Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5723568 | Polyamide solution composition and methods for producing fibrids and paper-like sheets using the same | Keizo Shimada, Jiro Sadanobu, Tsugusi Yosida | 1998-03-03 |
| 5665295 | Process for the production of composite molded article | Hiromitsu Takamoto, Hidetoshi Okamura | 1997-09-09 |
| 4532275 | Fiber-reinforced composite materials | Keizo Shimada | 1985-07-30 |
| 4398995 | Papery product | Hideharu Sasaki, Tsutomu Nakamura, Keizo Shimada, Yutaka Tabe | 1983-08-16 |