NA

Nobukatsu Arai

HI Hitachi: 25 patents #1,255 of 28,497Top 5%
HC Hitachi Automotive Engineering Co.: 5 patents #22 of 314Top 8%
HC Hitachi Car Engineering Co.: 5 patents #83 of 465Top 20%
Overall (All Time): #165,770 of 4,157,543Top 4%
25
Patents All Time

Issued Patents All Time

Showing 1–25 of 25 patents

Patent #TitleCo-InventorsDate
6615805 Electromagnetic fuel injector and control method thereof Makoto Yamakado, Yoshio Okamoto, Yuzo Kadomukai, Yoshiyuki Tanabe, Yasunaga Hamada +3 more 2003-09-09
6431155 Electromagnetic fuel injector and control method thereof Makoto Yamakado, Yoshio Okamoto, Yuzo Kadomukai, Yoshiyuki Tanabe, Yasunaga Hamada +3 more 2002-08-13
6189379 Thermal type air flow measuring instrument for internal combustion engine Shinya Igarashi, Chihiro Kobayashi, Hiroshi Hirayama, Takayuki Saito 2001-02-20
6129073 Electromagnetic fuel injector and control method thereof Makoto Yamakado, Yoshio Okamoto, Yuzo Kadomukai, Yoshiyuki Tanabe, Yasunaga Hamada +3 more 2000-10-10
6082341 Supercharger for engine Seiji Sakagami, Tsutomu Okazaki, Tetsuo Udagawa 2000-07-04
5992391 Electromagnetic fuel injector and control method thereof Makoto Yamakado, Yoshio Okamoto, Yuzo Kadomukai, Yoshiyuki Tanabe, Yasunaga Hamada +3 more 1999-11-30
5952571 Thermal type flow meter Takehiko Kowatari, Kaoru Uchiyama, Izumi Watanabe, Shinya Igarashi 1999-09-14
5939628 Thermal type air flow measuring instrument for internal combustion engine Shinya Igarashi, Chihiro Kobayashi, Hiroshi Hirayama, Takayuki Saito 1999-08-17
5832403 Air flow measuring apparatus and method thereof Takehiko Kowatari, Kaoru Uchiyama, Chihiro Kobayashi, Shinya Igarashi 1998-11-03
5789673 Thermal type air flow measuring instrument for internal combustion engine Shinya Igarashi, Chihiro Kobayashi, Hiroshi Hirayama, Takayuki Saito 1998-08-04
5750889 Air flow rate measuring apparatus and air flow rate measuring method Takehiko Kowatari, Chihiro Kobayashi 1998-05-12
5381691 Air flow meter Atsushi Miyazaki, Chihiro Kobayashi, Shinya Igarashi, Tetsuo Matsukura, Haruhiko Maeda +1 more 1995-01-17
RE34403 Hot-wire type air flow meter and an internal combustion engine with the same Yoshihito Sekine, Tadao Osawa, Hiroatsu Tokuda, Toshifumi Usui, Mitsukuni Tsutsui 1993-10-12
5243859 Thermo-type air flow meter Chihiro Kobayashi, Atsushi Miyazaki 1993-09-14
5231871 Hot-electrical-resistance type gas flow meter and internal combustion engine with hot-electrical-resistance type gas flow meter Kaoru Uchiyama, Toshifumi Usui, Shinya Igarashi 1993-08-03
5201216 Air flow meter for internal combustion engines and a manufacturing method thereof Atsushi Miyazaki, Chihiro Kobayashi, Yoshihito Sekine 1993-04-13
4991560 Hot-wire air flow meter and internal combustion engine provided with same Toshifumi Usui, Tetsuo Matsukura, Shinya Igarashi, Youichi Furuhashi 1991-02-12
4986115 Hot-wire air flow meter Yoshihito Sekine, Tadao Osawa, Hiroatsu Tokuda, Toshifumi Usui, Mitsukuni Tsutsui 1991-01-22
4974445 Hot wire type of air flow meter and internal combustion engine using the same Yoshihito Sekine, Tetsuo Matsukura, Mitsukuni Tsutsui, Hiroatsu Tokuda, Tadao Osawa +1 more 1990-12-04
4887577 Hot-wire type air flow meter and an internal combustion engine with the same Yoshihito Sekine, Tadao Osawa, Hiroatsu Tokuda, Toshifumi Usui, Mitsukuni Tsutsui 1989-12-19
4735550 Turbo molecular pump Takeshi Okawada, Shinjiro Ueda, Susumu Yamazaki, Masahiro Mase, Kazuaki Nakamori 1988-04-05
4522574 Balancing weight device for scroll-type fluid machine Naoki Maeda 1985-06-11
4496296 Device for pressing orbiting scroll member in scroll type fluid machine Shigeru Machida, Eiji Sato, Kenji Tojo, Naoshi Uchikawa 1985-01-29
4326391 Rankine-cycle-engine-driven cooling-and-heating system Eiji Sato, Hideki Tanaka, Toshihiko Fukushima, Tadakatsu Nakajima 1982-04-27
4216661 Scroll compressor with means for end plate bias and cooled gas return to sealed compressor spaces Kenji Tojo, Hirokatu Kousokabe, Eiji Sato 1980-08-12