Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5746829 | Impurity concentrator and analyzer | Hideki Matsunaga, Hiroshi Yamaguchi, Mitsuhiro Tomita, Seizou Doi, Masahiko Yoshiki +1 more | 1998-05-05 |
| 5622769 | Ceramic circuit board having a thermal conductivity substrate | Masaru Hayashi, Katsuyoshi Oh-Ishi, Takaaki Yasumoto, Nobuo Iwase, Hiroshi Endo +3 more | 1997-04-22 |
| 5254816 | Power circuit breaker and power resistor | Naoki Shutoh, Motomasa Imai, Fumio Ueno, Hideyasu Andoh, Hiroshi Endo +1 more | 1993-10-19 |