Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4767693 | Optical information recording medium | Hideaki Oba, Yutaka Ueda, Tsutomu Sato, Masaakira Umehara, Michiharu Abe +1 more | 1988-08-30 |
HF
Hitoshi Funakoshi
Overall (All Time): #3,958,202 of 4,157,543Top 100%
1
Patents All Time