Issued Patents All Time
Showing 26–50 of 73 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5357532 | Wavelength variable laser device | Haruyasu Ito | 1994-10-18 |
| 5350913 | Light pulse intensity regenerator, light tranforming repeater, pre-amplifier for light signal, light intensity change measuring apparatus, and stabilized light source | Isuke Hirano | 1994-09-27 |
| 5319654 | Pulsed laser beam source device | Tsuneyuki Urakami, Isuke Hirano | 1994-06-07 |
| 5317577 | Optical wavelength shifter using nonlinear refractive medium disposed interiorly of laser resonator | Tsuneyuki Urakami | 1994-05-31 |
| 5307199 | Optical apparatus | Tsuneyuki Urakami, Yutaka Tsuchiya | 1994-04-26 |
| 5289114 | Voltage detection apparatus using short pulse light source with narrow spectral band width | Takuya Nakamura, Yutaka Tsuchiya | 1994-02-22 |
| 5237388 | Polarized light measuring apparatus and phase plate measuring apparatus | Isuke Hirano, Hironori Takahashi, Tsuneyuki Urakami, Tamiki Takemori, Yutaka Tsuchiya | 1993-08-17 |
| 5220579 | Pulse laser | Tsuneyuki Urakami | 1993-06-15 |
| 5198921 | Light amplifying polarizer | Tsuneyuki Urakami, Yutaka Tsuchiya | 1993-03-30 |
| 5179565 | Low noise pulsed light source utilizing laser diode and voltage detector device utilizing same low noise pulsed light source | Yutaka Tsuchiya, Hironori Takahashi, Takuya Nakamura | 1993-01-12 |
| 5164667 | Voltage detecting device | Hironori Takahashi, Takuya Nakamura, Yutaka Tsuchiya | 1992-11-17 |
| 5153667 | Apparatus for detecting the change of light intensity | Hironori Takahashi, Yutaka Tsuchiya | 1992-10-06 |
| 5121404 | Optically pumped solid laser | Kenshi Fukumitsu | 1992-06-09 |
| 5119385 | Parametric pulse laser | Hideo Suzuki | 1992-06-02 |
| 5082340 | Wavelength converting device | Hironori Takahashi, Yutaka Tsuchiya | 1992-01-21 |
| 5077745 | Mode-locked solid-state ring laser | Kenshi Fukumitsu | 1991-12-31 |
| 5055770 | Method and apparatus for detecting voltage | Hironori Takahashi, Yutaka Tsuchiya | 1991-10-08 |
| 5043568 | Optical signal detector incorporating means for eluminating background light | Yutaka Tsuchiya, Hironori Takahashi, Takuya Nakamura | 1991-08-27 |
| 5034683 | Voltage detecting device | Hironori Takahashi, Yutaka Tsuchiya | 1991-07-23 |
| 5025142 | Light waveform changing apparatus using an optical amplifier | Tsuneyuki Urakami, Yutaka Tsuchiya | 1991-06-18 |
| 4996475 | Electro-optic voltage detector having a transparent electrode | Hironori Takahashi, Yutaka Tsuchiya | 1991-02-26 |
| 4994663 | Light intensity correlating apparatus | Tsuneyuki Urakami, Yutaka Tsuchiya | 1991-02-19 |
| 4988859 | Optical waveform measuring device | Yutaka Tsuchiya | 1991-01-29 |
| 4982151 | Voltage measuring apparatus | Hironori Takahashi, Yutaka Tsuchiya | 1991-01-01 |
| 4982152 | Voltage detecting device | Hironori Takahashi, Takuya Nakamura, Yutaka Tsuchiya | 1991-01-01 |