Issued Patents All Time
Showing 26–50 of 50 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5735119 | Exhaust purification device of an engine | Takamitsu Asanuma, Tetsuro Kihara, Satoshi Iguchi | 1998-04-07 |
| 5732554 | Exhaust gas purification device for an internal combustion engine | Shizuo Sasaki, Satoshi Iguchi | 1998-03-31 |
| 5715679 | Exhaust purification device of an engine | Takamitsu Asanuma, Tetsuro Kihara, Shinichi Takeshima, Toshiaki Tanaka, Satoshi Iguchi | 1998-02-10 |
| 5713199 | Device for detecting deterioration of NO.sub.x absorbent | Shinichi Takeshima, Tetsuro Kihara, Takamitsu Asanuma, Toshiaki Tanaka, Satoshi Iguchi | 1998-02-03 |
| 5648883 | Disc drive having positional shift adjustment | Hiroshi Sampei, Kouichi Hosoya, Masashi Sato, Mitsutoshi Ohizumi, Koichi Seno +4 more | 1997-07-15 |
| 5577382 | Exhaust purification device of internal combustion engine | Tetsuro Kihara, Takamitsu Asanuma, Satoshi Iguchi | 1996-11-26 |
| 5483795 | Exhaust purification device of internal combustion engine | Tokuta Inoue, Hidetaka Nohira, Kiyoshi Nakanishi, Satoshi Iguchi, Tetsuro Kihara +9 more | 1996-01-16 |
| 5473890 | Exhaust purification device of internal combustion engine | Shinichi Takeshima, Satomi Seto, Toshiaki Tanaka, Satoshi Iguchi, Kiyoshi Nakanishi | 1995-12-12 |
| 5472673 | Exhaust gas purification device for an engine | Masato Goto, Satoshi Iguchi, Tetsuro Kihara | 1995-12-05 |
| 5450722 | Exhaust purification device of internal combustion engine | Shinichi Takeshima, Toshiaki Tanaka, Satoshi Iguchi, Tetsuro Kihara | 1995-09-19 |
| 5423181 | Exhaust gas purification device of an engine | Satoshi Iguchi, Tetsuro Kihara, Masato Gotoh, Shinichi Takeshima, Takamitsu Asanuma +1 more | 1995-06-13 |
| 5412945 | Exhaust purification device of an internal combustion engine | Tokuta Inoue, Hidetaka Nohira, Kiyoshi Nakanishi, Satoshi Iguchi, Tetsuro Kihara +1 more | 1995-05-09 |
| 5402641 | Exhaust gas purification apparatus for an internal combustion engine | Shinichi Takeshima, Toshiaki Tanaka, Satoshi Iguchi, Masato Goto, Tetsuro Kihara +2 more | 1995-04-04 |
| 5331809 | Exhaust gas purification system for an internal combustion engine | Sinichi Takeshima, Sinya Hirota | 1994-07-26 |
| 5313792 | Exhaust gas purification apparatus for an internal combustion engine | Satoshi Iguchi, Tetsuro Kihara | 1994-05-24 |
| 5294421 | Method for catalytically purifying exhaust gas | Hideaki Muraki, Tokuta Inoue, Kiyohiko Oishi | 1994-03-15 |
| 5201802 | Exhaust gas purification system for an internal combustion engine | Shinya Hirota | 1993-04-13 |
| 5155994 | Exhaust gas purification system for an internal combustion engine | Hideaki Muraki, Kiyohiko Oishi, Shinichi Takeshima | 1992-10-20 |
| 5085050 | Exhaust gas purification system for an internal combustion engine using alcohol blended gasoline for fuel | — | 1992-02-04 |
| 4834031 | Variable compression-ratio control device for an internal combustion engine | Takao Naruoka, Eiji Iwasaki | 1989-05-30 |
| 4656022 | Process for producing pitch carbon fibers | Seiichi Uemura, Takao Hirose, Yoshio Sohda, Takayoshi Sakamoto | 1987-04-07 |
| 4618463 | Process for producing pitch carbon fibers | Seiichi Uemura, Takao Hirose, Yoshio Shohda, Takayoshi Sakamoto | 1986-10-21 |
| 4608956 | Operating apparatus for lean burn internal combustion engine | Toshio Yamada, Kenichiro Shindo, Souichi Matsushita, Tokuta Inoue | 1986-09-02 |
| 4528961 | Method of and system for lean-controlling air-fuel ratio in electronically controlled engine | Yoshiki Chujo | 1985-07-16 |
| 4187811 | Exhaust gas recirculation system of an internal combustion engine | Tamotu Ogita | 1980-02-12 |