Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8466549 | Semiconductor device for power conversion | Kentaro Ochi, Akira Mishima, Takuro Kanazawa, Katsuo Ishizaka, Norio Kido | 2013-06-18 |
| 8035222 | Semiconductor device | Kentaro Ochi, Akira Mishima, Takuro Kanazawa, Katsuo Ishizaka, Norio Kido | 2011-10-11 |
| 7872348 | Semiconductor device | Kentaro Ochi, Akira Mishima, Takuro Kanazawa, Katsuo Ishizaka, Norio Kido | 2011-01-18 |
| 7482861 | Semiconductor integrated circuit device, and method of manufacturing the same | Atsushi Fujiki | 2009-01-27 |
| 7312501 | Semiconductor device | Katuo Ishizaka | 2007-12-25 |
| 6847058 | Semiconductor device | Katuo Ishizaka | 2005-01-25 |
| 6218889 | Semiconductor integrated circuit device, and method of manufacturing the same | Atsushi Fujiki | 2001-04-17 |
| 6148536 | Two-fluid nozzle and device employing the same nozzle for freezing and drying liquid containing biological substances | — | 2000-11-21 |
| 5656498 | Freeze-dried blood cells, stem cells and platelets, and manufacturing method for the same | Yoshikazu Ishii, Nobuhiro Funakoshi, Keiji Okada | 1997-08-12 |
| 5642252 | Insulated gate semiconductor device and driving circuit device and electronic system both using the same | Kozo Sakamoto, Isao Yoshida, Shigeo Otaka, Harutora Shono, Ken Uchid +2 more | 1997-06-24 |
| 5502338 | Power transistor device having collector voltage clamped to stable level over wide temperature range | Minoru Suda, Masatoshi Nakasu | 1996-03-26 |
| 5397914 | Power transistor device including power transistors in darlington connection and zener diode which is coupled between collector and base of power transistors and which is formed in polysilicon film | Minoru Suda, Masatoshi Nakasu | 1995-03-14 |
| 5196354 | Method of manufacturing semiconductor device with controlled carrier lifetime | Shigeo Ohtaka, Akio Andoo | 1993-03-23 |
| 5051970 | Magneto-optic recording system with overwrite capability | Osamu Ishii, Koutarou Nonaka, Iwao Hatakeyama | 1991-09-24 |
| 4831424 | Insulated gate semiconductor device with back-to-back diodes | Isao Yoshida, Takeaki Okabe, Mitsuo Ito, Kazutoshi Ashikawa | 1989-05-16 |
| 4688323 | Method for fabricating vertical MOSFETs | Isao Yoshida, Takeaki Okabe, Mitsuo Ito, Kazutoshi Ashikawa | 1987-08-25 |