Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10079032 | Device and recording apparatus | Ryuichi Katayama, Satoshi Sugiura, Takayuki Kasuya | 2018-09-18 |
| 8830801 | Near-field light device, recording apparatus using the same, and recording method | Satoshi Sugiura, Takayuki Kasuya | 2014-09-09 |
| 7348531 | Photoelectric conversion device and image pickup device using electron emission devices | Yoshiyuki Okuda, Saburo Aso, Takamasa Yoshikawa, Hideo Satoh, Nobuyasu Negishi +1 more | 2008-03-25 |
| 5640654 | Color image forming apparatus having rotary developing device | — | 1997-06-17 |