Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5340698 | Optical disk | Hideki Hirata, Keiji Koga | 1994-08-23 |
| 5316466 | Disc molding apparatus | Toshifumi Tanaka, Yasuo Ohira | 1994-05-31 |
TI
Toshihiko Ishida
Overall (1994): #17,637 of 165,921Top 15%
2
Patents 1994