Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D342949 | Speaker box | — | 1994-01-04 |
| D276440 | Display panel for copying machines | Shigeki Yasutani, Yuji Ishikawa, Hiroshi Matsumoto, Chosin Nakamine | 1984-11-20 |
| D276347 | Electronic copying machine | — | 1984-11-13 |
| D275960 | Electronic copying machine | Shigeki Yasutani | 1984-10-16 |