Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6740565 | Process for fabrication of a SIMOX substrate | Atsuki Matsumura, Tsutomu Sasaki | 2004-05-25 |
| 5670445 | Cleaning agent of harmful gas and cleaning method | Kenji Otsuka, Toshiya Hatakeyama, Hideki Fukuda | 1997-09-23 |
| 5493148 | Semiconductor device whose output characteristic can be adjusted by functional trimming | Yu Ohata, Yosuke Takagi | 1996-02-20 |
| 5429762 | Cooling agent | Yasuhiko Koiso, Yoshiki Matsumoto, Masayuki Fujisawa, Isao Nagatsu, Mamoru Takahashi | 1995-07-04 |
| 5418383 | Semiconductor device capable of previously evaluating characteristics of power output element | Yosuke Takagi, Yu Ohata | 1995-05-23 |
| 5294422 | Process for purification of rare gas | Kenji Ohtsuka, Noboru Takemasa, Shinobu Kamiyama | 1994-03-15 |
| 5261241 | Refrigerant | Yoshiki Matsumoto, Masayuki Fujisawa, Isao Nagatsu, Miyoko Hiramoto, Shigeo Ariki | 1993-11-16 |
| 5194233 | Process for purification of rare gas | Kenji Ohtsuka, Noboru Takemasa, Shinobu Kamiyama | 1993-03-16 |
| RE34025 | Semiconductor device with isolation between MOSFET and control circuit | Yosuke Takagi, Yu Ohata, Tsuyoshi Kuramoto | 1992-08-11 |
| 5019364 | Method for purifying gaseous hydrides | Takashi Shimada, Keiichi Iwata | 1991-05-28 |
| 4996030 | Method for cleaning exhaust gases | Takashi Shimada, Noboru Akita, Tadashi Hiramoto, Kohhei Sasaki | 1991-02-26 |
| 4985745 | Substrate structure for composite semiconductor device | Yoshinori Natsume, Yoshinori Hosoki | 1991-01-15 |
| 4976942 | Method for purifying gaseous hydrides | Takashi Shimada, Keiichi Iwata, Noboru Akita | 1990-12-11 |
| 4948748 | Manufacture of a substrate structure for a composite semiconductor device using wafer bonding and epitaxial refill | Yu Ohata, Tsuyoshi Kuramoto | 1990-08-14 |
| 4910001 | Method for cleaning gas containing toxic component | Noboru Akita, Takashi Shimada, Kohhei Sasaki, Tadashi Hiramoto | 1990-03-20 |
| 4879584 | Semiconductor device with isolation between MOSFET and control circuit | Yosuke Takagi, Yu Ohata, Tsuyoshi Kuramoto | 1989-11-07 |
| 4743435 | Method for cleaning exhaust gases | Takashi Shimada | 1988-05-10 |
| 4731333 | Method for detecting gaseous hydrides | Takashi Shimada | 1988-03-15 |
| 4398040 | Process for producing trimellitic acid | Takashi Suzuki, Susumu Naito, Tomoji Tsuji | 1983-08-09 |