Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810547 | Substrate with fine grooves and method for manufacturing the same | Tsutomu Minami, Shinya Katayama, Yoshihiro Matsuno | 1989-03-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4810547 | Substrate with fine grooves and method for manufacturing the same | Tsutomu Minami, Shinya Katayama, Yoshihiro Matsuno | 1989-03-07 |