Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9018699 | Silicon carbide semiconductor element and method for fabricating the same | Tsutomu Kiyosawa, Kunimasa Takahashi, Yuki Tomita | 2015-04-28 |
| 7851871 | Semiconductor device and method for fabricating the same | Yuji Harada, Masahiko Niwayama, Masaaki Okita | 2010-12-14 |
| 7846828 | Semiconductor device and method for fabricating the same | Osamu Kusumoto, Makoto Kitabatake, Masao Uchida, Kunimasa Takahashi, Kenya Yamashita +1 more | 2010-12-07 |
| 7759711 | Semiconductor device with substrate having increased resistance due to lattice defect and method for fabricating the same | Yuji Harada, Masahiko Niwayama, Saichirou Kaneko, Yoshimi Shimizu | 2010-07-20 |
| 7473929 | Semiconductor device and method for fabricating the same | Osamu Kusumoto, Makoto Kitabatake, Masao Uchida, Kunimasa Takahashi, Kenya Yamashita +1 more | 2009-01-06 |
| 7301179 | Semiconductor device having a high breakdown voltage transistor formed thereon | Saichirou Kaneko, Toshihiko Uno | 2007-11-27 |
| 7060323 | Method of forming interlayer insulating film | Gaku Sugahara, Nobuo Aoi, Koji Arai | 2006-06-13 |
| 6835270 | Process and apparatus of producing optical disk and process of producing substrate | Tetsuo Imada, Shigeru Namiki, Toshiyuki Fujioka, Takaaki Higashida, Mamoru Inoue | 2004-12-28 |
| 6558756 | Method of forming interlayer insulating film | Gaku Sugahara, Nobuo Aoi, Koji Arai | 2003-05-06 |
| 6416609 | Process and apparatus of producing optical disk and process of producing substrate | Tetsuo Imada, Shigeru Namiki, Toshiyuki Fujioka, Takaaki Higashida, Mamoru Inoue | 2002-07-09 |
| 5989998 | Method of forming interlayer insulating film | Gaku Sugahara, Nobuo Aoi, Koji Arai | 1999-11-23 |
| 5174858 | Method of forming contact structure | Hiroshi Yamamoto | 1992-12-29 |
| 4977104 | Method for producing a semiconductor device by filling hollows with thermally decomposed doped and undoped polysilicon | Hisashi Ogawa, Kohsaku Yano, Tsutomu Fujita | 1990-12-11 |