Issued Patents All Time
Showing 26–39 of 39 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6222415 | Magneto-resistive element signal amplifying circuit | Takehiko Umeyama | 2001-04-24 |
| 6211736 | Signal amplifying circuit for magnetoresistive element | Takehiko Umeyama | 2001-04-03 |
| 6201421 | Write current driving circuit | Takehiko Umeyama | 2001-03-13 |
| 6147596 | Vehicle-mounted record medium reproducing apparatus | Yasunobu Tsuchiya, Sadao Nagata, Yoshiya Isezaki, Kazuhiro Ido, Toshiharu Fujiwara | 2000-11-14 |
| 5826455 | Apparatus for reforming rollers for shaping rolled steel | Kazuo Ohmori, Masayuki Okada, Toyohisa Tokumaru, Sumihiko Itoh | 1998-10-27 |
| 5366026 | Impact type clamping apparatus | Junichi Maruyama, Teruo Fukumura | 1994-11-22 |
| 5245001 | Aminoarylsulfonic acid-phenol-formaldehyde condensate and concrete admixture comprising the same | Takahiro Furuhashi, Kazushige Kawada, Susumu Tahara, Yuji Takahashi, Toshikazu Adachi +1 more | 1993-09-14 |
| 5092934 | Aminoarylsulfonic acid-phenol-formaldehyde condensate and concrete admixture comprising the same | Takahiro Furuhashi, Kazushige Kawada, Susumu Tahara, Yuji Takahashi, Toshikazu Adachi +1 more | 1992-03-03 |
| 5010844 | Vacuum-pressure supply device | Minoru Matsugawa | 1991-04-30 |
| 4944249 | Vacuum-pressure supply device | Minoru Matsuzawa | 1990-07-31 |
| 4936918 | Aminoarylsulfonic acid-phenol-formaldehyde condensate and concrete admixture comprising the same | Takahiro Furuhashi, Kazushige Kawada, Susumu Tahara, Yuji Takahashi, Toshikazu Adachi +1 more | 1990-06-26 |
| 4828619 | Air-entraining agent for flyash cement composition | Souji Matsushita, Setsuro Shimizu, Susumi Tahara | 1989-05-09 |
| 4808641 | Concrete admixture | Hideo Yagi | 1989-02-28 |
| 4650522 | Concrete admixture | Tsutomu Teraji, Kazushige Kawada, Shinichi Sugita, Toshikazu Adachi, Hideo Yaqi | 1987-03-17 |