Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5310425 | Toner concentration detector for a two-component developer | Shiro Nakagawa, Takehiro Imai, Eiji Takahishi | 1994-05-10 |
| 5065625 | Humidity meter | Shiro Nakagawa, Takehiro Imai, Atsuko Tsuchida | 1991-11-19 |