Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6476338 | Vacuum switch | Tetsu Shioiri, Kunio Yokokura | 2002-11-05 |
| 6346683 | Vacuum interrupter and vacuum switch thereof | Tsutomu Okutomi, Takashi Kusano, Mitsutaka Homma, Atsushi Yamamoto, Takanobu Nishimura | 2002-02-12 |