Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4733274 | Copying apparatus | Hisashi Sakamaki, Hiroyuki Hattori | 1988-03-22 |
| 4494861 | Copying apparatus | Hisashi Sakamaki, Hiroyuki Hattori | 1985-01-22 |
| 4275958 | Copying apparatus | Hisashi Sakamaki, Hiroyuki Hattori | 1981-06-30 |