Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674115 | Apparatus for grinding a master disc | Eiki Yamashita, Kiyohiko Miyahara, Junzo Takano | 1997-10-07 |
| 4820029 | Objective lens for optical pickup | Ichiro Morishita, Masaru Nakayama | 1989-04-11 |
| 4579591 | Desensitizing solution for use in offset printing | Hiroaki Suzuki, Masao Tanaka, Sadao Osawa, Nobuyuki Kita | 1986-04-01 |
| 4559288 | Electrophotographic photoreceptor | Sho Nakao, Kenji Kunichika, Chikashi Ohishi, Kiyoshi Iwamoto | 1985-12-17 |