Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10648398 | Intake structure of internal combustion engine | Koichi Matsumoto, Shigeki Nabetani, Kazuaki Koyama, Yuya Okamoto | 2020-05-12 |
| 10465797 | Gasket | Kisho Yasuda, Hiroki Imada, Masayuki Yano, Kunitoshi Kajiwara | 2019-11-05 |
| 10227947 | Cylinder head for vehicle engine | Kazuaki Koyama, Yuya Okamoto, Norio Takayasu, Genki Takahashi | 2019-03-12 |
| 9109471 | Cam structure | Yusuke Kido, Toshihiko Oka, Shinichi Murata | 2015-08-18 |
| 8091525 | Rocker arm | Shizuo Ishikawa, Morihiro Yamamoto, Kenta Kotsuji | 2012-01-10 |
| 7918201 | Variable valve mechanism for engine | Yuichi Takahashi, Kenta Kotsuji, Yasunori Kutsuna, Akira Ohta, Satoru Ishii | 2011-04-05 |
| 7568515 | Structure of cylinder block being cast with cylinder liner, method of manufacturing cylinder block, and cylinder liner to be cast in the method of manufacturing cylinder block | Atsushi Tamaru | 2009-08-04 |
| 7273030 | Crankshaft support structure of internal combustion engine | Tsuyoshi Nishida, Satoshi Higashide, Shuhei Ishiyama, Kinichi Furukawa | 2007-09-25 |
| 6366739 | Equipment using solar battery | Takayuki Tsuboi, Kiyokazu Churei | 2002-04-02 |
| 5726556 | Charging state display apparatus | Takashi Kawabata, Kiyokazu Churei | 1998-03-10 |
| D374449 | Camera | Hiroyuki Fukushima | 1996-10-08 |
| 5168295 | Powder dividing device for camera | Kazushige Ichino | 1992-12-01 |
| 5040006 | Camera | Koichi Matsumura | 1991-08-13 |
| 4989025 | Camera | Koichi Matsumura | 1991-01-29 |