Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6410468 | Si3N4 ceramic, Si-base composition for production thereof and processes for producing these | Akira Yamakawa | 2002-06-25 |
SN
Seiji Nakahata
Overall (2002): #120,165 of 266,432Top 50%
1
Patents 2002