Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4874460 | Method and apparatus for modifying patterned film | Takehiro Yamaoka | 1989-10-17 |
| 4874632 | Process for forming pattern film | Takashi Kaito, Hisao Houjyo, Masahiro Yamamoto | 1989-10-17 |
| 4851097 | Apparatus for repairing a pattern film | Osamu Hattori, Anton Yasaka, Mitsuyoshi Sato, Sumio Sasaki | 1989-07-25 |