Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498777 | Optical recording medium having a land height ratio | Hiroaki Takahata | 2002-12-24 |
HO
Hisaji Oyake
Overall (2002): #205,154 of 266,432Top 80%
1
Patents 2002