Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917851 | Method of manufacturing multi-layer resin material | Toyokazu Yamada, Hideo Sugimura, Takeshi Shinohara | 1990-04-17 |
| 4842951 | Thermoforming resin laminate sheet | Toyokazu Yamada, Hideo Sugimura, Takeshi Shinohara | 1989-06-27 |
| 4331508 | Photographic support | You Kusama | 1982-05-25 |
| 4288287 | Photographic support | You Kusama | 1981-09-08 |