KH

Kei Hirata

Tdk: 15 patents #6 of 474Top 2%
FI Fujifilm Business Innovation: 2 patents #177 of 1,012Top 20%
KC Kuraray Co.: 1 patents #21 of 119Top 20%
S( Sae Magnetics (H.K.): 1 patents #44 of 137Top 35%
📍 Kosai, CA: #1 of 1 inventorsTop 100%
Overall (2011): #827 of 364,097Top 1%
18
Patents 2011

Issued Patents 2011

Showing 1–18 of 18 patents

Patent #TitleCo-InventorsDate
8085038 Method for testing noise of thin-film magnetic head, and magnetic disk drive apparatus with noise testing function Takumi Uesugi, Takeo Kagami, Tetsuro Sasaki, Masaru Hirose, Chi Man Lee +1 more 2011-12-27
8077436 CPP-type magnetoresistance effect element having three magnetic layers Satoshi Miura, Tomohito Mizuno, Takeo Kagami 2011-12-13
8072706 Magnetic head for perpendicular magnetic recording and method of manufacturing same Hideyuki Ukita, Shin Narushima, Isamu Toba, Hiromichi Umehara, Hisayoshi Watanabe +1 more 2011-12-06
8013075 Curable composition Koji Kitayama, Mizuho Maeda 2011-09-06
8009392 Thin film magnetic head and magnetic disk device Takayasu Kanaya, Yohei Koyanagi, Seiichi Takayama, Shinji Hara, Toshiyuki Ayukawa 2011-08-30
8000063 Magneto-resistive element, thin film magnetic head, magnetic head device, and magnetic recording/reproducing apparatus Atsushi Yamaguchi, Satoshi Miura, Yoshihiro Tsuchiya, Kiyoshi Noguchi 2011-08-16
8000066 Hard disk system incorporating a current perpendicular to plane magneto-resistive effect device with a spacer layer in the thickness range showing conduction performance halfway between OHMIC conduction and semi-conductive conduction Tomohito Mizuno, Yoshihiro Tsuchiya 2011-08-16
7948713 Magnetic head slider using giant magnetostrictive material Naoki Ohta 2011-05-24
7937029 Accommodating vessel and image forming device using the same Hirokazu Murase 2011-05-03
7925186 Developing device and image-forming apparatus Hideaki Miyata, Takashi Sakamoto, Kiyoshi Chatani 2011-04-12
7920362 Magnetio-resistive device including a multi-layer spacer which includes a semiconductor oxide layer Shinji Hara, Koji Shimazawa, Yoshihiro Tsuchiya, Tomohito Mizuno 2011-04-05
7898775 Magnetoresistive device having bias magnetic field applying layer that includes two magnetic layers antiferromagnetically coupled to each other through intermediate layer Shinji Hara, Takayasu Kanaya, Takeo Kagami 2011-03-01
7895731 Method for manufacturing magnetic field detecting element utilizing diffusion and migration of silver Tomohito Mizuno, Yoshihiro Tsuchiya, Koji Shimazawa, Keita Kawamori 2011-03-01
7885042 CPP magneto-resistive effect device utilizing an anti-oxidizing layer as part of the spacer layer in a thin-film magnetic head usable in a head gimbal assembly in a hard disk system Koji Shimazawa, Yoshihiro Tsuchiya, Tomohito Mizuno 2011-02-08
7881025 Magneto-resistive effect device having a spacer layer of a semiconductor layer interposed between first and second nonmagnetic metal layers and a work function control layer for use in a thin-film magnetic head usable in a head gimbal assembly in a hard disk system Koji Shimazawa, Yoshihiro Tsuchiya, Tomohito Mizuno 2011-02-01
7876537 Magnetoresistive element incorporating conductive film disposed on peripheral surface of layered structure including spacer layer, free layer and pinned layer, the conductive film allowing conduction between the free layer and the pinned layer Takumi Uesugi, Tetsuro Sasaki, Takeo Kagami 2011-01-25
7872831 Thin-film magnetic head having a recording head portion configured to record magnetic information on a patterned media, head gimbal assembly, and hard disk system Tetsuya Roppongi, Kiyoshi Noguchi 2011-01-18
7864489 Thin-film magnetic head having an antistatic layer preventing a protective coat from being electrostatically charged Takeo Kagami, Takumi Uesugi, Tetsuro Sasaki 2011-01-04