NH

Naoya Hasegawa

AC Alps Electric Co.: 160 patents #1 of 2,177Top 1%
Tdk: 27 patents #163 of 3,796Top 5%
NT Ntn: 2 patents #586 of 1,364Top 45%
AC Alps Electronics Co.: 1 patents #1 of 19Top 6%
UN Unknown: 1 patents #29,356 of 83,584Top 40%
📍 Saijo, JP: #1 of 81 inventorsTop 2%
Overall (All Time): #3,772 of 4,157,543Top 1%
190
Patents All Time

Issued Patents All Time

Showing 101–125 of 190 patents

Patent #TitleCo-InventorsDate
6921587 Magnetic sensing element including second free magnetic layer extending wider than track width and method for fabricating same Eiji Umetsu 2005-07-26
6913836 Spin-valve type magnetoresistive sensor and method of manufacturing the same 2005-07-05
6903907 Magnetic sensing element having specular layer 2005-06-07
6901652 Method for manufacturing magnetic sensing element having improved magnetic field sensitivity Eiji Umetsu 2005-06-07
6893734 Magnetic sensing element with improved sensitivity and method for making the same Eiji Umetsu, Masamichi Saito, Kenichi Tanaka, Yosuke Ide 2005-05-17
6891703 Exchange coupled film having magnetic layer with non-uniform composition and magnetic sensing element including the same 2005-05-10
6885528 Magnetic sensing element having chromium layer between antiferromagnetic layers Eiji Umetsu 2005-04-26
6879472 Exchange coupling film and electoresistive sensor using the same Masamichi Saito, Yosuke Ide, Kenichi Tanaka 2005-04-12
6873500 Exchange coupling film capable of improving playback characteristics Masamichi Saito, Kenichi Tanaka 2005-03-29
6867952 Magnetic sensing element with ESD resistance improved by adjusting the lengths of antiferromagnetic layers and free layer in the height direction 2005-03-15
6862159 CPP MAGNETIC SENSING ELEMENT IN WHICH PINNED MAGNETIC LAYERS OF UPPER AND LOWER MULTILAYER FILMS ARE MAGNETIZED ANTIPARALLEL TO EACH OTHER, METHOD FOR MAKING THE SAME, AND MAGNETIC SENSING DEVICE INCLUDING THE SAME 2005-03-01
6862158 Exchange coupling film having improved wettability of seed layer Masamichi Saito, Kenichi Tanaka 2005-03-01
6856494 Spin-valve type thin film magnetic element having bias layers and ferromagnetic layers Masahiro Ooshima, Eiji Umetsu, Masamichi Saito, Kenichi Tanaka, Yosuke Ide 2005-02-15
6853521 Exchange coupling film having improved wettability of seed layer Masamichi Saito, Kenichi Tanaka 2005-02-08
6847508 Spin valve thin film magnetic element and thin film magnetic head Kenichi Tanaka, Masamichi Saito, Yosuke Ide, Yoshihiko Kakihara, Kenji Honda 2005-01-25
6844998 Magnetoresistive sensor capable of narrowing gap and track width Daigo Aoki, Kenji Honda, Kiyoshi Sato, Yukie Nakazawa 2005-01-18
6831817 Magnetic sensor having adjusted specific resistance distribution of first magnetic layer of free magnetic layer of multi-layered ferri-structure Eiji Umetsu 2004-12-14
6807034 Dual spin-valve CCP type thin-film magnetic element with multi free layers Eiji Umetsu 2004-10-19
6806804 Magnetic detecting element having &bgr;-values selected for free magnetic layer and pinned magnetic layer Masamichi Saito, Yosuke Ide 2004-10-19
6791320 Magnetic detection device adapted to control magnetization of free magnetic layer by using antiferromagnetic layer, and manufacturing method for the same Eiji Umetsu 2004-09-14
6791804 Magnetoresistive-effect device and method for manufacturing the same Daigo Aoki, Kenji Honda, Yoshihiko Kakihara 2004-09-14
6790541 Exchange coupling film and electroresistive sensor using the same Masamichi Saito, Yosuke Ide, Kenichi Tanaka 2004-09-14
6783874 Magnetic sensor having second antiferromagnetic layers and two types of electrode layers on free magnetic layer and manufacturing method thereof Eiji Umetsu, Naohiro Ishibashi, Masahiro Oshima 2004-08-31
6764778 Thin film magnetic element with accurately controllable track width and method of manufacturing the same Masamichi Saito, Toshihiro Kuriyama, Eiji Umetsu, Kenichi Tanaka, Yosuke Ide 2004-07-20
6757962 Method for manufacturing exchange bias type magnetic field sensing element Eiji Umetsu, Masamichi Saito, Kenichi Tanaka, Yosuke Ide 2004-07-06