Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8172714 | Speed changing transmission apparatus | Shoso Ishimori, Yoshiyuki Katayama, Yoshihiro Ueda, Shinichi Morita, Shinichi Kawabata +3 more | 2012-05-08 |
| 5337352 | Private branch exchange system having an automatic optimal route selecting mechanism | Tsutomu Shimasue | 1994-08-09 |
| 5225487 | Vinyl chloride resin composition | Keisuke Yagi | 1993-07-06 |