Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10333270 | Optical module and method for manufacturing the optical module | Takashi Kyono, Takao Nakamura, Hiromi Nakanishi, Takatoshi Ikegami, Kuniaki Ishihara +2 more | 2019-06-25 |
| 10024516 | Optical module | Takashi Kyono, Hiromi Nakanishi, Kaoru Shibata | 2018-07-17 |
| 9806494 | Optical module and method for manufacturing the optical module | Takashi Kyono, Takao Nakamura, Hiromi Nakanishi, Takatoshi Ikegami, Kuniaki Ishihara +2 more | 2017-10-31 |
| 8772787 | Prepared and stored GaN substrate | Seiji Nakahata | 2014-07-08 |
| 8476158 | Method of preparing and storing GaN substrate, prepared and stored GaN substrate, and semiconductor device and method of its manufacture | Seiji Nakahata | 2013-07-02 |
| 8404569 | Fabrication method and fabrication apparatus of group III nitride crystal substance | Hitoshi Kasai, Takuji Okahisa, Shunsuke Fujita, Naoki Matsumoto, Fumitaka Sato +4 more | 2013-03-26 |
| 8227826 | Method of storing GaN substrate, stored substrate, and semiconductor device and method of its manufacture | Seiji Nakahata | 2012-07-24 |
| 7858502 | Fabrication method and fabrication apparatus of group III nitride crystal substance | Hitoshi Kasai, Takuji Okahisa, Shunsuke Fujita, Naoki Matsumoto, Fumitaka Sato +4 more | 2010-12-28 |
| 7811908 | Method of storing GaN substrate, stored substrate, and semiconductor device and method of its manufacture | Seiji Nakahata | 2010-10-12 |
| 7589000 | Fabrication method and fabrication apparatus of group III nitride crystal substance | Hitoshi Kasai, Takuji Okahisa, Shunsuke Fujita, Naoki Matsumoto, Fumitaka Sato +4 more | 2009-09-15 |
| 7062941 | Manufacturing method of optical fiber preform | Masashi Onishi, Eiji Yanada, Masaaki Hirano | 2006-06-20 |
| 6987917 | Optical fiber preform producing method, optical fiber preform, and optical fiber | Masaaki Hirano, Masashi Onishi | 2006-01-17 |