Issued Patents All Time
Showing 51–73 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4980632 | Electrical signal observing device | Tsuneyuki Urakami, Yutaka Tsuchiya | 1990-12-25 |
| 4975635 | Voltage detector using a sampling type high-speed photodetector | Hironori Takahashi, Takuya Nakamura, Yutaka Tsuchiya | 1990-12-04 |
| 4973900 | Voltage detecting device | Yutaka Tsuchiya, Takuya Nakamura | 1990-11-27 |
| 4968881 | Voltage detector using electro-optic material having anti-reflective coatings | Hironori Takahashi, Yoshiharu Ooi, Mutsuji Takahashi, Yutaka Tsuchiya | 1990-11-06 |
| 4967144 | Electrical signal observing device for converting an electrical signal to be measured into an optical intensity waveform | Yutaka Tsuchiya | 1990-10-30 |
| 4962353 | Voltage detector | Hironori Takahashi, Iakuya Nakamura, Yutaka Tsuchiya | 1990-10-09 |
| 4958354 | Apparatus for stabilizing the intensity of light | Tsuneyuki Urakami, Yutaka Tsuchiya | 1990-09-18 |
| 4958124 | Multi-channel voltage detector | Musubu Koishi, Yutaka Tsuchiya | 1990-09-18 |
| 4922186 | Voltage detector | Yutaka Tsuchiya, Takuya Nakamura | 1990-05-01 |
| 4920310 | Voltage detector | Yutaka Tsuchiya | 1990-04-24 |
| 4909628 | Optical heterodyne detector | Tamiki Takemori, Yutaka Tsuchiya | 1990-03-20 |
| 4906922 | Voltage mapping device having fast time resolution | Hironori Takahashi, Yutaka Tsuchiya | 1990-03-06 |
| 4891579 | Voltage detector | Yutaka Tsuchiya | 1990-01-02 |
| 4887026 | Voltage detector for detecting a voltage developing in a selected area of an object | Hironori Takahashi, Yutaka Tsuchiya | 1989-12-12 |
| 4866372 | Voltage detector having compensation for polarization change caused by spontaneous birefringence | Yutaka Tsuchiya, Hironori Takahashi | 1989-09-12 |
| 4866721 | Pulsed laser stabilizing device | Takuya Nakamura, Yutaka Tsuchiya | 1989-09-12 |
| 4864220 | Voltage detector using electro-optic material and interference of light beams | Yutaka Tsuchiya, Takuya Nakamura | 1989-09-05 |
| 4864222 | Voltage detector employing electro-optic material having a corner-cube shape | Yutaka Tsuchiya | 1989-09-05 |
| 4864577 | Highly repetitively pulsed laser device | Yutaka Tsuchiya | 1989-09-05 |
| 4855591 | Electro-optical voltage detector | Takuya Nakamura, Yutaka Tsuchiya | 1989-08-08 |
| 4841234 | Voltage detector utilizing an optical probe of electro-optic material | Yutaka Tsuchiya | 1989-06-20 |
| 4796992 | Apparatus for optically analyzing an object using four-wave mixing technique | Yutaka Tsuchiya | 1989-01-10 |
| 4760577 | CPM pulse laser device having a feedback means | — | 1988-07-26 |