Issued Patents All Time
Showing 25 most recent of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10056247 | Method of manufacturing silicon carbide semiconductor device | Mitsuhiko Sakai | 2018-08-21 |
| 9646834 | Method for manufacturing semiconductor device | — | 2017-05-09 |
| 9543154 | Method for manufacturing semiconductor device | — | 2017-01-10 |
| 9449823 | Method for manufacturing silicon carbide semiconductor device | — | 2016-09-20 |
| 9384981 | Method of manufacturing silicon carbide semiconductor device | Hideto Tamaso, Keiji Wada | 2016-07-05 |
| 9330916 | Method of manufacturing silicon carbide semiconductor device | — | 2016-05-03 |
| 9331164 | Silicon carbide semiconductor device | — | 2016-05-03 |
| 8916462 | Method for manufacturing semiconductor device | Hideto Tamaso, Taku Horii | 2014-12-23 |
| 8227279 | Manufacturing method of a semiconductor element | Koji Katayama, Satoshi Arakawa | 2012-07-24 |
| 7560740 | Light-emitting device | Youichi Nagai, Koji Katayama | 2009-07-14 |
| 7547910 | Semiconductor light-emitting device and method of manufacturing semiconductor light-emitting device | Katsushi Akita, Yusuke Yoshizumi, Takashi Kyono, Koji Katayama | 2009-06-16 |
| 7491974 | Light-emitting device | Youichi Nagai, Koji Katayama | 2009-02-17 |
| 7476909 | Light emitting device | Youichi Nagai, Hirohisa Saito, Ayako Ikeda | 2009-01-13 |
| 7423284 | Light emitting device, method for making the same, and nitride semiconductor substrate | Youichi Nagai, Koji Katayama | 2008-09-09 |
| 6356006 | Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device | Satoshi Fujii, Yuichiro Seki, Kentaro Yoshida, Hideaki Nakahata, Kenjiro Higaki +2 more | 2002-03-12 |
| 6320296 | Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device | Satoshi Fujii, Yuichiro Seki, Kentaro Yoshida, Hideaki Nakahata, Kenjiro Higaki +2 more | 2001-11-20 |
| 6210780 | Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device | Satoshi Fujii, Yuichiro Seki, Kentaro Yoshida, Hideaki Nakahata, Kenjiro Higaki +2 more | 2001-04-03 |
| 6025636 | Surface acoustic wave device incorporating single crystal LiNbO.sub.3 | Hideaki Nakahata, Masashi Narita, Kenjiro Higaki, Satoshi Fujii, Shin-ichi Shikata | 2000-02-15 |
| 5959389 | Diamond-ZnO surface acoustic wave device | Hideaki Nakahata, Tomoki Uemura, Kenjiro Higaki, Satoshi Fujii, Shin-ichi Shikata | 1999-09-28 |
| 5888646 | Surface acoustic wave device | Yoshihiro Takahashi, Yasushi Yamamoto, Natsuhiko Sakairi, Shin-ichi Shikata, Hideaki Nakahata +2 more | 1999-03-30 |
| 5838090 | Surface acoustic wave device | Hideaki Nakahata, Kenjiro Higaki, Satoshi Fujii, Shin-ichi Shikata | 1998-11-17 |
| 5814918 | Diamond-ZnO surface acoustic wave device | Hideaki Nakahata, Kenjiro Higaki, Satoshi Fujii, Shinichi Shikata | 1998-09-29 |
| 5783896 | Diamond-Zn0 surface acoustic wave device | Hideaki Nakahata, Kenjiro Higaki, Satoshi Fujii, Shin-ichi Shikata | 1998-07-21 |
| 5777422 | Diamond-ZnO surface acoustic wave device having relatively thinner ZnO piezoelectric layer | Hideaki Nakahata, Kenjiro Higaki, Satoshi Fujii, Shin-ichi Shikata | 1998-07-07 |
| 5531087 | Metal sheet bending machine | Yoshiaki Kuroda, Ikuo Kamada, Toshiyuki Ooenoki | 1996-07-02 |