Issued Patents All Time
Showing 26–50 of 51 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8475593 | Crystal preparing device, crystal preparing method, and crystal | Seiji Sarayama, Akihiro Fuse | 2013-07-02 |
| 8337798 | Crystal producing apparatus, crystal producing method, substrate producing method, gallium nitride crystal, and gallium nitride substrate | Seiji Sarayama | 2012-12-25 |
| 8337617 | Manufacturing method and manufacturing apparatus of a group III nitride crystal | Seiji Sarayama, Minoru Fukuda, Tetsuya Takahashi, Akira Takahashi | 2012-12-25 |
| 8323404 | Group III nitride crystal and manufacturing method thereof | Seiji Sarayama, Akihiro Fuse | 2012-12-04 |
| 8194266 | Positional error detection method and apparatus, and computer-readable storage medium | Tatsuya Miyadera, Kenji Asuwa, Izumi Kinoshita, Hiroaki Ikeda, Tatsuya Ozaki +1 more | 2012-06-05 |
| 8101020 | Crystal growth apparatus and manufacturing method of group III nitride crystal | Seiji Sarayama, Akihiro Fuse | 2012-01-24 |
| 7981213 | Group III nitride crystal, crystal growth process and crystal growth apparatus of group III nitride | Seiji Sarayama | 2011-07-19 |
| 7828896 | Methods of growing a group III nitride crystal | Seiji Sarayama, Hisanori Yamane, Masahiko Shimada, Masato Aoki | 2010-11-09 |
| 7718002 | Crystal manufacturing apparatus | Seiji Sarayama | 2010-05-18 |
| 7531038 | Crystal growth method | Seiji Sarayama, Hisanori Yamane, Masahiko Shimada, Masafumi Kumano, Takashi Araki | 2009-05-12 |
| 7508003 | Production of a GaN bulk crystal substrate and a semiconductor device formed thereon | Seiji Sarayama, Masahiko Shimada, Hisanori Yamane | 2009-03-24 |
| 7462238 | Crystal growth apparatus and method of producing a crystal | Seiji Sarayama, Akihiro Fuse, Kuniaki Ara, Junichi Saito | 2008-12-09 |
| 7261775 | Methods of growing a group III nitride crystal | Seiji Sarayama, Hisanori Yamane, Masahiko Shimada, Masato Aoki | 2007-08-28 |
| 7250640 | Production of a GaN bulk crystal substrate and a semiconductor device formed on a GaN bulk crystal substrate | Seiji Sarayama, Masahiko Shimada, Hisanori Yamane | 2007-07-31 |
| 7235913 | Piezoelectric substrate, piezoelectric resonating element and surface-mount piezoelectric oscillator | — | 2007-06-26 |
| 7220311 | Group III nitride crystal, crystal growth process and crystal growth apparatus of group III nitride | Seiji Sarayama | 2007-05-22 |
| 7098574 | Piezoelectric resonator and method for manufacturing the same | — | 2006-08-29 |
| 7038359 | Piezoelectric resonator and the method for making the same | — | 2006-05-02 |
| 7012353 | Piezoelectric resonator and the method for making the same | — | 2006-03-14 |
| 7001457 | Crystal growth method, crystal growth apparatus, group-III nitride crystal and group-III nitride semiconductor device | Seiji Sarayama, Hisanori Yamane, Masahiko Shimada, Masafumi Kumano, Takashi Araki | 2006-02-21 |
| 6949140 | Crystal growth method, crystal growth apparatus, group-III nitride crystal and group-III nitride semiconductor device | Seiji Sarayama, Masahiko Shimada, Hisanori Yamane, Masato Aoki | 2005-09-27 |
| 6750593 | High frequency piezoelectric resonator having reduced spurious modes | — | 2004-06-15 |
| 6592663 | Production of a GaN bulk crystal substrate and a semiconductor device formed on a GaN bulk crystal substrate | Seiji Sarayama, Masahiko Shimada, Hisanori Yamane | 2003-07-15 |
| 6294033 | Lamination apparatus and sheet roll for use in lamination apparatus | Mutsuo Fukuoka | 2001-09-25 |
| 5684523 | Optical line printhead and an LED chip used therefor | Shunichi Satoh, Takashi Takahashi, Hiroyuki Iechi, Tomoaki Yoshida, Chizuru Yoshida, legal representative +1 more | 1997-11-04 |