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1. 发明授权

US09935420B2 Laser device, ignition system, and internal combustion engine 有权
公开(公告)号：US09935420B2
公开(公告)日：2018-04-03
申请号：US14869336
申请日：2015-09-29
申请人： Kazuma Izumiya , Tsuyoshi Suzudo , Naoto Jikutani , Yasuhiro Higashi , Kentaroh Hagita , Masayuki Numata , Nobuyuki Arai
发明人： Kazuma Izumiya , Tsuyoshi Suzudo , Naoto Jikutani , Yasuhiro Higashi , Kentaroh Hagita , Masayuki Numata , Nobuyuki Arai
IPC分类号： H01S3/113 , H01S3/16 , H01S3/067 , H01S5/183 , H01S5/00 , G02B27/09 , F02P23/04 , H01S3/094 , H01S5/022 , H01S5/42 , H01S3/06 , H01S3/0941
CPC分类号： H01S3/113 , F02P23/04 , G02B27/0955 , H01S3/0612 , H01S3/0627 , H01S3/06708 , H01S3/094049 , H01S3/094053 , H01S3/09415 , H01S3/1611 , H01S3/1643 , H01S5/005 , H01S5/02284 , H01S5/183 , H01S5/423
摘要： A laser device is provided including a surface emitting laser array configured to emit light, an optical system disposed in an optical path of light that is emitted from the surface emitting laser, a laser resonator which the light passed through the optical system enters, where the optical system includes a first optical element configured to collimate the light emitted from the surface emitting laser, and a second optical element configured to collect and condense the light collimated by the first optical element.

2. 发明授权

US10626842B2 Laser device, ignition device, and internal combustion engine 有权
公开(公告)号：US10626842B2
公开(公告)日：2020-04-21
申请号：US15988166
申请日：2018-05-24
申请人： Toshiyuki Ikeoh , Kentaroh Hagita , Naoto Jikutani , Yasuhiro Higashi , Kazuma Izumiya
发明人： Toshiyuki Ikeoh , Kentaroh Hagita , Naoto Jikutani , Yasuhiro Higashi , Kazuma Izumiya
IPC分类号： F02P23/04 , H01S3/00 , H01S5/42 , H01S3/113 , H01S3/0941 , G02B27/09 , H01S3/094 , H01S3/117 , H01S3/16 , H01S3/06 , H01S3/08
CPC分类号： F02P23/04 , G02B27/09 , H01S3/00 , H01S3/0941 , H01S3/094003 , H01S3/113 , H01S3/117 , H01S3/1611 , H01S3/1623 , H01S5/42 , H01S3/0602 , H01S3/08 , H01S2303/00
摘要： A laser device includes a light source device including a semiconductor laser; and a laser cavity irradiated with light from the light source device and including a saturable absorber. A beam waist diameter r of the light that irradiates the laser cavity and an initial transmittance T0 of the saturable absorber satisfy a relationship of 7.75×T04−7.77×T03+3.13×T02+0.16×T0+0.74≤r≤2.62×T0+0.675.

3. 发明授权

US10498108B2 Surface-emitting laser array, laser apparatus, ignition device and internal combustion engine 有权
公开(公告)号：US10498108B2
公开(公告)日：2019-12-03
申请号：US15551955
申请日：2016-03-08
申请人： Kazuma Izumiya , Naoto Jikutani , Masayuki Numata
发明人： Kazuma Izumiya , Naoto Jikutani , Masayuki Numata
IPC分类号： H01S5/00 , H01S5/42 , F02P23/04 , H01S3/00 , H01S3/06 , H01S3/0941 , H01S3/11 , H01S3/16 , H01S5/026 , H01S5/042 , H01S5/183 , H01S5/22 , H01S5/343
CPC分类号： H01S5/423 , F02P23/04 , H01S3/005 , H01S3/061 , H01S3/09415 , H01S3/11 , H01S3/1115 , H01S3/1611 , H01S3/1643 , H01S5/026 , H01S5/0425 , H01S5/18361 , H01S5/22 , H01S5/18313 , H01S5/3432 , H01S5/34353
摘要： A surface-emitting laser array includes a plurality of light emitting parts. Each light emitting part includes a reflection mirror including aluminum gallium arsenide (AlxGa(1-x)As) where x is greater than 0.95 but less than or equal to 1; an active layer; and an electrode surrounding an emission region, from which laser light is emitted, the electrode covering a region between adjacent light emitting parts in the plurality of light emitting parts.

4. 发明公开

US20240177380A1 INFORMATION ANALYSIS SYSTEM, INFORMATION ANALYSIS METHOD, AND NON-TRANSITORY RECORDING MEDIUM 审中-公开
公开(公告)号：US20240177380A1
公开(公告)日：2024-05-30
申请号：US18511177
申请日：2023-11-16
申请人： Kentaroh Hagita , Takuya Nagano , Yuuki Suzuki , Ryo Saito , Takashi Otsuki , Shigeru Ouchida , Kazuma Izumiya
发明人： Kentaroh Hagita , Takuya Nagano , Yuuki Suzuki , Ryo Saito , Takashi Otsuki , Shigeru Ouchida , Kazuma Izumiya
IPC分类号： G06T11/20 , G06T11/60 , G06V40/16 , G10L15/08 , H04N7/15
CPC分类号： G06T11/206 , G06T11/60 , G06V40/174 , G10L15/08 , H04N7/15
摘要： An information analysis system includes a communication terminal including first circuitry and an information analysis apparatus including second circuitry. The first circuitry acquires image information and voice information of a plurality of participants participating in an online event and transmits, to the information analysis apparatus, the image information and the voice information. The second circuitry performs analysis on a state of the plurality of participants based on the image information and the voice information transmitted from the communication terminal, and generates, based on the state of the plurality of participants, a state notification to be displayed on the communication terminal.

5. 发明授权

US12046872B2 Surface emitting laser, surface emitting laser device, light source device, and detection apparatus 有权
公开(公告)号：US12046872B2
公开(公告)日：2024-07-23
申请号：US17100951
申请日：2020-11-23
申请人： Kazuma Izumiya , Naoto Jikutani , Kazuhiro Harasaka , Ryoichiro Suzuki
发明人： Kazuma Izumiya , Naoto Jikutani , Kazuhiro Harasaka , Ryoichiro Suzuki
IPC分类号： H01S5/183 , G01S7/481 , H01S5/0234 , H01S5/042
CPC分类号： H01S5/18361 , H01S5/0234 , H01S5/18305 , H01S5/18311 , H01S5/18327 , G01S7/4814 , H01S5/04252 , H01S2304/04
摘要： A surface emitting laser includes a first reflecting mirror; a second reflecting mirror; an active region between the first reflecting mirror and the second reflecting mirror. The first reflecting mirror and the second reflecting mirror each include a plurality of low refractive-index layers having a first refractive index; and a plurality of high refractive-index layers having a second refractive index higher than the first refractive index. The plurality of low refractive-index layers and the plurality of high refractive-index layers are alternated one after another. The plurality of high refractive-index layers of the first reflecting mirror includes a first layer; and a second layer having a higher thermal diffusion property in an in-plane direction than the first layer.

6. 发明申请

US20190250270A1 DISTANCE MEASURING APPARATUS AND MOBILE BODY INCLUDING THE SAME 审中-公开
公开(公告)号：US20190250270A1
公开(公告)日：2019-08-15
申请号：US16270639
申请日：2019-02-08
申请人： Shuichi SUZUKI , Nobunari Tsukamoto , Tsuyoshi Ueno , Tadashi Nakamura , Naoto Jikutani , Kazuma Izumiya , Atsushi Sakai , Masayuki Yanagihashi , Yasufumi Yamada
发明人： Shuichi SUZUKI , Nobunari Tsukamoto , Tsuyoshi Ueno , Tadashi Nakamura , Naoto Jikutani , Kazuma Izumiya , Atsushi Sakai , Masayuki Yanagihashi , Yasufumi Yamada
IPC分类号： G01S17/10 , G01S7/481 , G01S7/484
CPC分类号： G01S17/10 , G01S7/4817 , G01S7/484 , G02B5/30 , G02B26/0858 , G02B26/105 , G02B26/12
摘要： A distance measuring apparatus includes a light source to emit light beams, an optical scanner to scan the light beams output from the light source over a predetermined range, a light receiver to receive reflected light obtained as a result of the light beams being reflected by a target object, and to output detection signals, and a control circuit to measure a distance to the target object based on the detection signals. The light source including a plurality of light-emitting device groups that are arranged in a scan direction of a scan performed by the optical scanner, and the control circuit being to make the plurality of light-emitting device groups emit light at respective different timings in a single scan, and to measure the distance to the target object based on a sum of the detection signals.

7. 发明授权

US10054870B2 Surface-emitting laser, surface-emitting laser array, laser device, ignitor, internal combustion engine, optical scanner, image forming apparatus, light transmission module, and light emission system 有权
公开(公告)号：US10054870B2
公开(公告)日：2018-08-21
申请号：US15364445
申请日：2016-11-30
申请人： Shinichi Harada , Naoto Jikutani , Kazuma Izumiya , Yusuke Okura
发明人： Shinichi Harada , Naoto Jikutani , Kazuma Izumiya , Yusuke Okura
IPC分类号： H01S5/183 , G03G15/04 , H01S5/343 , H01S5/42 , G02B19/00 , H04N1/028 , H04N1/06 , F02P23/04
CPC分类号： G03G15/04 , F02P23/04 , G02B19/0057 , H01S3/0627 , H01S3/094053 , H01S3/09415 , H01S3/113 , H01S5/02272 , H01S5/02276 , H01S5/18311 , H01S5/18313 , H01S5/18322 , H01S5/18358 , H01S5/18377 , H01S5/3202 , H01S5/34313 , H01S5/423 , H04N1/0283 , H04N1/0284 , H04N1/06
摘要： A surface-emitting laser includes an active layer on which a spacer layer is disposed, and a reflection mirror disposed on the spacer layer, including a current constriction layer that is a selectively-oxidized layer having been selectively oxidized. The current constriction layer is disposed at a position of a node of a standing-wave of an electric field of light oscillated at the active layer and is disposed away from an interface between the spacer layer and the reflection mirror by an optical distance of one-fourth of an oscillation wavelength at the active layer. The selectively-oxidized layer is made of AlGaAs. The reflection mirror includes at least one AlGaInP layer contacting the selectively-oxidized layer.

8. 发明申请

US20130208067A1 SURFACE EMITTING LASER ARRAY AND IMAGE FORMING APPARATUS 有权
标题翻译：表面发射激光阵列和图像形成装置
公开(公告)号：US20130208067A1
公开(公告)日：2013-08-15
申请号：US13724191
申请日：2012-12-21
申请人： Kazuma Izumiya , Kazuhiro Harasaka
发明人： Kazuma Izumiya , Kazuhiro Harasaka
IPC分类号： B41J2/385 , H01S5/00
CPC分类号： G03G15/04072 , B82Y20/00 , G03G2215/0132 , H01S5/0425 , H01S5/18355 , H01S5/18391 , H01S5/3202 , H01S5/3434 , H01S5/42 , H01S5/423 , H01S2301/14
摘要： A surface emitting laser array includes a light emitting unit having a lower reflection mirror, a resonator structure including an active layer, and an upper reflection mirror laminated on a substrate; an electrode for the light emitting unit; a wiring member that establishes electrical connection between the light emitting unit and the electrode; and the substrate on which more than one of the light emitting units, the electrodes, and the wiring members are arranged. The light emitting unit has anisotropic internal stress, and the distance between the center of a first light emitting unit and the center line of the corresponding wiring member is arranged to be different from the distance between the center of a second light emitting unit and the center line of the corresponding wiring member so that variations in the polarization directions of the light emitting units may be within a predetermined range.
摘要翻译：表面发射激光器阵列包括具有下反射镜的发光单元，包括有源层的谐振器结构和层叠在基板上的上反射镜; 用于发光单元的电极; 布线构件，其在所述发光单元和所述电极之间建立电连接; 以及布置有多于一个的发光单元，电极和布线构件的基板。发光单元具有各向异性的内部应力，并且第一发光单元的中心与对应的布线构件的中心线之间的距离被布置成不同于第二发光单元的中心与中心之间的距离使得发光单元的偏振方向的变化可以在预定范围内。

9. 发明授权

US09046808B2 Surface emitting laser array and image forming apparatus 有权
标题翻译：表面发射激光阵列和成像装置
公开(公告)号：US09046808B2
公开(公告)日：2015-06-02
申请号：US13724191
申请日：2012-12-21
申请人： Kazuma Izumiya , Kazuhiro Harasaka
发明人： Kazuma Izumiya , Kazuhiro Harasaka
IPC分类号： H01S3/10 , H01S3/13 , B41J2/435 , B41J2/455 , G03G15/04 , H01S5/42 , B82Y20/00 , H01S5/042 , H01S5/183 , H01S5/32 , H01S5/343
CPC分类号： G03G15/04072 , B82Y20/00 , G03G2215/0132 , H01S5/0425 , H01S5/18355 , H01S5/18391 , H01S5/3202 , H01S5/3434 , H01S5/42 , H01S5/423 , H01S2301/14
摘要： A surface emitting laser array includes a light emitting unit having a lower reflection mirror, a resonator structure including an active layer, and an upper reflection mirror laminated on a substrate; an electrode for the light emitting unit; a wiring member that establishes electrical connection between the light emitting unit and the electrode; and the substrate on which more than one of the light emitting units, the electrodes, and the wiring members are arranged. The light emitting unit has anisotropic internal stress, and the distance between the center of a first light emitting unit and the center line of the corresponding wiring member is arranged to be different from the distance between the center of a second light emitting unit and the center line of the corresponding wiring member so that variations in the polarization directions of the light emitting units may be within a predetermined range.
摘要翻译：表面发射激光器阵列包括具有下反射镜的发光单元，包括有源层的谐振器结构和层叠在基板上的上反射镜; 用于发光单元的电极; 布线构件，其在所述发光单元和所述电极之间建立电连接; 以及布置有多于一个的发光单元，电极和布线构件的基板。发光单元具有各向异性的内部应力，并且第一发光单元的中心与对应的布线构件的中心线之间的距离被布置成不同于第二发光单元的中心与中心之间的距离使得发光单元的偏振方向的变化可以在预定范围内。

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