Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4433043 | Water based photosensitive composition with hydrolyzate of mammal collagen | Kazuo Shirakawa, Takeo Sugiura | 1984-02-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4433043 | Water based photosensitive composition with hydrolyzate of mammal collagen | Kazuo Shirakawa, Takeo Sugiura | 1984-02-21 |