Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6621394 | Electromagnetic relay apparatus | Tsutomu Ono, Katsuto Kojima, Tatsumi Ide | 2003-09-16 |
| 6603591 | Microminiature movable device | — | 2003-08-05 |
| 6577103 | Emergency power system, and system for automatically detecting whether or not failure of single cell occurs in battery for use in the system | Kouji Tanaka, Koichi Nakahata, Akiyasu Okuno, Akihiro Bito | 2003-06-10 |
| 6560002 | Optical switch | — | 2003-05-06 |