Issued Patents 2002
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6452313 | Multilayer piezoelectric transformer | Yoshiyuki Watanabe, Yasuyuki Inomata, Shigeo Ishii | 2002-09-17 |
| 6445111 | Laminated piezoelectric transformer | Yoshiyuki Watanabe, Yasuyuki Inomata, Shigeo Ishii, Mitsuya Tsujikawa | 2002-09-03 |
| 6346762 | Piezoelectric transformer | Yoshiyuki Watanabe, Yasuyuki Inomata, Shigeo Ishii | 2002-02-12 |