Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6498777 | Optical recording medium having a land height ratio | Hisaji Oyake | 2002-12-24 |
HT
Hiroaki Takahata
Overall (2002): #204,668 of 266,432Top 80%
1
Patents 2002