Issued Patents All Time
Showing 26–26 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4487497 | Optical device in variable magnification electrostatic copying apparatus | Hiroshi Kimura, Masahiko Hisajima, Kiyoshi Morimoto, Kiyoshi Shibata, Takashi Nagashima +4 more | 1984-12-11 |