Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6889164 | Method and apparatus of determining defect-free semiconductor integrated circuit | — | 2005-05-03 |
| 6515500 | Method and apparatus of testing and analyzing CMOS integrated circuit | — | 2003-02-04 |
| 4320448 | Vibrating compressor | Naohiro Katayama, Tosio Izumi | 1982-03-16 |
| 4283920 | Refrigerating device | Hiroyuki Kainuma, Yoshiaki Fujisawa | 1981-08-18 |
| 4216385 | AC/DC Power supply device | Morikazu Omura, Akio Kobayashi | 1980-08-05 |