Issued Patents All Time
Showing 25 most recent of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11165388 | Thermostatic oven type electronic instrument | Ryuji Ariyoshi | 2021-11-02 |
| 9847433 | Integrated MOS varicap, and voltage controlled oscillator and filter having same | Ryuji Ariyoshi | 2017-12-19 |
| 8009483 | Nonvolatile memory cell and data latch incorporating nonvolatile memory cell | — | 2011-08-30 |
| 7515001 | AC amplifier and piezoelectric vibrator oscillator | — | 2009-04-07 |
| 7391279 | Inverting amplifier and crystal oscillator having same | — | 2008-06-24 |
| 6747319 | Semiconductor device and method of fabricating the same | Yoshikazu Kojima, Kazutoshi Ishii, Yasuhiro Moya | 2004-06-08 |
| 6320474 | MOS-type capacitor and integrated circuit VCO using same | Yutaka Saitoh | 2001-11-20 |
| 6222235 | Small geometry high voltage semiconductor device | Yoshikazu Kojima, Kazutoshi Ishii, Yasuhiro Moya | 2001-04-24 |
| 6191476 | Semiconductor device | Kunihiro Takahashi, Mizuaki Suzuki, Tsuneo Yamazaki, Hiroaki Takasu, Kunio Nakajima +3 more | 2001-02-20 |
| RE36836 | Semiconductor device for driving a light valve | Yutaka Hayashi, Yoshikazu Kojima, Hiroaki Takasu | 2000-08-29 |
| 6107163 | Method of manufacturing a semiconductor chip | Yoshikazu Kojima | 2000-08-22 |
| 6067062 | Light valve device | Hiroaki Takasu, Yoshikazu Kojima, Tsuneo Yamazaki, Hiroshi Suzuki, Masaaki Taguchi +2 more | 2000-05-23 |
| 6040200 | Method of fabricating semiconductor device having stacked-layered substrate | Yutaka Hayashi, Yoshikazu Kojima, Hiroaki Takasu | 2000-03-21 |
| 6028338 | Semiconductor integrated circuit device with electrostatic damage protection | Yutaka Saito, Jun Osanai, Yoshikazu Kojima | 2000-02-22 |
| 5982461 | Light valve device | Yutaka Hayashi, Yoshikazu Kojima, Hiroaki Takasu | 1999-11-09 |
| 5926699 | Method of fabricating semiconductor device having stacked layer substrate | Yutaka Hayashi, Yoshikazu Kojima, Hiroaki Takasu | 1999-07-20 |
| 5851909 | Method of producing semiconductor device using an adsorption layer | Kenji Aoki, Naoto Saito | 1998-12-22 |
| 5825064 | Semiconductor volatile/nonvolatile memory | Yutaka Hayashi, Yoshikazu Kojima, Ryoji Takada | 1998-10-20 |
| 5759878 | Method of fabricating semiconductor device having epitaxially grown semiconductor single crystal film | Yutaka Hayashi, Yoshikazu Kojima, Hiroaki Takasu | 1998-06-02 |
| 5672518 | Method of fabricating semiconductor device having stacked layered substrate | Yutaka Hayashi, Yoshikazu Kojima, Hiroaki Takasu | 1997-09-30 |
| 5672906 | Semiconductor device having defects of deep level generated by electron beam irradiation in a semiconductor substrate | Yutaka Saito, Takao Akiba, Koju Nonaka, Hitomi Watanabe | 1997-09-30 |
| 5637187 | Light valve device making | Hiroaki Takasu, Yoshikazu Kojima, Tsuneo Yamazaki, Hiroshi Suzuki, Masaaki Taguchi +2 more | 1997-06-10 |
| 5585304 | Method of making semiconductor device with multiple transparent layers | Yutaka Hayashi, Kunihiro Takahashi, Hiroaki Takasu, Yoshikazu Kojima, Hitoshi Niwa +2 more | 1996-12-17 |
| 5486716 | Semiconductor integrated circuit device with electrostatic damage protection | Yutaka Saito, Jun Osanai, Yoshikazu Kojima | 1996-01-23 |
| 5463238 | CMOS structure with parasitic channel prevention | Kunihiro Takahashi, Yoshikazu Kojima, Hiroaki Takasu | 1995-10-31 |