Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4867542 | Laser exposure apparatus | Shigeaki Shimazu, Kenji Endo, Eiichi Tamaki, Yasuyuki Wada, Takeshi Kageyama +1 more | 1989-09-19 |
| 4810068 | Laser exposure apparatus | Shigeaki Shimazu, Kenji Endo, Eiichi Tamaki, Yasuyuki Wada, Takeshi Kageyama +1 more | 1989-03-07 |