Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6479778 | Vacuum switch including windmill-shaped electrodes | Kenichi Koyama, Hiromi Koga, Atsushi Sawada | 2002-11-12 |
TK
Toshinori Kimura
Overall (2002): #100,241 of 266,432Top 40%
1
Patents 2002