Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11908972 | Semiconductor light-emitting device and optical coupling device | Akira Tanaka, Hideto Sugawara, Katsufumi Kondo, Masanobu Iwamoto, Hiroaki Ootsuka | 2024-02-20 |
| 11114822 | Optical semiconductor element | Masanobu Iwamoto, Hideto Sugawara | 2021-09-07 |
| 8629468 | Method for manufacturing light emitting device and light emitting device | Chisato Furukawa | 2014-01-14 |
| 7957143 | Motor controller | — | 2011-06-07 |
| 7898806 | Motor controller | — | 2011-03-01 |
| 7733650 | Motor controller | Hideharu Okayama, Shuhei Nohara, Toshio Omata | 2010-06-08 |
| 7679915 | Motor control apparatus and method of assembling motor control apparatus | Shuhei Nohara, Shigekatsu Nagatomo | 2010-03-16 |
| D562233 | Inverter controller | Shigekatsu Nagatomo, Koji Nuki, Takayuki Morihara | 2008-02-19 |
| D562234 | Inverter controller | Takayuki Morihara, Shigekatsu Nagatomo, Koji Nuki | 2008-02-19 |
| D561095 | Inverter controller | Masafumi Sakai, Shigekatsu Nagatomo, Takayuki Morihara | 2008-02-05 |
| 6921328 | Cooling device for electric equipment | Shuhei Nohara, Hiromi Imamura, Masayuki Ono | 2005-07-26 |
| D455399 | Inverter controller | Shintaro Imamura, Makoto Kojyo, Shigekatsu Nagatomo | 2002-04-09 |
| 6320207 | Light emitting device having flat growth GaN layer | Chisato Furukawa, Masayuki Ishikawa, Hideto Sugawara | 2001-11-20 |
| 6017807 | P-type GaN compound semiconductor and method for manufacturing the same | Chisato Furukawa, Masayuki Ishikawa, Hideto Sugawara | 2000-01-25 |
| 5930656 | Method of fabricating a compound semiconductor device | Chisato Furukawa, Masayuki Ishikawa, Hideto Sugawara | 1999-07-27 |