Issued Patents All Time
Showing 51–75 of 106 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7691732 | Manufacturing method of nitride substrate, nitride substrate, and nitride-based semiconductor device | Takuji Okahisa, Koji Uematsu | 2010-04-06 |
| 7528055 | Method of producing a nitride semiconductor device and nitride semiconductor device | Seiji Nakahata, Koji Uematsu | 2009-05-05 |
| 7387989 | AlxGayInl−x−yN substrate, cleaning method of AlxGayInl−x−yN substrate, AlN substrate, and cleaning method of AlN substrate | Tomoki Uemura, Keiji Ishibashi, Shinsuke Fujiwara | 2008-06-17 |
| 7129525 | Semiconductor light-emitting device | Koji Uematsu, Masaki Ueno, Ryu Hirota, Manabu Okui | 2006-10-31 |
| 6984918 | Saw device | Akihiro Hachigo, Katsuhiro Itakura, Satoshi Fujii, Shinichi Shikata | 2006-01-10 |
| 6713941 | Surface acoustic wave element | Katsuhiro Itakura, Akihiro Hachigo, Satoshi Fujii, Shinichi Shikata | 2004-03-30 |
| 6710513 | Surface acoustic wave device and substrate thereof | Akihiro Hachigo, Natsuo Tatsumi, Takahiro Imai, Shinichi Shikata | 2004-03-23 |
| 6661152 | Diamond substrate for surface acoustic wave device, and surface acoustic wave device | Keiji Ishibashi, Takahiro Imai, Tomoki Uemura, Daichi Kawaguchi, Satoshi Fujii | 2003-12-09 |
| 6642813 | Surface acoustic wave device utilizing a ZnO layer and a diamond layer | Katsuhiro Itakura, Akihiro Hachigo, Satoshi Fujii, Shinichi Shikata | 2003-11-04 |
| 6469416 | Surface acoustic wave device | Katsuhiro Itakura, Akihiro Hachigo, Satoshi Fujii, Shinichi Shikata | 2002-10-22 |
| 6448688 | Hard carbon film and surface-acoustic-wave substrate | Satoshi Fujii, Tomoki Uemura, Yuichiro Seki, Shinichi Shikata | 2002-09-10 |
| 6416865 | Hard carbon film and surface acoustic-wave substrate | Satoshi Fujii, Tomoki Uemura, Yuichiro Seki, Shinichi Shikata | 2002-07-09 |
| 6356006 | Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device | Satoshi Fujii, Yuichiro Seki, Kentaro Yoshida, Kenjiro Higaki, Hiroyuki Kitabayashi +2 more | 2002-03-12 |
| 6337531 | Surface-acoustic-wave device | Masashi Narita, Akihiro Hachigo, Shin-ichi Shikata | 2002-01-08 |
| 6320296 | Diamond wafer, method of estimating a diamond wafer and diamond surface acoustic wave device | Satoshi Fujii, Yuichiro Seki, Kentaro Yoshida, Kenjiro Higaki, Hiroyuki Kitabayashi +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, Kenjiro Higaki, Hiroyuki Kitabayashi +2 more | 2001-04-03 |
| 6051063 | Diamond wafer and method of producing a diamond wafer | Keiichiro Tanabe, Yuichiro Seki, Akihiko Ikegaya, Naoji Fujimori, Shin-ichi Shikata | 2000-04-18 |
| 6025636 | Surface acoustic wave device incorporating single crystal LiNbO.sub.3 | Masashi Narita, Kenjiro Higaki, Satoshi Fujii, Hiroyuki Kitabayashi, Shin-ichi Shikata | 2000-02-15 |
| 5976909 | Method of forming diamond heat sink comprising synthetic diamond film | Hiromu Shiomi, Yoshiki Nishibayashi, Shin-ichi Shikata | 1999-11-02 |
| 5959389 | Diamond-ZnO surface acoustic wave device | Tomoki Uemura, Kenjiro Higaki, Satoshi Fujii, Hiroyuki Kitabayashi, Shin-ichi Shikata | 1999-09-28 |
| 5891519 | Surface acoustic wave device and diamond base material for the same | Shin-ichi Shikata, Kenjiro Higaki, Satoshi Fujii, Akihiro Hachigo | 1999-04-06 |
| 5891557 | Surface acoustic wave device and diamond base material for the same | Shin-ichi Shikata, Kenjiro Higaki, Satoshi Fujii, Akihiro Hachigo | 1999-04-06 |
| 5888646 | Surface acoustic wave device | Yoshihiro Takahashi, Yasushi Yamamoto, Natsuhiko Sakairi, Shin-ichi Shikata, Kenjiro Higaki +2 more | 1999-03-30 |
| 5874775 | Diamond heat sink including microchannel therein and methods for manufacturing diamond heat sinks | Hiromu Shiomi, Yoshiki Nishibayashi, Shin-ichi Shikata | 1999-02-23 |
| 5838090 | Surface acoustic wave device | Kenjiro Higaki, Satoshi Fujii, Hiroyuki Kitabayashi, Shin-ichi Shikata | 1998-11-17 |