Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4777499 | Method and apparatus for image recording | Kenji Okuna, Hidefumi Ohtsuka, Takaomi Nishigaito, Katsumi Muroi, Tsutomu Iimura +1 more | 1988-10-11 |
| 4763143 | Electrographic recording apparatus | Kenji Okuna, Hidefumi Ohtsuka | 1988-08-09 |