KH

Kei Hirata

Tdk: 70 patents #23 of 3,796Top 1%
KC Kuraray Co.: 16 patents #58 of 1,827Top 4%
FI Fujifilm Business Innovation: 15 patents #580 of 5,238Top 15%
HT Headway Technologies: 9 patents #89 of 309Top 30%
AM Amyris: 8 patents #6 of 97Top 7%
S( Sae Magnetics (H.K.): 4 patents #114 of 585Top 20%
AC Asmo Co.: 3 patents #159 of 745Top 25%
Micron: 1 patents #4,761 of 6,345Top 80%
TO Toyota: 1 patents #15,335 of 26,838Top 60%
📍 Kosai, CA: #1 of 1 inventorsTop 100%
Overall (All Time): #11,083 of 4,157,543Top 1%
114
Patents All Time

Issued Patents All Time

Showing 76–100 of 114 patents

Patent #TitleCo-InventorsDate
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
7843668 Magnetoresistive element including two ferromagnetic layers Takahiko Machita, Koji Shimazawa, Daisuke Miyauchi 2010-11-30
7843667 Thin film magnetic head, head gimbal assembly, head arm assembly and magnetic disk device Norikazu Ota, Yuichi Watabe, Tetsuro Sasaki, Takeo Kagami, Tetsuya Roppongi +6 more 2010-11-30
7835656 Developing device and image forming apparatus which can detect a concentration of a developer Naoya Iwata, Takashi Sakamoto, Akihide Kawamura 2010-11-16
7835672 Developing device, image carrier unit and image forming apparatus Takashi Sakamoto, Akihide Kawamura, Naoya Iwata 2010-11-16
7804667 Magnetoresistive element with a Heusler alloy layer that has a region in which an additive element changes in concentration Yoshihiro Tsuchiya, Tomohito Mizuno, Koji Shimazawa 2010-09-28
7782575 Magnetoresistive element having free layer, pinned layer, and spacer layer disposed therebetween, the spacer layer including semiconductor layer Yoshihiro Tsuchiya, Tomohito Mizuno, Koji Shimazawa 2010-08-24
7764470 Magneto-resistance effect element and thin-film magnetic head having non-magnetic spacer layer composed of one semiconductor layer and two metal layers Tomohito Mizuno, Yoshihiro Tsuchiya, Koji Shimazawa 2010-07-27
7764471 Magneto-resistance effect element having diffusion blocking layer and thin-film magnetic head Tomohito Mizuno, Takahiko Machita, Yoshihiro Tsuchiya, Shinji Hara 2010-07-27
7760475 Magneto-resistance effect element having free layer including magnetostriction reduction layer and thin-film magnetic head Tomohito Mizuno, Yoshihiro Tsuchiya 2010-07-20
7715156 Tunnel magnetoresistive effect element and thin-film magnetic head with tunnel magnetoresistive effect read head element Satoshi Miura 2010-05-11
7693477 Image forming member, toner removing apparatus, developing apparatus, and image forming apparatus Kiyoshi Chatani, Takashi Sakamoto, Hideaki Miyata 2010-04-06
7684151 Soft magnetic film and method of manufacturing same, thin-film magnetic head and method of manufacturing same, head arm assembly and magnetic disk drive Atsushi Yamaguchi, Kiyoshi Noguchi 2010-03-23
7679861 Magnetic head for perpendicular magnetic recording with controlled state of magnetization of the end face of the pole layer Kiyoshi Noguchi 2010-03-16
7672092 Method for manufacturing magnetic field detecting element, utilizing diffusion of metal Yoshihiro Tsuchiya, Tomohito Mizuno, Keita Kawamori, Koji Shimazawa 2010-03-02
7672085 CPP type magneto-resistive effect device having a semiconductor oxide spacer layer and magnetic disk system Shinji Hara, Koji Shimazawa, Yoshihiro Tsuchiya, Tomohito Mizuno 2010-03-02