Issued Patents 2002
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6437275 | Vacuum circuit-breaker, vacuum bulb for use therein, and electrodes thereof | Shigeru Kikuchi, Masato Kobayashi, Katsuhiro Komuro, Toru Tanimizu, Yoshimi Hakamata +2 more | 2002-08-20 |