Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6294949 | Voltage drive circuit, voltage drive apparatus and semiconductor-device testing apparatus | Shoji Kojima | 2001-09-25 |
| 6276772 | Ink jet printer using piezoelectric elements with improved ink droplet impinging accuracy | Masatoshi Sakata, Keiji Kunimi, Kazuo Shimizu | 2001-08-21 |
| 5869992 | Delay time control circuit | — | 1999-02-09 |
| 5821529 | Measuring board having an optically driven switch and I/O terminal testing system using the same | Kazunori Chihara, Koji Sasaki | 1998-10-13 |
| 5225775 | IC testing device for permitting adjustment of timing of a test signal | — | 1993-07-06 |