Issued Patents All Time
Showing 1–25 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7910463 | Method of producing SIMOX wafer | Bong-Gyun Ko | 2011-03-22 |
| 7550371 | Method of producing SIMOX wafer | Riyuusuke Kasamatsu, Yoshiro Aoki | 2009-06-23 |
| 7253069 | Method for manufacturing silicon-on-insulator wafer | Toru Yamazaki, Yoshiro Aoki, Akihiko Endo | 2007-08-07 |
| 7229496 | Process for producing silicon single crystal layer and silicon single crystal layer | Takashi Shibayama, Takayuki Shingyoji | 2007-06-12 |
| 7195863 | Development defect preventing process and material | Yusuke Takano, Kazuyo Ijima, Satoru Funato, Hatsuyuki Tanaka | 2007-03-27 |
| 7067005 | Silicon wafer production process and silicon wafer | Takashi Shibayama, Takayuki Shingyoji | 2006-06-27 |
| 6845847 | Lubrication system and its modification method | Toshiaki Nonaka, Masahiko Nakahara | 2005-01-25 |
| 6348261 | Silicon wafer | — | 2002-02-19 |
| 5854477 | Reusable ticket processing apparatus and ticket regenerating apparatus | Masatoshi Kawaji, Toshihiro Ikeda | 1998-12-29 |
| 5805972 | Method and apparatus for separating isotopes | Goro Miyamoto, Seiji Hiroki, Kenji Katsuki | 1998-09-08 |
| 5653854 | Method and apparatus for separating isotopes | Goro Miyamoto, Seiji Hiroki, Kenji Katsuki | 1997-08-05 |
| 5632597 | Thread groove type vacuum pump | Seiji Hiroki, Tetsuya Abe, Junichi Nakamura, Masashi Iguchi | 1997-05-27 |
| 5630592 | Metal gasket, vacuum flange for the metal gasket, and vacuum seal structure using the metal gasket | Kenjiro Obara, Mitsuyosi Saito | 1997-05-20 |
| 5603788 | Method of manufacturing a ceramics-type vacuum vessel | Tetsuya Abe, Hisao Takeuchi, Akira Yamakawa, Masaya Miyake | 1997-02-18 |
| 5494549 | Dicing method | Tetsuro Oki, Tsuyoshi Miyata | 1996-02-27 |
| 5451549 | Semiconductor dicing method which uses variable sawing speeds | Tetsuro Oki | 1995-09-19 |
| 5445862 | Porous film and process for production thereof | Shingo Kaneko, Yoshinari Yamashita | 1995-08-29 |
| 5373157 | Quadrupole electrode and process for producing the same | Seiji Hiroki, Tetsuya Abe, Yoshishige Takano, Akira Yamakawa, Masaya Miyake | 1994-12-13 |
| 5280206 | Armature stator | Shigenori Ando, Seiji Hiroki, Tetsuya Abe | 1994-01-18 |
| 5277942 | Insulating member and electric parts using the same | Akihiko Ikegaya, Naoji Fujimori, Tetsuo Yashiki, Tetsuya Abe | 1994-01-11 |
| 5177359 | Quadrupole mass spectrometer having plural stable regions | Seiji Hiroki, Tetsuya Abe, Koji Yanagishita, Nobuhiko Tsuchiya | 1993-01-05 |
| 5075200 | Process of forming superconductive wiring strip | Tadashi Sugihara, Takuo Takeshita | 1991-12-24 |
| 5013466 | Lubricating grease | Kenjiro Obara, Kazuyuki Nakamura, Takao Soda, Toshihiro Kanie, Tamio Adaka | 1991-05-07 |
| 4988130 | Metal seal flange assembly | Kenjiro Obara, Kazuyuki Nakamura, Masamitsu Naganuma, Kazunori Kitamura, Takao Uchida | 1991-01-29 |
| 4844323 | Method for joining ceramics | Hitoshi Kondo, Hiroaki Kawamura, Konosuke Inagawa, Tetsuya Abe | 1989-07-04 |