Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6052945 | Metal plate of high strength and flexibility | Sukekazu Asada, Yukio Isomura, Hiroyuki Yamamoto, Koichi Fujimoto | 2000-04-25 |
| 5236233 | Lid lock apparatus | Ryoichi Fukumoto, Kazuhiro Sumiya, Yasuaki Suzuki, Kouji Ooe | 1993-08-17 |
| 5222774 | Lid lock apparatus | Ryoichi Fukumoto, Kazuhiro Sumiya, Yasuaki Suzuki, Kouji Ooe | 1993-06-29 |
| 5161280 | Windshield wiper with variable arm pressure | Kazuhiro Sumiya, Tokihiko Yamamoto, Ryoichi Fukumoto, Masao Ohhashi | 1992-11-10 |
| 5090081 | Windshield wiper with variable arcuate pattern | Tokihiko Yamamoto, Ryoichi Fukumoto, Masao Ohhashi, Kazuhiro Sumiya | 1992-02-25 |