Issued Patents All Time
Showing 1–25 of 35 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 6337531 | Surface-acoustic-wave device | Hideaki Nakahata, Masashi Narita, Akihiro Hachigo | 2002-01-08 |
| 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 |
| 6051063 | Diamond wafer and method of producing a diamond wafer | Keiichiro Tanabe, Yuichiro Seki, Akihiko Ikegaya, Naoji Fujimori, Hideaki Nakahata | 2000-04-18 |
| 6025636 | Surface acoustic wave device incorporating single crystal LiNbO.sub.3 | Hideaki Nakahata, Masashi Narita, Kenjiro Higaki, Satoshi Fujii, Hiroyuki Kitabayashi | 2000-02-15 |
| 5976909 | Method of forming diamond heat sink comprising synthetic diamond film | Hiromu Shiomi, Hideaki Nakahata, Yoshiki Nishibayashi | 1999-11-02 |
| 5959389 | Diamond-ZnO surface acoustic wave device | Hideaki Nakahata, Tomoki Uemura, Kenjiro Higaki, Satoshi Fujii, Hiroyuki Kitabayashi | 1999-09-28 |
| 5943555 | Micro mechanical component and production process thereof | Hiromu Shiomi, Yoshiki Nishibayashi | 1999-08-24 |
| 5903015 | Field effect transistor using diamond | Hiromu Shiomi, Yoshiki Nishibayashi | 1999-05-11 |
| 5891557 | Surface acoustic wave device and diamond base material for the same | Hideaki Nakahata, Kenjiro Higaki, Satoshi Fujii, Akihiro Hachigo | 1999-04-06 |
| 5891519 | Surface acoustic wave device and diamond base material for the same | Hideaki Nakahata, Kenjiro Higaki, Satoshi Fujii, Akihiro Hachigo | 1999-04-06 |
| 5888646 | Surface acoustic wave device | Yoshihiro Takahashi, Yasushi Yamamoto, Natsuhiko Sakairi, Hideaki Nakahata, Kenjiro Higaki +2 more | 1999-03-30 |
| 5874775 | Diamond heat sink including microchannel therein and methods for manufacturing diamond heat sinks | Hiromu Shiomi, Hideaki Nakahata, Yoshiki Nishibayashi | 1999-02-23 |
| 5844252 | Field emission devices having diamond field emitter, methods for making same, and methods for fabricating porous diamond | Hiromu Shiomi, Yoshiki Nishibayashi, Tadashi Tomikawa | 1998-12-01 |
| 5838090 | Surface acoustic wave device | Hideaki Nakahata, Kenjiro Higaki, Satoshi Fujii, Hiroyuki Kitabayashi | 1998-11-17 |
| 5812573 | Semiconductor lasers comprising rare earth metal-doped diamond | Hiromu Shiomi, Yoshiki Nishibayashi | 1998-09-22 |
| 5783896 | Diamond-Zn0 surface acoustic wave device | Hideaki Nakahata, Kenjiro Higaki, Satoshi Fujii, Hiroyuki Kitabayashi | 1998-07-21 |
| 5776246 | Diamond wafer and method of producing a diamond wafer | Keiichiro Tanabe, Yuichiro Seki, Akihiko Ikegaya, Naoji Fujimori, Hideaki Nakahata | 1998-07-07 |
| 5777422 | Diamond-ZnO surface acoustic wave device having relatively thinner ZnO piezoelectric layer | Hiroyuki Kitabayashi, Hideaki Nakahata, Kenjiro Higaki, Satoshi Fujii | 1998-07-07 |
| 5757032 | Semiconductor diamond device having improved metal-diamond contact for excellent operating stability at elevated temperature | Yoshiki Nishibayashi, Hiromu Shiomi | 1998-05-26 |
| 5750243 | Surface acoustic wave device and diamond base material for the same | Hideaki Nakahata, Kenjiro Higaki, Satoshi Fujii, Akihiro Hachigo | 1998-05-12 |
| 5729074 | Micro mechanical component and production process thereof | Hiromu Shiomi, Yoshiki Nishibayashi | 1998-03-17 |
| 5670796 | Semiconductor device consisting of a semiconductor material having a deep impurity level | Yoshiki Nishibayashi, Naoji Fujimori, Takeshi Kobayashi | 1997-09-23 |
| 5668382 | Ohmic electrode and method for forming it | Naohiro Toda, Yoshiki Nishibayashi, Tadashi Tomikawa | 1997-09-16 |