HK

Hiromitsu Kawamura

HI Hitachi: 17 patents #2,231 of 28,497Top 8%
SI Sumitomo Electric Device Innovations: 5 patents #24 of 208Top 15%
Fujitsu Limited: 2 patents #10,930 of 24,456Top 45%
FL Fujitsu Quantum Devices Limited: 2 patents #30 of 110Top 30%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
Overall (All Time): #143,844 of 4,157,543Top 4%
27
Patents All Time

Issued Patents All Time

Showing 25 most recent of 27 patents

Patent #TitleCo-InventorsDate
11984699 Optical semiconductor device and control method of the same 2024-05-14
10069276 Method to tune emission wavelength of wavelength tunable laser apparatus and laser apparatus Hirokazu Tanaka, Tetsufumi Odagawa, Masao Shibata 2018-09-04
9819147 Method to tune emission wavelength of wavelength tunable laser apparatus and laser apparatus Hirokazu Tanaka, Tetsufumi Odagawa, Masao Shibata 2017-11-14
9728937 Method of controlling wavelength tunable laser, control data structure of wavelength tunable laser, and wavelength tunable laser Hirokazu Tanaka, Masao Shibata, Mitsuyoshi Miyata 2017-08-08
9413138 Method of controlling wavelength tunable laser, control data structure of wavelength tunable laser, and wavelength tunable laser Hirokazu Tanaka, Masao Shibata, Mitsuyoshi Miyata 2016-08-09
6975031 Semiconductor device and chip carrier 2005-12-13
6882667 Optical semiconductor device and method for controlling the same Shinya Suzuki 2005-04-19
RE37183 Image display panel having antistatic film with transparent and electroconductive properties and process for processing same Takao Kawamura, Katsumi Kobara, Yoshishige Endo 2001-05-22
6140757 Color cathode-ray tube (CRT) and method of producing the same Katsumi Kobara, Takao Kawamura 2000-10-31
6044097 Modulator integrated distributed feed-back laser diode module and device using the same Kazuhiro Yamaji, Hisashi Hamaguchi, Haruhisa Soda, Kiyotsugu Kamite 2000-03-28
5880557 Transparent plate, process for the production thereof and their applied screen display plate, and cathode ray tube and process for the production thereof Yoshishige Endo, Masahiko Ono, Toshihiro Yamada, Takao Kawamura, Katsumi Kobara +1 more 1999-03-09
5742118 Ultrafine particle film, process for producing the same, transparent plate and image display plate Yoshishige Endo, Masahiko Ono, Katsumi Kobara, Yoshifumi Tomita, Masahiro Miyazaki +4 more 1998-04-21
5707685 Process for forming ultrafine particle film, transparent plate and image display plate Yoshishige Endou, Masahiko Ono, Masahiro Miyazaki, Katsumi Kobara, Toshihiro Yamada +2 more 1998-01-13
5665422 Process for formation of an ultra fine particle film Yoshishige Endo, Masahiko Ono, Katsumi Kobara 1997-09-09
5659736 Management information base and method in an OSI management system Ayumi Hasegawa 1997-08-19
5612128 Ultra fine particles having uneven surfaces and treatment plate using same Yoshishige Endo, Masahiko Ono, Toshihiro Yamada, Takao Kawamura, Katsumi Kobara +1 more 1997-03-18
5481559 Light modulator integrated light-emitting device and method of manufacturing the same 1996-01-02
5396148 Ultrafine particles, their production process and their use Yoshishige Endo, Takeshi Araya, Masahiko Ono, Takao Kawamura 1995-03-07
5291097 Cathode-ray tube Katsumi Kobara, Takao Kawamura, Kiyoshi Miura 1994-03-01
5189337 Ultrafine particles for use in a cathode ray tube or an image display face plate Yoshishige Endo, Takeshi Araya, Masahiko Ono, Takao Kawamura 1993-02-23
5122709 Antistatic cathode ray tube with lobe like projections and high gloss and hardness Takao Kawamura, Katsumi Kobara 1992-06-16
4945282 Image display panel having antistatic film with transparent and electroconductive properties and process for processing same Takao Kawamura, Katsumi Kobara, Yoshishige Endo 1990-07-31
4723091 Technique for preventing reflections in a cathode ray tube Akira Misumi, Masayoshi Ezawa, Katsumi Kobara, Yoshiyuki Odaka 1988-02-02
4278326 Liquid crystal display element Tokuyoshi Nakajima, Yoshimichi Shibuya, Hisao Yokokura 1981-07-14
4277275 Method for fabricating liquid crystal display element Tokuyoshi Nakajima, Yoshimichi Shibuya 1981-07-07