Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7642962 | Adaptive array antenna system and method of controlling directivity thereof | Chikahiro Tomita, Fumitaka Iizuka | 2010-01-05 |
| 6359712 | Bidirectional optical communication apparatus and optical remote control apparatus | — | 2002-03-19 |
| 6348755 | Method and apparatus for driving piezoelectric transformer | Junichi Shimamura, Mamoru Sakamoto | 2002-02-19 |