Issued Patents All Time
Showing 76–99 of 99 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5598019 | Semiconductor device having trench isolation structure and method of manufacturing the same | Takehisa Yamaguchi | 1997-01-28 |
| 5536665 | Method of manufacturing a semiconductor device with double structured well | Takashi Kuroi, Masahide Inuishi | 1996-07-16 |
| 5478761 | Method of producing semiconductor device having first and second type field effect transistors | Katsuhiro Tsukamoto | 1995-12-26 |
| 5473016 | Matte film or sheet and method for preparing same | Koichi Fujii, Koichi Komaki, Minoru Tajima | 1995-12-05 |
| 5457339 | Semiconductor device for element isolation and manufacturing method thereof | Katsuhiro Tsukamoto | 1995-10-10 |
| 5455437 | Semiconductor device having crystalline defect isolation regions | Takashi Kuroi | 1995-10-03 |
| 5448093 | Micro MIS type FET and manufacturing process therefor | Shigeru Kusunoki, Katsuhiro Tsukamoto | 1995-09-05 |
| 5446305 | Semiconductor device with double structured well | Takashi Kuroi, Masahide Inuishi | 1995-08-29 |
| 5412237 | Semiconductor device with improved element isolation and operation rate | Katsuhiro Tsukamoto | 1995-05-02 |
| 5401671 | Method of manufacturing a semiconductor device | Katsuhiro Tsukamoto | 1995-03-28 |
| 5330923 | Manufacturing process for a micro MIS type FET | Shigeru Kusunoki, Katsuhiro Tsukamoto | 1994-07-19 |
| 5296401 | MIS device having p channel MOS device and n channel MOS device with LDD structure and manufacturing method thereof | Katsuyoshi Mitsui | 1994-03-22 |
| 5293060 | Semiconductor device with diffusion well isolation | Katsuhiro Tsukamoto | 1994-03-08 |
| 5208473 | Lightly doped MISFET with reduced latchup and punchthrough | Shigeru Kusunoki, Katsuhiro Tsukamoto | 1993-05-04 |
| 5196908 | Micro MIS type FET and manufacturing process therefor | Shigeru Kusunoki, Katsuhiro Tsukamoto | 1993-03-23 |
| 5141882 | Semiconductor field effect device having channel stop and channel region formed in a well and manufacturing method therefor | Katsuhiro Tsukamoto | 1992-08-25 |
| 5138420 | Semiconductor device having first and second type field effect transistors separated by a barrier | Katsuhiro Tsukamoto | 1992-08-11 |
| 5045901 | Double diffusion metal-oxide-semiconductor device having shallow source and drain diffused regions | Katsuhiro Tsukamoto | 1991-09-03 |
| 5019520 | Method for preparing a high mobility, lightly-doped channel mis-type FET with reduced latch up and punchthrough | Shigeru Kusunoki, Katsuhiro Tsukamoto | 1991-05-28 |
| 4978629 | Method of making a metal-oxide-semiconductor device having shallow source and drain diffused regions | Katsuhiro Tsukamoto | 1990-12-18 |
| 4793956 | Process for preparing porous film or sheet | Motomi Nogiwa, Shuichi Yoshida, Toshitsune Yoshikawa, Toshio Koutsuka | 1988-12-27 |
| 4770229 | Horizontal type continuous casting machine for casting molten steel into cast steel strand | Masahiro Tsuru | 1988-09-13 |
| 4660618 | Flow stop control method and apparatus for casting withdrawal control of horizontal continuous casting machine | Kazuo Mitani, Yoshiharu Hirota, Shinobu Kumagai, Masahiro Tsuru | 1987-04-28 |
| 4522540 | Method and apparatus for removing cutting burr sticking to lower surface of slab | Nobuhisa Hasebe, Hiroshi Kawada, Naoki Yokoyama | 1985-06-11 |