Issued Patents All Time
Showing 401–425 of 427 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4598203 | Multielement radiation detector | Keiji Umetani, Manabu Nakagawa, Minoru Yoshida, Fumio Kawaguchi, Hiromichi Yamada +1 more | 1986-07-01 |
| 4578996 | Gas-flow measuring apparatus and method | Tomoaki Abe | 1986-04-01 |
| 4571991 | Air flow measuring apparatus | Tomoaki Abe, Masumi Kinugawa | 1986-02-25 |
| 4566419 | Apparatus and method for controlling air-to-fuel ratio for an internal combustion engine | Masakazu Ninomiya, Hideya Fujisawa, Norio Omori | 1986-01-28 |
| 4550701 | Air-fuel ratio control in an internal combustion engine | Masakazu Ninomiya, Katsuya Maeda, Yutaka Kawashima | 1985-11-05 |
| 4538578 | Air-fuel ratio control for an internal combustion engine | Masakazu Ninomiya, Katuya Maeda | 1985-09-03 |
| 4503824 | Method and apparatus for controlling air-fuel ratio in an internal combustion engine | Masakazu Ninomiya, Yutaka Kawashima | 1985-03-12 |
| 4492869 | Radiation detector | Hiromichi Yamada, Yoko Uchida, Hideki Kohno, Minoru Yoshida | 1985-01-08 |
| 4479476 | Method and apparatus for optimum control of internal combustion engines | Masakazu Ninomiya | 1984-10-30 |
| 4467765 | Method and system for operating an engine at maximum torque with variable amount of dither | Masakazu Ninomiya, Hiroyasu Fukaya, Susumu Akiyama | 1984-08-28 |
| 4455981 | Method and system for control of air-fuel ratio | Yutaka Kawashima, Masakazu Ninomiya | 1984-06-26 |
| 4448171 | Method and apparatus for optimum control of internal combustion engines | Masakazu Ninomiya | 1984-05-15 |
| 4448162 | Optimum control for internal combustion engines | Masakazu Ninomiya | 1984-05-15 |
| 4442360 | Radiation detector | Hiromichi Yamada, Yoko Uchida, Hideki Kohno | 1984-04-10 |
| 4428342 | Method and system for operating an internal combustion engine at optimum torque | Norio Omori, Masakazu Ninomiya, Susumu Akiyama, Yuji Hirabayashi | 1984-01-31 |
| 4420444 | Process for forming phosphor powder layer | Hiromichi Yamada, Yoichi Oba, Yoko Uchida, Hideki Kohno, Tadashi Fukino +1 more | 1983-12-13 |
| 4403584 | Method and apparatus for optimum control for internal combustion engines | Masakazu Ninomiya | 1983-09-13 |
| 4403081 | Method for producing .alpha.-olefin polymers | Masato Harada, Akihiro Sato, Sadahiko Yamada, Kazutsune Kikuta, Hiroshi Shimizu +3 more | 1983-09-06 |
| 4389518 | Process for producing polyethylene | Masato Harada, Sadahiko Yamada, Jun Masuda | 1983-06-21 |
| 4379333 | Method and system for operating a power-producing machine at maximum torque under varying operating conditions | Masakazu Ninomiya, Yuji Hirabayashi | 1983-04-05 |
| 4340022 | Fuel injection device of an internal combustion engine | Masakazu Ninomiya, Hideo Kiuchi, Nobuyuki Kobayashi | 1982-07-20 |
| 4324875 | Method for producing olefin polymers | Masato Harada, Sadahiko Yamada, Jun Masuda | 1982-04-13 |
| 4317037 | Radiation detection apparatus | Koichi Urabe, Hiromichi Yamada, Hideki Kohno | 1982-02-23 |
| 4260723 | Method for producing olefin polymers | Masato Harada, Yoshikatsu Ishigaki, Sadahiko Yamada, Jun Masuda, Tadamitsu Hamazaki +2 more | 1981-04-07 |
| 4255157 | Thermogenic compositions | Denjirou Yamaguchi, Noboru Mogi, Toshio Seta, Kunizo Oishi, Yoshihisa Fuzimori | 1981-03-10 |