Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11574764 | Dust core, method for manufacturing dust core, electric/electronic component including dust core, and electric/electronic device equipped with electric/electronic component | Masao Matsui, Satoshi Maruyama | 2023-02-07 |
| 10950374 | Fe-based alloy composition, soft magnetic material, magnetic members, electric/electronic component, and device | Hisato Koshiba, Takafumi Hibino, Teruo Bitoh | 2021-03-16 |
| 10283266 | Powder core, manufacturing method of powder core, inductor including powder core, and electronic/electric device having inductor mounted therein | Ryo Nakabayashi, Akinori Kojima, Seiichi Abiko, Keiichiro Sato, Akira Sato | 2019-05-07 |
| 9831790 | DC-to-DC converter | Masahiro Iizuka, Yutaka Naito, Kinshiro Takadate, Kazuki Iwaya, Eiichi Takahashi | 2017-11-28 |
| 9422614 | Fe-based amorphous alloy, powder core using the same, and coil encapsulated powder core | Keiko Tsuchiya, Hisato Koshiba, Kazuya Kaneko, Seiichi Abiko | 2016-08-23 |
| 8685179 | Fe-based amorphous alloy, powder core using the same, and coil encapsulated powder core | Keiko Tsuchiya, Hisato Koshiba, Kazuya Kaneko, Seiichi Abiko | 2014-04-01 |
| 8282745 | Fe-based soft magnetic alloy and dust core using fe-based soft magnetic alloy | Keiko Tsuchiya, Hisato Koshiba, Jun Okamoto | 2012-10-09 |
| 7277001 | Coil-embedded dust core | Yutaka Naito, Kazuo Aoki, Hidetaka Kemmotsu, Satoshi Watabe | 2007-10-02 |
| 7132019 | Amorphous soft magnetic alloy powder, and dust core and wave absorber using the same | Hisato Koshiba, Hidetaka Kenmotsu, Yutaka Naito | 2006-11-07 |
| 6897718 | Low-loss magnetic powder core, and switching power supply, active filter, filter, and amplifying device using the same | Shoji Yoshida, Hidetaka Kenmotsu, Kazuaki Ikarashi, Yutaka Naito | 2005-05-24 |
| 6750723 | Low-loss magnetic powder core, and switching power supply, active filter, filter, and amplifying device using the same | Shoji Yoshida, Yutaka Naito | 2004-06-15 |
| 6594157 | Low-loss magnetic powder core, and switching power supply, active filter, filter, and amplifying device using the same | Shoji Yoshida, Hidetaka Kenmotsu, Kazuaki Ikarashi, Yutaka Naito | 2003-07-15 |
| 6296681 | Sinter and casting comprising Fe-based high-hardness glassy alloy | Akihiro Makino, Akihisa Inoue | 2001-10-02 |
| 6287514 | Sinter and casting comprising Fe-based high-hardness glassy alloy | Akihiro Makino, Akihisa Inoue | 2001-09-11 |
| 6227985 | Sinter and casting comprising Fe-based high-hardness glassy alloy | Akihiro Makino, Akihisa Inoue | 2001-05-08 |
| 6183889 | Magneto-impedance element, and magnetic head, thin film magnetic head, azimuth sensor and autocanceler using the same | Hisato Koshiba, Akihoro Makino, Yoshihiro Sudo, Shinichi Sasagawa, Yuichi Shonai +1 more | 2001-02-06 |
| 6086651 | Sinter and casting comprising Fe-based high-hardness glassy alloy | Akihiro Makino, Akihisa Inoue | 2000-07-11 |
| 6077367 | Method of production glassy alloy | Akihiro Makino, Akihisa Inoue | 2000-06-20 |
| 6001193 | Hard magnetic alloy compact and method of producing the same | Akinori Kojima, Akihiro Makino, Akihisa Inoue, Tsuyoshi Masumoto | 1999-12-14 |
| 5961745 | Fe Based soft magnetic glassy alloy | Akihisa Inoue, Kouichi Fujita, Oki Yamaguchi, Akihiro Makino | 1999-10-05 |
| 5755986 | Soft-magnetic dielectric high-frequency composite material and method for making the same | Yutaka Yamamoto, Akihiro Makino, Takashi Hatanai, Teruyoshi Kubokawa | 1998-05-26 |