Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814829 | Projection exposure apparatus | Masao Kosugi, Akiyoshi Suzuki, Hideki Ina, Shigeki Ogawa, Masao Totsuka +1 more | 1989-03-21 |
KO
Kazuhito Outsuka
Overall (1989): #89,955 of 140,708Top 65%
1
Patents 1989