Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9653589 | Semiconductor multi-layer substrate, semiconductor device, and method for manufacturing the same | Kazuyuki UMENO, Tatsuyuki Shinagawa, Keishi Takaki, Ryosuke Tamura | 2017-05-16 |
| 8093626 | Normally-off field effect transistor using III-nitride semiconductor and method for manufacturing such transistor | Yuki Niiyama, Tatsuyuki Shinagawa, Takehiko Nomura, Seikoh Yoshida, Hiroshi Kambayashi | 2012-01-10 |
| 8072002 | Field effect transistor | Yuki Niyama, Seikoh Yoshida, Hiroshi Kambayashi, Takehiko Nomura, Masayuki Iwami | 2011-12-06 |
| 7679104 | Vertical type semiconductor device and manufacturing method of the device | Yoshihiro Sato, Sadahiro Kato, Masayuki Iwami, Hitoshi Sasaki, Yuki Niiyama | 2010-03-16 |