Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820928 | Lithography apparatus | Mitsuo Ooyama, Kimiaki Ando, Norio Saitou, Takanori Simura, Hiroyuki Kohida | 1989-04-11 |
| 4798470 | Pattern printing method and apparatus | Shigeo Moriyama, Toshiei Kurosaki, Tsuneo Terasawa, Shinji Okazaki | 1989-01-17 |