Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5703530 | Radio frequency amplifier having improved CTB and cross modulation characteristics | Katsumi Kaneko, Yasushi Saito | 1997-12-30 |
| 5677076 | Safety device for enclosed cell | Fumiyoshi Kudo | 1997-10-14 |