Issued Patents All Time
Showing 51–70 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5418461 | Device for detecting abnormality of spark plugs for internal combustion engines and a misfire-detecting system incorporating the same | Kenichi Maeda, Yuichi Shimasaki, Eitetsu Akiyama, Takashi Hisaki, Shigeru Maruyama +2 more | 1995-05-23 |
| 5415035 | Combustion state-detecting system for internal combustion engines | Yuichi Shimasaki, Kenichi Maeda, Shigetaka Kuroda | 1995-05-16 |
| 5396873 | Evaporative fuel-processing system for internal combustion engines | Masayoshi Yamanaka, Hiroshi Maruyama, Masataka Chikamatsu, Yasunari Seki, Kenichi Maeda | 1995-03-14 |
| 5390537 | Combustion state-detecting system for internal combustion engines | Shigetaka Kuroda, Kenichi Maeda, Hiroshi Maruyama | 1995-02-21 |
| 5379634 | Misfire-detecting system for internal combustion engines | Shigetaka Kuroda, Yuuichi Shimasaki, Masaki Kanehiro, Takuji Ishioka, Shigeru Maruyama +2 more | 1995-01-10 |
| 5375462 | Misfire detecting system for internal combustion engine | Shigetaka Kuroda, Shukoh Terata, Masaki Kanehiro, Takuji Ishioka, Kenichi Maeda | 1994-12-27 |
| 5373823 | Failure-detecting device and fail-safe device for tank internal pressure sensor of internal combustion engine | Shigetaka Kuroda, Masayoshi Yamanaka, Hiroshi Maruyama | 1994-12-20 |
| 5373732 | Combustion state-detecting system for internal combustion engines | Shigetaka Kuroda, Kenichi Maeda, Yuichi Shimasaki | 1994-12-20 |
| 5365905 | Misfire-detecting system for internal combustion engines | Masaki Kanehiro, Yuichi Shimasaki, Takuji Ishioka, Shigeru Maruyama, Shigeki Baba +4 more | 1994-11-22 |
| 5357789 | Misfire detection system for internal combustion engine | Shigetaka Kuroda, Hiroshi Maruyama, Masayoshi Yamanaka | 1994-10-25 |
| 5355863 | Evaporative fuel-processing system for internal combustion engines | Masayoshi Yamanaka, Hiroshi Maruyama, Takeshi Suzuki, Shigetaka Kuroda | 1994-10-18 |
| 5355864 | Evaporative fuel-processing system for internal combustion engines | Shigetaka Kuroda, Hiroshi Maruyama, Masayoshi Yamanaka, Yoichi Iwata, Tsuyoshi Takizawa | 1994-10-18 |
| 5353769 | Fuel supply control system for internal combustion engines | Kenichi Maeda, Yuichi Shimasaki, Eitetsu Akiyama, Takashi Hisaki, Shigeru Maruyama +2 more | 1994-10-11 |
| 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 |
| 5305724 | Evaporative fuel control unit for internal combustion engine | Masataka Chikamatsu, Shigetaka Kuroda, Toshihiko Sato, Takayoshi Nakayama | 1994-04-26 |
| 5299545 | Evaporative fuel-processing system for internal combustion engines | Shigetaka Kuroda, Masayoshi Yamanaka, Hiroshi Maruyama, Masataka Chikamatsu, Shoichi Nemoto +1 more | 1994-04-05 |
| 5269277 | Failure-detecting device and fail-safe device for tank internal pressure sensor of internal combustion engines | Shigetaka Kuroda, Masayoshi Yamanaka, Hiroshi Maruyama | 1993-12-14 |
| 5267547 | Tank internal pressure-detecting device for internal combustion engines | Masataka Chikamatsu, Masayoshi Yamanaka, Hiroshi Maruyama, Shigetaka Kuroda | 1993-12-07 |
| 5251592 | Abnormality detection system for evaporative fuel control systems of internal combustion engines | Yasunari Seki, Shigetaka Kuroda, Masatoshi Udagawa, Youichi Iwata, Takushi Toda | 1993-10-12 |
| 5241937 | Misfire-detecting system for internal combustion engines | Masaki Kanehiro, Yuichi Shimasaki, Takuji Ishioka, Shigeki Baba, Takashi Hisaki +6 more | 1993-09-07 |