Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12019275 | Integrated optical module | — | 2024-06-25 |
| 11360266 | Method for manufacturing optical multiplexer/demultiplexer | — | 2022-06-14 |
| 10855052 | Optical device | Yudai IMAI, Norio Okada | 2020-12-01 |
| 9252885 | Method for manufacturing wavelength division multiplexing transmission apparatus and wavelength division multiplexing transmission apparatus | — | 2016-02-02 |
| 9219565 | Optical transmission apparatus and dummy light inserting method | Jyunji Tanaka, Haruki Watanabe | 2015-12-22 |
| 9037002 | Pre-emphasis control method and optical transmission system | Jyunji Tanaka, Takeo Osaka | 2015-05-19 |
| 8244129 | Monitoring apparatus and method for polarization scrambler and optical transmission apparatus | Shinichiro Harasawa, Kenji Ohta | 2012-08-14 |
| 7252731 | Apparatus and method for applying double-coated pressure sensitive adhesive tape, and method for producing catalytic converter | Taishi Tokunaga, Hideo Matsumoto | 2007-08-07 |
| 7133611 | Main signal controlling apparatus and method in a WDM optical communications system | — | 2006-11-07 |
| 6779577 | Building boards, manufacturing apparatus and prefoamed plastics | Tomoyoshi Yabe | 2004-08-24 |
| 6773540 | Particle board and method of making the same | — | 2004-08-10 |
| 6740963 | Optical module | Shinichi Takagi | 2004-05-25 |
| 6526715 | External wall construction | Takuo Ishiko | 2003-03-04 |
| 6527454 | Optical module for receiving and transmitting light signal in optical communication | Takeshi Saito | 2003-03-04 |
| 5356454 | Mold powder for continuous casting | Seiji Itoyama, Hidenari Kitaoka, Toshikazu Sakuraya, Kenichi Sorimachi, Saburo Moriwaki +4 more | 1994-10-18 |
| 4797754 | Method for writing servo pattern in magnetic disk unit | Mitugu Sugano, Mitsunori Oka, Kimiya Nokina, Kazuhiro Koshimizu | 1989-01-10 |
| 4603467 | Method of manufacturing chip-type aluminum electrolytic capacitor | — | 1986-08-05 |
| D279382 | Cash register or similar article | Susumu Hori, Hiroaki Suzuki | 1985-06-25 |
| 4424933 | Vehicle humidity control apparatus for preventing fogging of windows | Shinji Sutoh, Seizi Sumikawa, Toshizo Hara | 1984-01-10 |
| 4356705 | Vehicle temperature control apparatus | Shinji Sutoh, Takeshi Harada | 1982-11-02 |
| 4350286 | Humidity control apparatus | Shinji Sutoh, Takeshi Harada | 1982-09-21 |