Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5419939 | Optical recording disk | Hiroyuki Arioka, Toshiki Aoi, Akio Ogawa | 1995-05-30 |
| 5252370 | Optical recording medium and method for making | Junji Tominaga | 1993-10-12 |
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Hideki Dohi
Overall (All Time): #2,287,147 of 4,157,543Top 60%
2
Patents All Time