Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6222262 | Lanthanum cobalt oxide semiconductor ceramic and related devices | Satoshi Ueno, Akinori Nakayama, Hideaki Niimi, Yoichi Kawase | 2001-04-24 |
| 6090735 | Semiconductive ceramic composition and semiconductive ceramic element using the same | Akinori Nakayama, Hideaki Nimi, Ryouichi Urahara, Yukio Sakabe | 2000-07-18 |
| 6054403 | Semiconductive ceramic and semiconductive ceramic element using the same | Yoichi Kawase, Akinori Nakayama, Satoshi Ueno, Hideaki Niimi | 2000-04-25 |
| 5858902 | Semiconducting ceramic compounds having negative resistance-temperature characteristics with critical temperatures | Akinori Nakayama, Hiroshi Takagi | 1999-01-12 |
| 5424707 | NTC thermistor composition based on barium titanate | Hideaki Niimi, Yasunobu Yoneda | 1995-06-13 |