Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5714924 | Positive characteristic thermistor device | Kazuo Saito | 1998-02-03 |
| 5428493 | Motor starting relay device having PTC thermistors | Hiroshi Nohara | 1995-06-27 |
| 4973934 | PTC thermistor device | Kazuo Saito | 1990-11-27 |
| 4874924 | PTC heating device | Shinobu Yamamoto, Fumitoshi Hoshide, Shou Kotani, Sumihiro Yasuda | 1989-10-17 |
| 4728779 | PTC heating device | Sho Kotani, Sumihiro Yasuda, Kengo OGAWA | 1988-03-01 |
| 4644316 | Positive temperature coefficient thermistor device | Yoshiaki Ishizu | 1987-02-17 |
| 4635026 | PTC resistor device | — | 1987-01-06 |