Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9395692 | Hairspring material for mechanical timepiece and hairspring using the same | Shinichi Matsumoto, Kenji Tsuchiya, Shinji Yamamoto | 2016-07-19 |
| 8257656 | Heater coil for gas sensor, detecting element for gas sensor, catalytic combustion gas sensor, and manufacturing method of catalytic combustion gas sensor | Ikuo Takahashi, Junji Satoh | 2012-09-04 |
| 8246913 | Heater coil for gas sensor, detecting element for gas sensor, catalytic combustion gas sensor, and manufacturing method of catalytic combustion gas sensor | Ikuo Takahashi, Junji Satoh | 2012-08-21 |
| 7713480 | Heater coil for gas sensor, detection element for gas sensor, contact combustion type gas sensor, and method for manufacturing contact combustion type gas sensor | Ikuo Takahashi, Junji Satoh | 2010-05-11 |
| 6425793 | Impregnated cathode and method of manufacturing same, electron gun and electron tube | Yoji Hasegawa, Shinji Ogawa, Daichi Imabayashi, Makoto Furukawa, Nobuyuki Yoshino +3 more | 2002-07-30 |
| 6252341 | Impregnated cathode having varying surface porosity | Yoji Hasegawa, Shinji Ogawa, Daichi Imabayashi, Makoto Furukawa, Nobuyuki Yoshino +3 more | 2001-06-26 |