Issued Patents All Time
Showing 1–24 of 24 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE37895 | Evaporative fuel-processing system for internal combustion engines | Shigetaka Kuroda, Kazutomo Sawamura, Masayoshi Yamanaka, Hiroshi Maruyama, Shoichi Nemoto +1 more | 2002-10-29 |
| 5513522 | Abnormality-detecting device for exhaust gas component concentration sensor of internal combustion engine | Yasunari Seki | 1996-05-07 |
| 5485596 | Abnormality diagnostic system for evaporative fuel-processing system of internal combustion engine for vehicles | Hisashi Igarashi, Hiroshi Maruyama, Masayoshi Yamanaka | 1996-01-16 |
| RE35054 | Tank internal pressure-detecting device for internal combustion engines | Masayoshi Yamanaka, Hiroshi Maruyama, Shigetaka Kuroda, Kazutomo Sawamura | 1995-10-10 |
| 5398662 | Evaporative fuel-processing system for internal combustion engines for vehicles | Hisashi Igarashi, Hiroshi Maruyama, Masayoshi Yamanaka | 1995-03-21 |
| 5396873 | Evaporative fuel-processing system for internal combustion engines | Masayoshi Yamanaka, Hiroshi Maruyama, Yasunari Seki, Kenichi Maeda, Kazutomo Sawamura | 1995-03-14 |
| 5388560 | Misfire-detecting system for internal combustion engines | Takashi Hisaki, Yuichi Shimasaki, Shigeki Baba, Masaki Kanehiro, Takuji Ishioka +4 more | 1995-02-14 |
| 5349299 | Fuel supply misfire-detecting system for internal combustion engines | Masaki Kanehiro, Yuichi Shimasaki, Takuji Ishioka, Shigeki Baba, Takashi Hisaki +4 more | 1994-09-20 |
| 5327867 | Misfire-detecting system for internal combustion engines | Takashi Hisaki, Yuichi Shimasaki, Shigeki Baba, Masaki Kanehiro, Takuji Ishioka +4 more | 1994-07-12 |
| 5327090 | Misfire-detecting system for an internal combustion engine which detects a misfire due to the fuel supply system | Yuuichi Shimasaki, Masaki Kanehiro, Takuji Ishioka, Takashi Hisaki, Shigeru Maruyama +2 more | 1994-07-05 |
| 5325664 | System for determining deterioration of catalysts of internal combustion engines | Yasunari Seki, Toshihiko Sato, Katuhiro Kumagai, Hiroshi Maruyama, Yoichi Iwata +8 more | 1994-07-05 |
| 5322045 | Misfire-detecting system for internal combustion engines | Takashi Hisaki, Yuichi Shimasaki, Shigeki Baba, Masaki Kanehiro, Shigeru Maruyama +4 more | 1994-06-21 |
| 5305724 | Evaporative fuel control unit for internal combustion engine | Shigetaka Kuroda, Kazutomo Sawamura, Toshihiko Sato, Takayoshi Nakayama | 1994-04-26 |
| 5299545 | Evaporative fuel-processing system for internal combustion engines | Shigetaka Kuroda, Kazutomo Sawamura, Masayoshi Yamanaka, Hiroshi Maruyama, Shoichi Nemoto +1 more | 1994-04-05 |
| 5287836 | Control system for internal combustion engines | Yuichi Shimasaki, Masaki Kanehiro, Takuji Ishioka, Shigeki Baba, Takashi Hisaki +4 more | 1994-02-22 |
| 5267547 | Tank internal pressure-detecting device for internal combustion engines | Masayoshi Yamanaka, Hiroshi Maruyama, Shigetaka Kuroda, Kazutomo Sawamura | 1993-12-07 |
| 5241937 | Misfire-detecting system for internal combustion engines | Masaki Kanehiro, Yuichi Shimasaki, Takuji Ishioka, Shigeki Baba, Takashi Hisaki +6 more | 1993-09-07 |
| 5237279 | Ignition and fuel system misfire-detecting system for internal combustion engines | Yuuichi Shimasaki, Takuji Ishioka, Shigetaka Kuroda, Hideaki Arai | 1993-08-17 |
| 5226394 | Misfire-detecting system for internal combustion engines | Yuuichi Shimasaki, Takuji Ishioka, Shigetaka Kuroda, Hideaki Arai, Masaki Kanehiro +2 more | 1993-07-13 |
| 5221904 | Misfire-detecting system for internal combustion engines | Yuuichi Shimasaki, Takuji Ishioka, Shigetaka Kuroda, Hideaki Arai | 1993-06-22 |
| 5215067 | Misfire-detecting system for internal combustion engines | Yuuichi Shimasaki, Masaki Kanehiro, Takuji Ishioka, Takashi Hisaki, Shigeru Maruyama +3 more | 1993-06-01 |
| 5131370 | Ignition timing control system for internal combustion engine | Masaki Kanehiro | 1992-07-21 |
| 4729361 | Fuel supply control method for internal combustion engines, with adaptability to various engines and controls therefor having different operating characteristics | Yutaka Otobe | 1988-03-08 |
| 4700675 | Method of controlling fuel supply for internal combustion engine at idle | Yutaka Otobe, Akira Kato | 1987-10-20 |