Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7540347 | Exhaust system for motorcycle | Masayuki Taniguchi, Noriyoshi Tsutsui, Nobutaka Wakita, Yuji Kashiwabara, Shunichi Nakajima +2 more | 2009-06-02 |
| 7131412 | Engine starting system | Koichi Tsutsumi, Katsuhiro Nakamichi, Hiroyuki Sugiura | 2006-11-07 |
| 7089905 | Lubricating structure for an engine | Koichi Tsutsumi, Ryuichi Abe, Hiroyuki Sugiura | 2006-08-15 |
| 7004135 | Engine starter unit | Koichi Tsutsumi, Ryuichi Abe, Hiroyuki Sugiura | 2006-02-28 |
| 6948470 | Four-cycle engine | Koichi Tsutsumi, Itoko Kobayashi, Ryuichi Abe | 2005-09-27 |
| 6899073 | Decompression device for internal combustion engine | Koichi Tsutsumi, Itoko Kobayashi, Ryuichi Abe | 2005-05-31 |
| 5613569 | Electric motor vehicle and battery unit for electric motor vehicle | Kouichi Sugioka, Masao Ogawa, Hiroyuki Sako | 1997-03-25 |
| 5477936 | Electric motor vehicle and battery unit for electric motor vehicle | Kouichi Sugioka, Masao Ogawa, Hiroyuki Sako | 1995-12-26 |