Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8305166 | Electromagnetic relay | Katsuto Kojima, Kouichi Mutou | 2012-11-06 |
| 8305167 | Electromagnetic relay | Yoshifumi Chida | 2012-11-06 |
| 7372350 | Electromagnetic relay | Yoshifumi Chida, Tatsumi Ide, Shigeru Kasai | 2008-05-13 |
| 6961485 | Optical switch | Michikazu Kondo, Masao Saito | 2005-11-01 |
| 6873232 | Miniaturizable electromagnetic relay | Yoshifumi Chida | 2005-03-29 |
| 4686500 | Electromagnetic relay | Tatsumi Ide, Masayuki Morimoto | 1987-08-11 |