Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4906496 | Double-walled tube assembly | Masayuki Hosono, Kenji Waragai, Mitsuru Tokumoto | 1990-03-06 |
| 4749744 | Resin composition of saponified ethylenic copolymer | Kenji Shimizu, Kazunobu Sano | 1988-06-07 |
| 4337179 | Polyamide composition | Hideo Ishida, Masaaki Shinhama | 1982-06-29 |