Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889791 | Positive type photoresist material | Shozo Tsuchiya, Nobuo Aoki | 1989-12-26 |
| 4884522 | Tank stabilizer | Kiyomi Minohara, Satoshi Sogabe | 1989-12-05 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889791 | Positive type photoresist material | Shozo Tsuchiya, Nobuo Aoki | 1989-12-26 |
| 4884522 | Tank stabilizer | Kiyomi Minohara, Satoshi Sogabe | 1989-12-05 |