Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9875899 | Semiconductor transistor | Hiroshi Kambayashi, Katsunori Ueno, Yoshihiro Sato, Akinobu Teramoto, Tadahiro Ohmi | 2018-01-23 |
| 9048302 | Field effect transistor having semiconductor operating layer formed with an inclined side wall | Yoshihiro Sato, Hiroshi Kambayashi, Yuki Niiyama, Seikoh Yoshida, Masayuki Iwami +1 more | 2015-06-02 |
| 8450782 | Field effect transistor, method of manufacturing field effect transistor, and method of forming groove | Yoshihiro Sato, Nariaki Ikeda, Takuya Kokawa, Masayuki Iwami, Sadahiro Kato | 2013-05-28 |
| 8441105 | Semiconductor device, wafer structure and method for fabricating semiconductor device | Yoshihiro Sato | 2013-05-14 |
| 8421182 | Field effect transistor having MOS structure made of nitride compound semiconductor | Seikoh Yoshida, Sadahiro Kato | 2013-04-16 |
| 8350293 | Field effect transistor and method of manufacturing the same | Tat-Sing P. Chow, Yuki Niiyama, Hiroshi Kambayashi, Seikoh Yoshida | 2013-01-08 |
| 8309988 | Field effect transistor | Yuki Niiyama, Sadahiro Kato | 2012-11-13 |
| 8304809 | GaN-based semiconductor device and method of manufacturing the same | Shusuke Kaya, Seikoh Yoshida, Sadahiro Kato, Nariaki Ikeda, Masayuki Iwami +3 more | 2012-11-06 |
| 8283700 | Field effect transistor and manufacturing method thereof | Yoshihiro Sato | 2012-10-09 |
| 8093626 | Normally-off field effect transistor using III-nitride semiconductor and method for manufacturing such transistor | Yuki Niiyama, Shinya Ootomo, Tatsuyuki Shinagawa, Seikoh Yoshida, Hiroshi Kambayashi | 2012-01-10 |
| 8072002 | Field effect transistor | Yuki Niyama, Seikoh Yoshida, Hiroshi Kambayashi, Masayuki Iwami, Shinya Ootomo | 2011-12-06 |
| 7998848 | Method of producing field effect transistor | Yuki Niiyama, Seikoh Yoshida, Hiroshi Kambayashi | 2011-08-16 |
| 7943496 | Method of manufacturing GaN-based transistors | Nariaki Ikeda, Shusuke Kaya, Sadahiro Kato | 2011-05-17 |
| 7855155 | Process for producing semiconductor device using optical absorption layer | Yuki Niiyama, Hiroshi Kambayashi, Seikoh Yoshida | 2010-12-21 |
| 7821035 | ED inverter circuit and integrate circuit element including the same | Hiroshi Kambayashi, Yuki Niiyama, Seikoh Yoshida | 2010-10-26 |
| 7812371 | GaN based semiconductor element | Shusuke Kaya, Seikoh Yoshida, Sadahiro Kato, Nariaki Ikeda, Masayuki Iwami +3 more | 2010-10-12 |
| 7304730 | Inspection apparatus having two sensors, method for inspecting an object, and a method for manufacturing a photolithography mask | Hiromu Inoue, Toru Tojo, Shinichi Imai | 2007-12-04 |
| 7106978 | Optical module, optical transmission apparatus, WDM optical transmission device, and method for stabilizing laser wavelength | Hideyuki Nasu, Kumiko Imai | 2006-09-12 |
| 6914921 | Optical filter, laser module, and wavelength locker module | Yasuhiro Nishi, Hideyuki Nasu, Hiroshi Matsuura, Atsushi Shimizu, Jun Yoshino | 2005-07-05 |
| 6905261 | Optical fiber module lead frame and optical fiber module | Sonomi Ishii, Masayuki Iwase | 2005-06-14 |
| 6882761 | Silicon platform for optical modules | Masayuki Iwase | 2005-04-19 |
| 6856633 | Optical module, transmitter and WDM transmitting device | Hideyuki Nasu | 2005-02-15 |
| 6856475 | Optical module having temperature adjustment features | Hideyuki Nasu, Tatsuhiko Ueki, Mamoru Shimada | 2005-02-15 |
| 6822986 | Method of controlling a wavelength of a semiconductor laser, optical module, optical transmitter, WDM optical transmission apparatus, and method of controlling a wavelength of an optical module | Hideyuki Nasu, Mizuki Oike | 2004-11-23 |
| 6807208 | Laser module | Hideyuki Nasu, Tatsuhiko Ueki, Mamoru Shimada, Yuji Hiratani | 2004-10-19 |