JH

Junichiro HAYAKAWA

FI Fujifilm Business Innovation: 26 patents #134 of 1,659Top 9%
TT Tokyo Institute Of Technology: 1 patents #411 of 1,159Top 40%
Overall (All Time): #151,207 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 1–25 of 26 patents

Patent #TitleCo-InventorsDate
12418161 Light emitting apparatus and information processing apparatus Takashi Kondo, Takafumi Higuchi 2025-09-16
12132295 Light-emitting device, optical device, measuring device, and information processing device Takashi Kondo, Satoshi Inada, Takeshi MINAMIRU, Takafumi Higuchi 2024-10-29
12119417 Optical semiconductor element, optical semiconductor device, optical transmission system, and method of manufacturing optical semiconductor device Satoshi Inada, Kenichi Ono, Takeshi MINAMIRU, Akemi Murakami, Tsutomu Otsuka 2024-10-15
11789147 Semiconductor optical amplifier, optical output device, and distance measuring device Daiki Tominaga, Akemi Murakami, Fumio Koyama 2023-10-17
11658464 Semiconductor optical amplifier Daiki Tominaga, Akemi Murakami 2023-05-23
11444436 Semiconductor optical amplifier, semiconductor optical amplification device, optical output device, and distance measuring device Daiki Tominaga, Akemi Murakami, Fumio Koyama 2022-09-13
11431153 Semiconductor optical amplifier, light output apparatus, and distance measuring apparatus Akemi Murakami 2022-08-30
11362135 Light emitting element array and optical transmission device Akemi Murakami, Hideo Nakayama, Tsutomu Otsuka 2022-06-14
10484087 Optical transmission device Akemi Murakami, Hideo Nakayama, Tsutomu Otsuka 2019-11-19
10477732 Light irradiation device, light irradiation system, and image forming apparatus Michiaki Murata, Akira Sakamoto, Atsuyuki Kitamura, Hiroyuki Tsukuni, Akira Mihara +2 more 2019-11-12
10438993 Light emitting element array and optical transmission device Akemi Murakami, Hideo Nakayama, Tsutomu Otsuka 2019-10-08
10431722 Light emitting element, light emitting element array, and light transmission device Akemi Murakami, Takashi Kondo, Naoki Jogan, Jun Sakurai 2019-10-01
10348059 Light emitting element array and optical transmission device Akemi Murakami, Takashi Kondo, Naoki Jogan, Jun Sakurai 2019-07-09
10193010 Light emitting element Naoki Jogan, Jun Sakurai, Akemi Murakami, Takashi Kondo 2019-01-29
10178736 Light emitting apparatus and optical transmitting apparatus Takashi Kondo, Naoki Jogan, Akemi Murakami, Jun Sakurai 2019-01-08
10177532 Light emitting element array and optical transmission device Akemi Murakami, Hideo Nakayama, Tsutomu Otsuka 2019-01-08
10095152 Light emitting element array, optical device, and image forming apparatus Takashi Kondo, Naoki Jogan, Akemi Murakami, Jun Sakurai 2018-10-09
10033157 Surface-emitting semiconductor laser, method for producing the same, surface-emitting semiconductor laser device, optical transmission device, and information processing device Kazutaka TAKEDA, Akemi Murakami, Naoki Jogan, Takashi Kondo, Jun Sakurai 2018-07-24
9787062 Vertical cavity surface emitting laser array and method for manufacturing vertical cavity surface emitting laser array Takashi Kondo, Akemi Murakami, Naoki Jogan, Jun Sakurai 2017-10-10
9762030 Method of manufacturing surface-emitting semiconductor laser element Akemi Murakami, Takashi Kondo, Naoki Jogan, Jun Sakurai 2017-09-12
9653883 Surface emitting semiconductor laser device Akemi Murakami, Takashi Kondo, Kazutaka TAKEDA, Naoki Jogan, Jun Sakurai 2017-05-16
9640944 Method of manufacturing optical semiconductor element Naoki Jogan, Jun Sakurai, Akemi Murakami, Takashi Kondo, Kazutaka TAKEDA 2017-05-02
9502863 Surface-emitting semiconductor laser, surface-emitting semiconductor laser device, optical transmission device, and information processing device Akemi Murakami, Takashi Kondo, Kazutaka TAKEDA, Naoki Jogan, Jun Sakurai 2016-11-22
9466945 Surface-emitting semiconductor laser device and method for producing the same Naoki Jogan, Jun Sakurai, Akemi Murakami, Takashi Kondo, Kazutaka TAKEDA 2016-10-11
9444223 Surface-emitting semiconductor laser device and method for producing the same Masaya Kumei, Akemi Murakami, Takashi Kondo, Kazutaka TAKEDA, Jun Sakurai 2016-09-13