Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432325 | Electrode | Munemitsu Hamada, Akira Takeishi, Makoto Takahashi, Dai Matsuoka, Hiraku Harada | 2002-08-13 |
| 6383416 | Electron-emitting material and preparing process | Munemitsu Hamada, Akira Takeishi, Makoto Takahashi, Dai Matsuoka, Hiraku Harada | 2002-05-07 |
| 6218928 | PTC thermistor material | Masuo Okada, Takahiro Sawaguchi, Dai Matsuoka | 2001-04-17 |
| 6140906 | Resistive temperature sensor and manufacturing method therefor | Nobuo Kaihara, Minoru Ogasawara | 2000-10-31 |
| 5773158 | Rapid temperature rise heater element | Kentaro Sawamura, Etsuo Mitsuhashi, Masaru Nanao, Nobuyuki Miki, Masahiro Kitajima | 1998-06-30 |
| 5756215 | Ceramic heater | Kentaro Sawamura, Nobuyuki Miki, Masahiro Kitajima, Etsuo Mitsuhashi, Shinichi Sato +2 more | 1998-05-26 |
| 5707583 | Method for preparing the zinc oxide base varistor | — | 1998-01-13 |
| 5640136 | Voltage-dependent nonlinear resistor | Toshiyuki Yamazaki, Hitomi Naitou, Masahito Furukawa, Dai Matsuoka | 1997-06-17 |
| 4320379 | Voltage non-linear resistor | — | 1982-03-16 |
| 4306214 | Non-linear resistance element, method for preparing same and noise suppressor therewith | Susumu Miyabayashi | 1981-12-15 |
| 4254070 | Process for producing sintered body of ceramic composition for voltage non-linear resistor | Matsuo Morisawa, Takashi Yamamoto, Katsunobu Okutani | 1981-03-03 |