FK

Fumihito Koike

AC Alps Electric Co.: 26 patents #29 of 2,177Top 2%
AC Alps Alpine Co.: 7 patents #33 of 525Top 7%
Overall (All Time): #106,961 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDate
11693068 Exchange-coupled film and magnetoresistive element and magnetic sensing device including the same Masamichi Saito 2023-07-04
11578996 Position detection element and position detection apparatus using same Masamichi Saito 2023-02-14
11488758 Exchange coupling film, and magnetoresistive sensor and magnetic detector including the same Masamichi Saito, Hiroaki Endo 2022-11-01
11476414 Exchange coupling film, magnetoresistance effect element film using the exchange coupling film, and magnetic detector using the exchange coupling film Masamichi Saito, Hiroaki Endo 2022-10-18
11476413 Tunnel magnetoresistance effect device and magnetic device using same Masamichi Saito 2022-10-18
11428757 Exchange-coupling film and magnetoresistive element and magnetic detector using the same Masamichi Saito, Hiroaki Endo 2022-08-30
10650849 Magnetoresistive element having exchange-coupled film including PtCr/XMn antiferromagnetic bilayer Masamichi Saito, Hiroaki Endo 2020-05-12
9915710 Magnetic sensor, method of manufacturing magnetic sensor, and method of designing magnetic sensor Hirofumi Okumura, Eiji Shinohara, Kazuhiro Shigeta, Taku Saito 2018-03-13
9530957 Magnetic sensor Shinji Sugihara, Yasushi Watanabe, Hideto Ando 2016-12-27
9207293 Method for manufacturing a magnetic sensor Hideto Ando, Shinji Sugihara, Kota Asatsuma 2015-12-08
8760913 Magnetic detecting element and magnetic sensor utilizing same Kota Asatsuma 2014-06-24
7567412 Magnetic sensing element with improved magnetic sensitivity stability and method for producing the same Ryo Nakabayashi, Eiji Umetsu, Kazuaki Ikarashi, Naoya Hasegawa 2009-07-28
7495868 Exchange coupling film and magnetic sensing element including the same Takuya Seino, Naoya Hasegawa 2009-02-24
7433161 Spin-valve element having fixed layer containing nano-oxide layer Kazuaki Ikarashi, Naoya Hasegawa, Eiji Umetsu 2008-10-07
7265540 Angle sensor having low waveform distortion Yoshihiro Sudo, Ichiro Tokunaga, Yoshikazu Shimizu, Naoya Hasegawa 2007-09-04
7193411 Angle sensor having low waveform distortion Yoshihiro Sudo, Ichiro Tokunaga, Yoshikazu Shimizu, Naoya Hasegawa 2007-03-20
6995961 Magnetic sensing element comprising antiferromagnetic layer laminated on free magnetic layer Naoya Hasegawa, Eiji Umetsu, Masahiko Ishizone 2006-02-07
6697234 Thin-film magnetic head having a shielding layer covered by a high-melting point layer on the magnetoresistive element side 2004-02-24
6639762 Spin valve thin-film magnetic device having free magnetic layer in ferrimagnetic state and manufacturing method therefor Masamichi Saito, Kenichi Tanaka, Yosuke Ide, Naoya Hasegawa 2003-10-28
6500570 Spin-valve magnetoresistive element and method for making the same Naoya Hasegawa, Yosuke Ide 2002-12-31
6387550 Giant magnetoresistive material film, method of producing the same and magnetic head using the same Naoya Hasegawa 2002-05-14
6346338 Combination magnetoresistive/inductive thin film magnetic head and its manufacturing method Toshinori Watanabe, Akira Takahashi, Nobuhiro Hayashi, Yoshihiro Kanada, Kiyoshi Kobayashi +4 more 2002-02-12
6340520 Giant magnetoresistive material film, method of producing the same magnetic head using the same Naoya Hasegawa 2002-01-22
6292334 Thin film magnetic head comprising shield layer having stabilized magnetic domain structure Kiyoshi Sato, Naoya Hasegawa 2001-09-18
6177207 Combination read/write thin film magnetic head and its manufacturing method 2001-01-23