Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4685139 | Inspecting device for print | Kouichi Ishizuka, Toshiji Fujita, Yoshio Kinoshita | 1987-08-04 |
| 4553215 | Gravure screen and method of making the same | Yoichi Tanaka | 1985-11-12 |