Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4196967 | Optical system with masking means and method for producing it | Kazuo Ohnishi, Shigeru Innami | 1980-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4196967 | Optical system with masking means and method for producing it | Kazuo Ohnishi, Shigeru Innami | 1980-04-08 |