Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6704815 | Input-output unit for serial-parallel signal conversion | Fumio Morikawa, Shinji Miyazoe | 2004-03-09 |
| 6636782 | Method of driving and controlling a solenoid-operated valve | Fumio Morikawa | 2003-10-21 |
| 6386229 | Method and device for managing operation of solenoid valve | Fumio Morikawa, Makoto Ishikawa | 2002-05-14 |
| D448344 | Signal converter | Ken Gunji | 2001-09-25 |
| D433998 | Signal-input device | Ken Gunji | 2000-11-21 |