Issued Patents All Time
Showing 1–25 of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8238701 | Optical connector | — | 2012-08-07 |
| 7400799 | Optical device and fabrication method and apparatus for the same | — | 2008-07-15 |
| 6970627 | Method and apparatus for core alignment between optical components | Shingo Minamino | 2005-11-29 |
| 5808746 | Photodetector apparatus | Kouichi Shirakawa, Manabu Yasukawa, Hirotoshi Terada | 1998-09-15 |
| 5700084 | Optical source position adjustment device | Manabu Yasukawa, Chiyoharu Horiguchi | 1997-12-23 |
| 5666062 | Voltage measuring using electro-optic material's change in refractive index | Hironori Takahashi, Kazuhiko Wakamori, Akira Takeshima | 1997-09-09 |
| 5631555 | Voltage measurement system | Hironori Takahashi, Akira Takeshima | 1997-05-20 |
| 5614708 | Optical feedback photodetection apparatus | Kouichi Shirakawa, Akira Takeshima | 1997-03-25 |
| 5591962 | Synchronous signal detection apparatus with a photoconductive photodetector | Akira Takeshima, Mitsunori Nishizawa | 1997-01-07 |
| 5548124 | Decay characteristic measuring apparatus | Akira Takeshima | 1996-08-20 |
| 5534992 | Optical measuring apparatus | Akira Takeshima, Yoshihisa Warashina, Yoshihiko Mizushima | 1996-07-09 |
| 5535044 | Optical frequency mixing apparatus | Akira Takeshima | 1996-07-09 |
| 5493406 | Apparatus for measuring spectral characteristics of an optical fiber component | Akihiro Sawaki | 1996-02-20 |
| 5250795 | Feeble light measuring device | Motoyuki Watanabe | 1993-10-05 |
| 5071249 | Light waveform measuring apparatus | Akira Takahashi, Yutaka Tsuchiya | 1991-12-10 |
| 5043584 | Photon-counting type streak camera device | — | 1991-08-27 |
| 5032714 | Light waveform measuring device including a streak camera | Akira Takahashi | 1991-07-16 |
| 5017829 | Framing camera | Motoyuki Watanabe | 1991-05-21 |
| 4958124 | Multi-channel voltage detector | Shinichiro Aoshima, Yutaka Tsuchiya | 1990-09-18 |
| 4947031 | Sampling streak tube with accelerating electrode plate having an opening | Yutaka Tsuchiya, Katsuyuki Kinoshita, Yoshinori Inagaki | 1990-08-07 |
| 4945224 | Optical waveform observing apparatus | Etsuo Tsujimura, Motoyuki Watanabe, Yutaka Tsuchiya | 1990-07-31 |
| 4942293 | Optical waveform observing apparatus | Yutaka Tsuchiya, Tomoyoshi Hara, Kenji Suzuki | 1990-07-17 |
| 4928248 | Light source driving device | Akira Takahashi | 1990-05-22 |
| 4917492 | Spectrum measuring apparatus | — | 1990-04-17 |
| 4914359 | Deflecting voltage generating circuit | Akira Takahashi, Akira Takeshima | 1990-04-03 |