Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4256346 | Wheels for vehicles, such as motorcycles | Takeshi Kawaguchi, Masayuki Onimaru | 1981-03-17 |
| 4207661 | Method of fabricating a catalyst converter for cleaning exhausts of cars | Yoshio Mase, Tadayoshi Hayashi, Shinichi Natsuume, Yoshiyuki Moriya | 1980-06-17 |
| 4203949 | Catalyst converter for cleaning exhausts of cars | Yoshio Mase, Tadayoshi Hayashi, Shinichi Natsuume, Yoshiyuki Moriya | 1980-05-20 |
| 4181365 | Wheels for motorcycles | Takeshi Kawaguchi, Masayuki Onimaru | 1980-01-01 |