Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10938181 | Vertical cavity surface emitting laser and method for manufacturing vertical cavity surface emitting laser | Takamichi Sumitomo, Suguru Arikata | 2021-03-02 |
| 10594110 | Vertical cavity surface emitting laser, method for fabricating vertical cavity surface emitting laser | Toshiyuki Tanahashi, Takashi Ishizuka, Susumu Yoshimoto, Takamichi Sumitomo, Koji Nishizuka +1 more | 2020-03-17 |
| 9887310 | Semiconductor layered structure, method for producing semiconductor layered structure, and method for producing semiconductor device | Katsushi Akita, Takashi Kyono, Koji Nishizuka, Kaoru Shibata | 2018-02-06 |
| 9818895 | Semiconductor device, optical sensor device and semiconductor device manufacturing method | Katsushi Akita, Takashi Ishizuka, Hideaki Nakahata, Yasuhiro Iguchi, Hiroshi Inada +1 more | 2017-11-14 |
| 9773932 | Epitaxial wafer and method for manufacturing same | Koji Nishizuka, Takashi Kyono, Kaoru Shibata, Katsushi Akita | 2017-09-26 |
| 9698287 | Epitaxial wafer, method for producing the same, semiconductor element, and optical sensor device | Kaoru Shibata, Katsushi Akita | 2017-07-04 |
| 9680040 | Semiconductor device and method for manufacturing the same | Kaoru Shibata, Katsushi Akita, Takashi Ishizuka | 2017-06-13 |
| 9608148 | Semiconductor element and method for producing the same | Takashi Kyono, Katsushi Akita | 2017-03-28 |
| 9190544 | Photodiode, optical sensor device, and photodiode manufacturing method | Takashi Ishizuka, Katsushi Akita, Yasuhiro Iguchi, Hiroshi Inada, Youichi Nagai | 2015-11-17 |
| 9171978 | Epitaxial wafer, method for producing the same, photodiode, and optical sensor device | Kaoru Shibata, Katsushi Akita | 2015-10-27 |
| 9159853 | Group III-V compound semiconductor photo detector, method of fabricating group III-V compound semiconductor photo detector, photo detector, and epitaxial wafer | Katsushi Akita, Takashi Ishizuka, Youichi Nagai | 2015-10-13 |
| 9129808 | Epitaxial wafer, photodiode, optical sensor device, and methods for producing epitaxial wafer and photodiode | Katsushi Akita, Takashi Ishizuka | 2015-09-08 |
| 9123843 | Semiconductor device | Takashi Kyono, Katsushi Akita, Kaoru Shibata, Koji Nishizuka | 2015-09-01 |
| 9040955 | Semiconductor device, optical sensor device and semiconductor device manufacturing method | Katsushi Akita, Takashi Ishizuka, Hideaki Nakahata, Yasuhiro Iguchi, Hiroshi Inada +1 more | 2015-05-26 |
| 8921829 | Light receiving element, light receiving element array, hybrid-type detecting device, optical sensor device, and method for producing light receiving element array | Yasuhiro Iguchi, Hiroshi Inada, Youichi Nagai, Hideaki Nakahata, Katsushi Akita +1 more | 2014-12-30 |
| 8866199 | Group III-V compound semiconductor photo detector, method of fabricating group III-V compound semiconductor photo detector, photo detector, and epitaxial wafer | Katsushi Akita, Takashi Ishizuka, Youichi Nagai | 2014-10-21 |
| 8822977 | Photodetector and method of manufacturing the photodetector | Katsushi Akita, Takashi Ishizuka, Hideaki Nakahata, Youichi Nagai, Hiroshi Inada +1 more | 2014-09-02 |
| 8642943 | Semiconductor wafer, light-receiving element, light-receiving element array, hybrid-type detection device, optical sensor device, and process for production of semiconductor wafer | Hiroki Mori, Yasuhiro Iguchi, Hiroshi Inada, Youichi Nagai, Kouhei Miura +3 more | 2014-02-04 |
| 8548021 | III-nitride semiconductor laser, and method for fabricating III-nitride semiconductor laser | Masaki Ueno, Katsushi Akita, Takashi Kyono, Yusuke Yoshizumi, Takamichi Sumitomo +1 more | 2013-10-01 |
| 8461570 | Semiconductor device and manufacturing method thereof | Takashi Ishizuka, Katsushi Akita, Youichi Nagai, Tatsuya Tanabe | 2013-06-11 |
| 8309380 | Photodiode array, method for manufacturing photodiode array, epitaxial wafer, and method for manufacturing epitaxial wafer | Katsushi Akita, Takashi Ishizuka, Youichi Nagai, Hideaki Nakahata | 2012-11-13 |
| 8252372 | Method of forming sprayed film on the inner surface of a bore | Daisuke Terada, Kiyohisa Suzuki, Eiji Shiotani, Akira Shimizu, Akiharu Tashiro | 2012-08-28 |
| 8198623 | Photodiode array, method for manufacturing photodiode array, epitaxial wafer, and method for manufacturing epitaxial wafer | Katsushi Akita, Takashi Ishizuka, Youichi Nagai, Hideaki Nakahata | 2012-06-12 |
| 7874893 | Honing method and honing control device | Akiharu Tashiro, Takayuki Monchujo, Kiyohisa Suzuki, Jun Inomata, Ryuji Fukada +2 more | 2011-01-25 |
| 7052401 | Sealing structure for cross shaft | Kouichirou Mizuno | 2006-05-30 |