Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5336587 | Method of manufacturing main plates for exposure printing | Hiroshi Tanaka | 1994-08-09 |
| 5326663 | Method of manufacturing shadow mask | Hiroshi Tanaka, Katsumi Ichikawa | 1994-07-05 |
| 4861422 | Method of manufacturing shadow mask and apparatus | Katsumi Ichikawa | 1989-08-29 |
| 4662984 | Method of manufacturing shadow mask | Yasuhisa Ohtake, Yasushi Sengoku | 1987-05-05 |