Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4333124 | Electrically discharging method and device | Yasuyuki Tamura, Kimio Nakahata | 1982-06-01 |
| 4320964 | Image formation apparatus | Katsuyoshi Maeshima, Hisashi Sakamaki | 1982-03-23 |