Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4373798 | Developing device with shutter blade | Yasuhide Kurosaki | 1983-02-15 |
| 4365586 | Developing device | Nagao Hosono, Nobuyuki Miyake, Junichiro Kanbe, Kozo Arao | 1982-12-28 |