Issued Patents All Time
Showing 1–23 of 23 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6068746 | Oxygen sensor having a solid electrolyte applicable to an internal combustion engine | Takashi Kojima, Tomoyuki Kato, Masahiro Hamaya, Minoru Ota | 2000-05-30 |
| 6036829 | Oxygen sensor | Hirokazu Yamada, Takashi Kojima, Masahiro Hamaya, Minoru Ota | 2000-03-14 |
| 5969229 | Lead wire for sensor | Toshimi Miyamoto, Kenji Fukaya, Masahiro Hamaya, Minoru Ota, Naoto Miwa | 1999-10-19 |
| 5950112 | Satelite broadcast tuner capable of processing both QPSK modulation signal and FM signal | Kazuo Kitaura | 1999-09-07 |
| 5874663 | Waterproof structure for an air-fuel ratio sensor | Kenji Fukaya, Masahiro Hamaya, Masatoshi Suzuki | 1999-02-23 |
| 5859361 | Air fuel ratio sensor and a method for making the same | Kenji Fukaya, Masato Yamamoto, Masahiro Hamaya, Minoru Ohta | 1999-01-12 |
| 5800689 | Oxygen concentration detector | Toshimi Miyamoto, Kenji Fukaya, Masahiro Hamaya, Minoru Ohta, Naoto Miwa | 1998-09-01 |
| 5762771 | Air-fuel ratio sensor | Hirokazu Yamada, Takashi Kojima, Toshimi Miyamoto, Koji Shiozawa, Masahiro Hamaya +1 more | 1998-06-09 |
| 5627540 | Remote control system having full-function and abbreviated-function remote control units | Takashi Deguchi, Morihiro Nakayama, Hiroyuki Unida | 1997-05-06 |
| 5614582 | Resinous compositions for a water paint | Reijiro Nishida, Yasuo Takaya, Yasuharu Nakayama, Masami Sugishima | 1997-03-25 |
| 5573650 | Gas sensor | Kenji Fukaya, Masatoshi Suzuki, Masahiro Hamaya | 1996-11-12 |
| 5556526 | Gas sensor having enhanced external connectivity characteristics | Kenji Fukaya, Masahiro Hamaya, Minoru Ota, Syuichi Nakano, Tomoji Fukaya | 1996-09-17 |
| 5545377 | Catalyst degradation detecting apparatus | Kenji Fukaya, Kazuo Hayashi, Masahiro Hamaya, Minoru Ohta | 1996-08-13 |
| 5461382 | Remote control system having full-function and abbreviated-function remote control units | Takashi Deguchi, Morihiro Nakayama, Hiroyuki Unida | 1995-10-24 |
| 5439865 | Catalyst for exhaust gas purification and process for production thereof | Fumio Abe, Naomi Noda, Toshimi Fukui | 1995-08-08 |
| 5023939 | FM tuner with band extraction and optimization of a PLL FM demodulator | — | 1991-06-11 |
| 4834052 | Internal combustion engine having air/fuel mixture with anti-reducing semiconducting porcelain having a positive temperature coefficient of resistance and method for using such porcelain for heating air/fuel mixture | Hitoshi Niwa, Hirokatsu Mukai, Toshiatsu Nagaya, Naoto Miwa, Itsuhei Ogata | 1989-05-30 |
| 4831432 | Positive ceramic semiconductor device | Itsuhei Ogata, Hitoshi Niwa, Naoto Miwa | 1989-05-16 |
| 4716279 | Self-temperature controlling type heating device | Toshiatsu Nagaya, Hirokatsu Mukai, Hitoshi Niwa, Naoto Miwa | 1987-12-29 |
| 4685437 | Intake air heater for internal combustion engine with perforated plate heater element partially traversing air passage | Toshiaki Tanaka, Hitoshi Niwa, Hirokatsu Mukai, Naoto Miwa, Akio Nara +3 more | 1987-08-11 |
| 4667644 | Intake air heating apparatus | Etsuji Nomura, Hitoshi Niwa, Hirokatsu Mukai, Toshiaki Tanaka | 1987-05-26 |
| 4658892 | Heat-transfer tubes with grooved inner surface | Yoshihiro Shinohara, Kiyoshi Oizumi, Yasuhiko Itoh | 1987-04-21 |
| 4184971 | Ferromagneticpiezoelectric ceramic composition | Yoichi Tanaka, Masamichi Tsuruta, Koji Takahashi, Tsutomu Hasegawa | 1980-01-22 |