Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840473 | Optical device | Nobuo Kushibiki, Noriyuki Nose, Toshiyuki Nakajima, Takeshi Baba, Yukichi Niwa | 1989-06-20 |
MM
Masakazu Matsugu
Overall (1989): #80,117 of 140,708Top 60%
1
Patents 1989