Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870466 | Cleaning device having fur brush, scavenger roller and scraper for electrostatic recorder | — | 1989-09-26 |
| 4231653 | Oil supply apparatus | Yasumori Nagahara | 1980-11-04 |