Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9579971 | Fuel cap provided with breather mechanism | Takuma Koishikawa, Takashi Toriki, Yoji Fukui, Takumi Sakamoto, Takeshi Shimura +2 more | 2017-02-28 |
| 8939130 | Evaporated fuel treatment device for vehicle | Takeshi Shimura, Shinji Kobayashi, Ikuo Hara, Takuma Koishikawa, Satoshi Okayama | 2015-01-27 |