Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4347304 | Process for forming metallic image | Hideki Sakurai, Mitsuo Nakatani, Hitoshi Yokono, Tokio Isogai | 1982-08-31 |
| 4324629 | Process for regenerating chemical copper plating solution | Hiroshi Kikuchi, Hitoshi Yokono, Haruo Suzuki, Toyofusa Yoshimura, Akira Matsuo +3 more | 1982-04-13 |
| 4310563 | Method for automatically controlling composition of chemical copper plating solution | Kenji Nakamura, Hitoshi Yokono, Tokio Isogai, Akira Matsuo, Osamu Miyazawa +1 more | 1982-01-12 |