Issued Patents All Time
Showing 101–121 of 121 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5420686 | Polarization interferometer optical voltage detector utilizing movement of interference fringe | Tsuneyuki Urakami, Shinichiro Aoshima | 1995-05-30 |
| 5384638 | Sampling-type optical voltage detector utilizing movement of interference fringe | Tsuneyuki Urakami, Shinichiro Aoshima | 1995-01-24 |
| 5237388 | Polarized light measuring apparatus and phase plate measuring apparatus | Isuke Hirano, Tsuneyuki Urakami, Tamiki Takemori, Yutaka Tsuchiya, Shinichiro Aoshima | 1993-08-17 |
| 5179565 | Low noise pulsed light source utilizing laser diode and voltage detector device utilizing same low noise pulsed light source | Yutaka Tsuchiya, Shinichiro Aoshima, Takuya Nakamura | 1993-01-12 |
| 5164667 | Voltage detecting device | Shinichiro Aoshima, Takuya Nakamura, Yutaka Tsuchiya | 1992-11-17 |
| 5153667 | Apparatus for detecting the change of light intensity | Shinichiro Aoshima, Yutaka Tsuchiya | 1992-10-06 |
| 5128950 | Low noise pulsed light source using laser diode | Yutaka Tsuchiya, Takuya Nakamura | 1992-07-07 |
| 5082340 | Wavelength converting device | Shinichiro Aoshima, Yutaka Tsuchiya | 1992-01-21 |
| 5055770 | Method and apparatus for detecting voltage | Shinichiro Aoshima, Yutaka Tsuchiya | 1991-10-08 |
| 5043568 | Optical signal detector incorporating means for eluminating background light | Yutaka Tsuchiya, Shinichiro Aoshima, Takuya Nakamura | 1991-08-27 |
| 5034683 | Voltage detecting device | Shinichiro Aoshima, Yutaka Tsuchiya | 1991-07-23 |
| 4996475 | Electro-optic voltage detector having a transparent electrode | Shinichiro Aoshima, Yutaka Tsuchiya | 1991-02-26 |
| 4982151 | Voltage measuring apparatus | Shinichiro Aoshima, Yutaka Tsuchiya | 1991-01-01 |
| 4982152 | Voltage detecting device | Shinichiro Aoshima, Takuya Nakamura, Yutaka Tsuchiya | 1991-01-01 |
| 4975635 | Voltage detector using a sampling type high-speed photodetector | Shinichiro Aoshima, Takuya Nakamura, Yutaka Tsuchiya | 1990-12-04 |
| 4968881 | Voltage detector using electro-optic material having anti-reflective coatings | Shinichiro Aoshima, Yoshiharu Ooi, Mutsuji Takahashi, Yutaka Tsuchiya | 1990-11-06 |
| 4962353 | Voltage detector | Shinichiro Aoshima, Iakuya Nakamura, Yutaka Tsuchiya | 1990-10-09 |
| 4933628 | Voltage detecting device | Yutaka Tsuchiya | 1990-06-12 |
| 4906922 | Voltage mapping device having fast time resolution | Shinichiro Aoshima, Yutaka Tsuchiya | 1990-03-06 |
| 4887026 | Voltage detector for detecting a voltage developing in a selected area of an object | Yutaka Tsuchiya, Shinichiro Aoshima | 1989-12-12 |
| 4866372 | Voltage detector having compensation for polarization change caused by spontaneous birefringence | Shinichiro Aoshima, Yutaka Tsuchiya | 1989-09-12 |