TS

Takao Sasayama

HI Hitachi: 49 patents #305 of 28,497Top 2%
HC Hitachi Automotive Engineering Co.: 3 patents #60 of 314Top 20%
📍 Hitachi, NY: #2 of 3 inventorsTop 70%
Overall (All Time): #56,939 of 4,157,543Top 2%
49
Patents All Time

Issued Patents All Time

Showing 1–25 of 49 patents

Patent #TitleCo-InventorsDate
5831263 In-cylinder pressure sensing apparatus for multi-cylinder engine Masahiro Komachiya, Shigeru Oho, Satoshi Shimada, Seiko Suzuki, Masahiro Kurita +1 more 1998-11-03
5745611 Optical fiber pressure sensor Masahiro Komachiya, Shigeru Oho, Satoshi Shimada, Takayuki Fumino, Tatsunori Sakaguchi 1998-04-28
5693936 Physical quantity detecting apparatus and internal combustion engine control apparatus each utilizing optical fiber Masahiro Komachiya, Shigeru Oho, Satoshi Shimada, Seiko Suzuki, Minoru Takahashi +1 more 1997-12-02
5692474 Engine combustion control apparatus Teruo Yamauchi, Sadayasu Ueno 1997-12-02
5676851 Method of making a capacitance type acceleration sensor Masayoshi Suzuki, Keizi Hanzawa, Norio Ichikawa, Junichi Horie, Yukiko Sugisawa +1 more 1997-10-14
5659254 Capacitance type sensor device Masahiro Matsumoto, Seiko Suzuki, Masayuki Miki, Masayoshi Suzuki, Keiji Hanzawa 1997-08-19
5616844 Capacitance type acceleration sensor Masayoshi Suzuki, Keizi Hanzawa, Norio Ichikawa, Junichi Horie, Yukiko Sugisawa +1 more 1997-04-01
5600268 Gate circuit of combined field-effect and bipolar transistors Ikuro Masuda, Kazuo Kato, Yoji Nishio, Shigeo Kuboki, Masahiro Iwamura 1997-02-04
5323635 Air fuel ratio detecting arrangement and method therefor for an internal combustion engine Sadayasu Ueno, Seiko Suzuki, Kanemasa Sato, Shiro Ouchi, Naoki Minami +1 more 1994-06-28
5239212 Gate circuit of combined field-effect and bipolar transistors with an improved discharge arrangement Ikuro Masuda, Kazuo Kato, Yoji Nishio, Shigeo Kuboki, Masahiro Iwamura 1993-08-24
5001366 Gate circuit of combined field-effect and bipolar transistors Ikuro Masuda, Kazuo Kato, Yoji Nishio, Shigeo Kuboki 1991-03-19
4900425 Oxygen sensor Seikoh Suzuki, Toshitaka Suzuki, Masayuki Miki, Sadayasu Ueno 1990-02-13
4890017 CMOS-BiCMOS gate circuit Ikuro Masuda, Kazuo Kato, Yoji Nishio, Shigeo Kuboki, Masahiro Iwamura 1989-12-26
4882030 Air-fuel ratio detection system for engine exhaust gas Seikoo Suzuki, Masayuki Miki, Minoru Osuga, Yoshishige Oyama 1989-11-21
4837698 Method of controlling air-fuel ratio Matsuo Amano, Masami Shida, Masahide Sakamoto, Takeshi Hirayama 1989-06-06
4829201 Gate circuit of combined field-effect and bipolar transistors Ikuro Masuda, Kazuo Kato, Yoji Nishio, Shigeo Kuboki, Masahiro Iwamura 1989-05-09
4781059 Method and apparatus for detecting combustion pressure in engine Seikoo Suzuki, Masayuki Miki, Matsuo Amano 1988-11-01
4719373 Gate circuit of combined field-effect and bipolar transistors Ikuro Masuda, Kazuo Kato, Yoji Nishio, Shigeo Kuboki, Masahiro Iwamura 1988-01-12
4718999 Air-fuel ratio detector Seiko Suzuki, Masayuki Miki, Toshitaka Suzuki, Nobuo Sato, Sadayasu Ueno +1 more 1988-01-12
4708480 Solid-state optical interferometer Shigeru Oho, Atsushi Kanke, Takanori Shibata, Akira Endo 1987-11-24
4703430 Method controlling air-fuel ratio Matsuo Amano, Masami Shida, Masahide Sakamoto, Takeshi Hirayama 1987-10-27
4664773 Air-to-fuel ratio sensor for an automobile Seiko Suzuki, Masayuki Miki 1987-05-12
4630206 Method of fuel injection into engine Matsuo Amamo 1986-12-16
4604899 Semiconductor-type pressure transducer Kazuji Yamada, Hideo Sato, Kanji Kawakami, Kazuo Kato 1986-08-12
4604535 FET-bipolar switching device and circuit Kazuo Kato, Masayoshi Naito 1986-08-05