Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6448383 | Method for producing 1,2-naphthoquinonediazide photosensitive agent | Tomotaka Yamanaka | 2002-09-10 |
| 6402385 | Dynamic pressure bearing apparatus | Hisaya Nakagawa, Michiaki Takizawa | 2002-06-11 |