Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5294523 | Optical information recording medium | Susumu Sanai, Noboru Yamada, Masatoshi Takao | 1994-03-15 |
KN
Ken'chi Nagata
Overall (1994): #105,677 of 165,921Top 65%
1
Patents 1994