Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5666062 | Voltage measuring using electro-optic material's change in refractive index | Hironori Takahashi, Kazuhiko Wakamori, Musubu Koishi | 1997-09-09 |
| 5631555 | Voltage measurement system | Hironori Takahashi, Musubu Koishi | 1997-05-20 |
| 5614708 | Optical feedback photodetection apparatus | Musubu Koishi, Kouichi Shirakawa | 1997-03-25 |
| 5591962 | Synchronous signal detection apparatus with a photoconductive photodetector | Musubu Koishi, Mitsunori Nishizawa | 1997-01-07 |
| 5548124 | Decay characteristic measuring apparatus | Musubu Koishi | 1996-08-20 |
| 5534992 | Optical measuring apparatus | Musubu Koishi, Yoshihisa Warashina, Yoshihiko Mizushima | 1996-07-09 |
| 5535044 | Optical frequency mixing apparatus | Musubu Koishi | 1996-07-09 |
| 5495100 | Phase difference detecting method, circuit and apparatus | — | 1996-02-27 |
| 5229931 | Nut runner control system and method of monitoring nut runners | Akihiko Takahashi, Shigeo Kobayashi, Yasuto Watanabe, Toshikazu Asakura, Hisaya Watanabe | 1993-07-20 |
| 5160011 | Working line | Takeo Yoshiji, Yutaka Sato, Teruo Yoshioka | 1992-11-03 |
| 5062491 | Apparatus for controlling nut runner | Toshikazu Asakura, Akihiko Takahashi, Shigeo Kobayashi, Shoichi Hayashi | 1991-11-05 |
| 5044744 | Method and apparatus for distance measurement using electromagnetic waves | Ichizo Ogawa, Yoshihisa Warashina, Yoshihiko Mizushima, Koji Ichie, Morio Takeichi | 1991-09-03 |
| 4914359 | Deflecting voltage generating circuit | Akira Takahashi, Musubu Koishi | 1990-04-03 |
| 4908926 | Method of and apparatus for controlling nut runner | Toshikazu Asakura, Akihiko Takahashi, Shigeo Kobayashi, Shoichi Hayashi | 1990-03-20 |
| 4827317 | Time interval measuring device | Yoshihiko Mizushima, Yutaka Tsuchiya, Musubu Koishi | 1989-05-02 |
| 4705397 | Laser pulse train jitter measuring device | Yutaka Tsuchiya, Shinichirou Aoshima | 1987-11-10 |
| 4694154 | Instruments for measuring light pulses clocked at high repetition rate and electron tube devices therefor | Yutaka Tsuchiya, Musubu Koishi | 1987-09-15 |
| 4645918 | Instruments for measuring light pulses clocked at high repetition rate and electron tube devices therefor | Yutaka Tsuchiya, Musubu Koishi | 1987-02-24 |