Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12331280 | Cell culture device, method for culturing cells, and method for producing product | Naoto Takahashi, Shinichi Nakai | 2025-06-17 |
| 8314986 | Transparent electromagnetic wave-shielding filter and method of producing thereof, and conductive film | Akira Ichiki, Hideaki Nomura | 2012-11-20 |
| 8017306 | Method for producing conductive film | Tsukasa Tokunaga | 2011-09-13 |
| 6472655 | Remote amplifier for an optical transmission system and method of evaluating a faulty point | — | 2002-10-29 |
| 6366718 | Submarine optical gain equalizer, submarine optical transmission line and its installation method | — | 2002-04-02 |
| 6236776 | Submarine optical gain equalizer, submarine optical transmission line and its installation method | — | 2001-05-22 |
| 5942592 | Siloxane polyimide and heat-resistant adhesive containing the same | Dong Zhao, Tomoko Katono, Lin-chiu Chiang, Jeng-Tain Lin | 1999-08-24 |
| 5861975 | Wavelength stability circuit | Shohei Yamaguchi | 1999-01-19 |
| 5859181 | Siloxane polymide and heat-resistant adhesive containing the same | Dong Zhao, Tomoko Katono, Lin-chiu Chiang, Jeng-Tain Lin | 1999-01-12 |
| 5729373 | Reproducing circuit of monitor signal | — | 1998-03-17 |
| 5479424 | Optical modulating and amplifying apparatus capable of achieving modulation with high signal-to-noise ratio | — | 1995-12-26 |
| 4926906 | Spool valve | Kouji Ichihashi, Junichi Tani, Katsuhiko Tsukazaki, Nobuo Baba, Kiyoji Nakajima +2 more | 1990-05-22 |
| 4905961 | Electromagnetic actuator | Kouji Ichihashi, Jun Tani, Katsuhiko Tsukazaki, Nobuo Baba, Kiyoji Nakajima +2 more | 1990-03-06 |