Issued Patents All Time
Showing 51–75 of 84 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7675222 | Thin film piezoelectric actuator | Takashi Kawakubo, Ryoichi Ohara, Toshihiko Nagano, Michihiko Nishigaki, Takaaki Yasumoto +2 more | 2010-03-09 |
| 7642542 | Semiconductor light-emitting device and producing method for the same | Mariko Suzuki, Tadashi Sakai, Naoshi Sakuma, Hiroaki Yoshida | 2010-01-05 |
| 7605527 | Discharge lamp and discharge electrode having an electron-emitting layer including a plurality of protrusions separated by grooves | Tadashi Sakai, Naoshi Sakuma, Hiroaki Yoshida, Mariko Suzuki | 2009-10-20 |
| 7538423 | Heat sink, electronic device, method of manufacturing heat sink, and method of manufacturing electronic device | Tadashi Sakai, Naoshi Sakuma, Hiroaki Yoshida, Mariko Suzuki | 2009-05-26 |
| 7528535 | Cold cathode, cold cathode discharge lamp, and method for producing the same | Tadashi Sakai, Naoshi Sakuma, Mariko Suzuki, Hiroaki Yoshida | 2009-05-05 |
| 7471031 | Piezoelectric MEMS element and tunable filter equipped with the piezoelectric MEMS element | Takashi Kawakubo, Toshihiko Nagano, Kazuhide Abe, Michihiko Nishigaki | 2008-12-30 |
| 7459833 | Thin film piezoelectric actuator | Takashi Kawakubo, Ryoichi Ohara, Toshihiko Nagano, Michihiko Nishigaki, Takaaki Yasumoto +2 more | 2008-12-02 |
| 7423369 | Cold cathode for discharge lamp having diamond film | Tadashi Sakai, Naoshi Sakuma, Hiroaki Yoshida, Mariko Suzuki | 2008-09-09 |
| 7348718 | Discharge electrode implemented by a wide bandgap semiconductor and a discharge lamp using the same | Tadashi Sakai, Naoshi Sakuma, Mariko Suzuki, Hiroaki Yoshida | 2008-03-25 |
| 7134343 | Opto-acoustoelectric device and methods for analyzing mechanical vibration and sound | Kazuhiro Suzuki, Hideyuki Funaki, Keitaro Shigenaka, Tadashi Sakai, Yujiro Naruse +2 more | 2006-11-14 |
| 7034447 | Discharge lamp with conductive micro-tips | Tadashi Sakai, Naoshi Sakuma, Mariko Suzuki | 2006-04-25 |
| 6952075 | Cold cathode and cold cathode discharge device | Tadashi Sakai, Naoshi Sakuma, Zhang Li | 2005-10-04 |
| 6781294 | Cold cathode and cold cathode discharge device | Tadashi Sakai, Naoshi Sakuma, Zhang Li | 2004-08-24 |
| 6753488 | Microswitch and method of manufacturing the same | Tadashi Sakai, Naoshi Sakuma, Mariko Suzuki | 2004-06-22 |
| 6456014 | Field emission device | Tadashi Sakai, Li Zhang | 2002-09-24 |
| 6323831 | Electron emitting device and switching circuit using the same | Tadashi Sakai, Naoshi Sakuma, Kazuya Nakayama | 2001-11-27 |
| 6297586 | Cold-cathode power switching device of field-emission type | Kazuya Nakayama, Tadashi Sakai, Naoshi Sakuma | 2001-10-02 |
| 6281621 | Field emission cathode structure, method for production thereof, and flat panel display device using same | Masayuki Nakamoto, Tadashi Sakai | 2001-08-28 |
| 6103133 | Manufacturing method of a diamond emitter vacuum micro device | Naoshi Sakuma, Tadashi Sakai | 2000-08-15 |
| 6057636 | Micro power switch using a cold cathode and a driving method thereof | Tadashi Sakai, Naoshi Sakuma, Hiromichi Ohashi, Kazuya Nakayama | 2000-05-02 |
| 5898258 | Field emission type cold cathode apparatus and method of manufacturing the same | Tadashi Sakai, Li Zhang | 1999-04-27 |
| 5847496 | Field emission device including a resistive layer | Masayuki Nakamoto | 1998-12-08 |
| 5749762 | Field emission cold cathode and method for production thereof | Masayuki Nakamoto | 1998-05-12 |
| 5727976 | Method of producing micro vacuum tube having cold emitter | Masayuki Nakamoto | 1998-03-17 |
| 5721467 | Quantum inclusion effect lateral field emitter | Li Zhang, Tadashi Sakai, Takashi Yamauchi | 1998-02-24 |