Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366542 | Polishing composition | Tsutomu Yamada, Taizo Okajima, Hitoshi Morinaga | 1994-11-22 |
| 4956015 | Polishing composition | Taizo Okajima, Tsutomu Yamada | 1990-09-11 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5366542 | Polishing composition | Tsutomu Yamada, Taizo Okajima, Hitoshi Morinaga | 1994-11-22 |
| 4956015 | Polishing composition | Taizo Okajima, Tsutomu Yamada | 1990-09-11 |