Issued Patents All Time
Showing 1–25 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9952390 | Optical element, optical module, and optical transmission system | — | 2018-04-24 |
| 9819153 | Optical semiconductor device and manufacturing method thereof | Ayahito Uetake | 2017-11-14 |
| 9728938 | Optical semiconductor device, optical semiconductor device array, and optical transmitter module | Ayahito Uetake | 2017-08-08 |
| 9722397 | Tunable laser and tunable laser module | Kazumasa Takabayashi, Tsuyoshi Yamamoto | 2017-08-01 |
| 9634465 | Optical device and optical module | — | 2017-04-25 |
| 8906721 | Semiconductor light emitting device and method for manufacturing the same | Nobuaki Hatori, Tsuyoshi Yamamoto, Yasuhiko Arakawa | 2014-12-09 |
| 8705583 | Semiconductor laser | — | 2014-04-22 |
| 8494320 | Optical element and method for manufacturing the same | — | 2013-07-23 |
| 8319229 | Optical semiconductor device and method for manufacturing the same | Tsuyoshi Yamamoto | 2012-11-27 |
| 8210641 | Liquid ejection head, liquid ejection apparatus, and manufacturing method of liquid ejection head | Takeo Eguchi, Shogo Ono, Kazuyasu Takenaka, Atsushi Nakamura, Yuichiro Ikemoto +5 more | 2012-07-03 |
| 8109584 | Liquid ejection head, liquid ejection apparatus, and manufacturing method of liquid ejection head | Takeo Eguchi, Shogo Ono, Kazuyasu Takenaka, Atsushi Nakamura, Yuichiro Ikemoto +5 more | 2012-02-07 |
| 8009713 | Semiconductor laser | Kan Takada, Takeshi Matsumoto | 2011-08-30 |
| 8007072 | Cleaning blade, method of fabricating cleaning blade, and cleaning apparatus for liquid discharge head | Shota Nishi, Shigeyoshi Fujiki, Yuji Yakura, Makoto Ando | 2011-08-30 |
| 7924896 | Optical semiconductor device | Tsuyoshi Yamamoto, Mitsuru Ekawa, Kan Takada, Shigekazu Okumura | 2011-04-12 |
| 7899283 | Optical device and method for manufacturing the same | Tsuyoshi Yamamoto | 2011-03-01 |
| 7882920 | Vehicle braking force controller | Chihiro Nitta, Kazuhide Adachi, Hideaki Morita, Kazushi Konno, Shoko Yokoyama | 2011-02-08 |
| 7852890 | Semiconductor laser and manufacturing method thereof | Tsuyoshi Yamamoto | 2010-12-14 |
| 7581809 | Liquid ejection head, liquid ejection apparatus, and manufacturing method of liquid ejection head | Takeo Eguchi, Shogo Ono, Kazuyasu Takenaka, Atsushi Nakamura, Yuichiro Ikemoto +5 more | 2009-09-01 |
| 7574083 | Optical device having diffraction gratings coupling guided wave, and its manufacture method | — | 2009-08-11 |
| 7496127 | Optical device coupling light propagating in optical waveguide with diffraction grating | Tsuyoshi Yamamoto | 2009-02-24 |
| 7079925 | Agent apparatus | Tomoki Kubota, Koji Hori, Hiroaki Kondo, Kazuhide Adachi, Tadashi Hirano | 2006-07-18 |
| 6437361 | Semiconductor device and method of using the same | — | 2002-08-20 |
| 6376338 | Manufacturing method of a semiconductor device having a diffraction grating | Mitsuru Ekawa, Takuya Fujii, Yuji Kotaki | 2002-04-23 |
| 6088377 | Optical semiconductor device having a diffraction grating and fabrication process thereof | — | 2000-07-11 |
| 5981307 | Fabrication process of optical semiconductor device having a diffraction grating | — | 1999-11-09 |