Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8009391 | Magnetic sensing element and method for manufacturing the same | Kenichi Tanaka, Eiji Umetsu, Kota Asatsuma, Norimasa Okanishi, Yoshihiro Nishiyama +7 more | 2011-08-30 |
| 7969693 | Tunnel magnetoresistive sensor in which at least part of pinned layer is composed of CoFeB layer and method for manufacturing the tunnel magnetoresistive sensor | Eiji Umetsu, Kenichi Tanaka, Kazumasa Nishimura, Masamichi Saito, Yosuke Ide +4 more | 2011-06-28 |
| 7839608 | Tunnel-type magnetic detecting device having laminated seed layer | Kazumi Kamai, Naoya Hasegawa, Eiji Umetsu | 2010-11-23 |
| 7567412 | Magnetic sensing element with improved magnetic sensitivity stability and method for producing the same | Ryo Nakabayashi, Eiji Umetsu, Fumihito Koike, Naoya Hasegawa | 2009-07-28 |
| 7433161 | Spin-valve element having fixed layer containing nano-oxide layer | Naoya Hasegawa, Fumihito Koike, Eiji Umetsu | 2008-10-07 |
| 7369372 | Exchange-coupled film including pinned magnetic layer composed of a plurality of cobalt-iron alloys having different compositions disposed on antiferromagnetic layer, and magnetic sensing element | Naoya Hasegawa, Eiji Umetsu, Kazumi Matsuzaka, Takuya Seino | 2008-05-06 |
| 7063904 | Exchange coupling film, magnetic detecting element using the exchange coupling film, and method of making same | Naoya Hasegawa | 2006-06-20 |
| 6897718 | Low-loss magnetic powder core, and switching power supply, active filter, filter, and amplifying device using the same | Shoji Yoshida, Hidetaka Kenmotsu, Takao Mizushima, Yutaka Naito | 2005-05-24 |
| 6594157 | Low-loss magnetic powder core, and switching power supply, active filter, filter, and amplifying device using the same | Shoji Yoshida, Hidetaka Kenmotsu, Takao Mizushima, Yutaka Naito | 2003-07-15 |
| 6326092 | Magnetoresistance device and production method thereof | Naoya Hasegawa, Akihiro Makino | 2001-12-04 |
| 6210810 | Magnetoresistance device | Naoya Hasegawa, Akihiro Makino | 2001-04-03 |
| 6139908 | Magnetoresistance device and production method thereof | Naoya Hasegawa, Akihiro Makino | 2000-10-31 |