Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9291686 | Method of estimating the residual magnetic flux of transformer and residual magnetic flux estimation device | Keisuke Udagawa, Tadashi Koshizuka, Yoshimasa Sato, Hiroyuki Maehara | 2016-03-22 |
| 9197057 | Magnetizing inrush current suppression apparatus | Keisuke Udagawa, Tadashi Koshizuka, Shiro Maruyama, Noriyuki Nagayama | 2015-11-24 |
| 9013852 | Breaker-phase-control switching system and circuit-breaker control unit | Hiroyuki Maehara, Tomonori Nishida, Shigeki Katayama | 2015-04-21 |
| 6731115 | Integrated gas-insulated switchgear with current transducer system | — | 2004-05-04 |
| 6154719 | Logic simulation system and method | Akiko Satoh | 2000-11-28 |
| 6031762 | Non-volatile semiconductor memory | — | 2000-02-29 |
| 5937430 | Buffer circuit with control device to directly output input data or to output input data written in storage device | Hideo Arai | 1999-08-10 |
| 5838593 | Simulation apparatus | Hiroaki Komatsu, Toshihide Sasaki, Hiroshi Tsukamoto | 1998-11-17 |
| 5678369 | Refractory/heat insulating panels | Takashi Ishikawa, Hideki Takiguchi, Fumio Takahashi, Hiroaki Konta, Takanobu Niizeki +4 more | 1997-10-21 |
| 5634003 | Logic simulation apparatus based on dedicated hardware simulating a logic circuit and selectable to form a processing scale | Toshihide Sasaki, Hiroshi Tsukamoto, Michinori Yajima, Hiroaki Komatsu | 1997-05-27 |
| 5629443 | Highly purified acetonitrile and process for purifying crude acetonitrile | Shigeo Nakamura, Shigeru Kurihara, Hideo Midorikawa | 1997-05-13 |
| 5620517 | Painting device | — | 1997-04-15 |
| 5572538 | Laser apparatus and accessible, compact cooling system thereof having interchangeable flow restricting members | Akira Uesugi, Takahiro Uchida | 1996-11-05 |
| 5561535 | Image forming apparatus and method which determines information to be printed based on the punch holes of a recording sheet | Kazuhiko Katoh, Masakuni Kutsuwada, Haruhiko Kihara, Masahiro Kitayama | 1996-10-01 |
| 5511011 | Method and apparatus for logic simulation of logic system including multi-port memory | — | 1996-04-23 |
| 5418735 | Detection of event-outstripping and glitches in hardware logic simulator | — | 1995-05-23 |
| 5345489 | Timer circuit having comparator comparing contents of counter and register | — | 1994-09-06 |
| 4562239 | Urethane polymers containing a tertiary nitrogen atom, and their production | Noriomi Yamane, Yoshikazu Arimatsu, Kenichi Katsuo, Katsya Tani, Hideyuki Mitamura +1 more | 1985-12-31 |
| 4499221 | Polyurethane composition improved in dyeing property | Yoshikazu Arimatsu, Katsuya Tani, Hideyuki Mitamura | 1985-02-12 |