Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7897990 | Semiconductor light emitting element mounting member, and semiconductor light emitting device employing it | Teruo Amoh, Sadamu Ishidu, Kenjiro Higaki, Hiroshi Fukuda | 2011-03-01 |
| 7737562 | Semiconductor element mount, semiconductor device, imaging device, light emitting diode component and light emitting diode | Kenjiro Higaki, Daisuke Takagi, Sadamu Ishidu | 2010-06-15 |
| 7649270 | Collective substrate, semiconductor element mount, semiconductor device, imaging device, light emitting diode component and light emitting diode | Kenjiro Higaki, Daisuke Takagi, Sadamu Ishidu | 2010-01-19 |
| 7622203 | Aluminum nitride sintered compact | Yasushi Itoh, Sadamu Ishidu | 2009-11-24 |
| 7518155 | Light emitting element mounting member, and semiconductor device using the same | Sadamu Ishidu, Kenjiro Higaki, Takashi Ishii | 2009-04-14 |
| 7504671 | Semiconductor device | Sadamu Ishidu, Kenjiro Higaki, Takashi Ishii | 2009-03-17 |
| 7491980 | Semiconductor light-emitting device mounting member, light-emitting diode constituting member using same, and light-emitting diode using same | Kenjiro Higaki, Sadamu Ishidu, Teruo Amoh | 2009-02-17 |
| 7420223 | Semiconductor device | Sadamu Ishidu, Kenjiro Higaki, Takashi Ishii | 2008-09-02 |
| 7335925 | Semiconductor device | Sadamu Ishidu, Kenjiro Higaki, Takashi Ishii | 2008-02-26 |
| 7298049 | Submount for mounting semiconductor device | Teruo Amoh, Takashi Ishii, Kenjiro Higaki | 2007-11-20 |
| 7196356 | Submount and semiconductor device | Takashi Ishii, Kenjiro Higaki | 2007-03-27 |
| 7015583 | Submount and semiconductor device | Takashi Ishii, Kenjiro Higaki | 2006-03-21 |
| 6458298 | Process for molding ceramics | Tomoyuki Awazu, Akira Yamakawa | 2002-10-01 |
| 5879078 | Device for producing ceramic sintered body | Jin-Joo Matsui, Akira Yamakawa | 1999-03-09 |
| 5538927 | Silicon nitride powder and its manufacturing | Tomoyuki Awazu, Akira Yamakawa | 1996-07-23 |
| 5533930 | Apparatus for producing a silicon nitride sintered body | Shin-ichi Yamagata, Akira Yamakawa | 1996-07-09 |
| 5394015 | Method of producing sintered silicon nitrides | Tomoyuki Awazu, Akira Yamakawa | 1995-02-28 |
| 5385701 | Method of molding silicon nitride ceramics | Tomoyuki Awazu, Osamu Komura, Akira Yamakawa | 1995-01-31 |
| 5082594 | Material for polarizable electrode | Toshio Tanaka, Yasuhiro Iizuka | 1992-01-21 |