Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7057448 | Variable output-type constant current source circuit | Hiroshi Tanigawa, Shuichi Nakamura | 2006-06-06 |
| 6927559 | Constant voltage power supply | Hiroshi Tanigawa | 2005-08-09 |