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 51–75 of 114 patents

Patent #TitleCo-InventorsDate
8472137 Magnetic head and method of manufacture thereof wherein the head includes a pole layer and non-magnetic layer having a continuous tapered face opposed to a trailing shield Kenkichi Anagawa, Michitaka Nishiyama, Hideyuki Yatsu, Shin Narushima, Hisayoshi Watanabe +1 more 2013-06-25
8462594 Thermally-assisted magnetic recording head capable of preventing propagated light being absorbed by magnetic pole Susumu Aoki, Kosuke Tanaka, Tetsuya Roppongi, Takeshi Tsutsumi 2013-06-11
RE44172 Accommodating vessel and image forming device using the same Hirokazu Murase 2013-04-23
8427790 Thin film magnetic head having similarly structured resistive film pattern and magnetic bias layer Kazuki Sato, Yohei Koyanagi, Takayasu Kanaya, Takeo Kagami 2013-04-23
8325570 Thermally-assisted magnetic recording head including a protruding member Kosuke Tanaka, Tetsuya Roppongi, Susumu Aoki, Takahiko Izawa, Makoto Isogai +2 more 2012-12-04
8300359 Perpendicular magnetic recording head and magnetic recording device Katsuki Kurihara, Kenkichi Anagawa, Takeo Kagami 2012-10-30
8295015 Magnetoresistive element, thin film magnetic head, magnetic head slider, head gimbal assembly, head arm assembly and magnetic disk device Naoki Ohta, Hiroshi Yamazaki, Kosuke Tanaka, Takayasu Kanaya 2012-10-23
8270871 Accommodating container and image forming apparatus using the same Hirokazu Murase 2012-09-18
8254215 Thermally-assisted magnetic recording head Kosuke Tanaka, Susumu Aoki, Makoto Isogai 2012-08-28
8233237 Perpendicular magnetic write head and magnetic recording device Kenkichi Anagawa, Katsuki Kurihara, Takeo Kagami, Minoru Ota 2012-07-31
8213841 Container and device Hiroaki Kitagawa, Kouji Fukumuro 2012-07-03
8208220 Magnetic head, head assembly, and magnetic recording/reproducing apparatus to reduce risk of wide area track erase Minoru Ota, Kenkichi Anagawa 2012-06-26
8170447 Image forming apparatus, developing apparatus and contact-retracting method Keisuke Kubo, Tomio Onuki, Takeshi Okoshi, Toshikazu Tsumita, Taiyou Uehara +5 more 2012-05-01
8164946 Magnetic memory element, magnetic memory device, information recording/reproducing apparatus 2012-04-24
8164853 Perpendicular magnetic write head with side shield saturation magnetic flux density increasing away from magnetic pole Atsushi Yamaguchi, Masaya Kato, Hideyuki Ukita, Kenkichi Anagawa, Minoru Ota 2012-04-24
8160481 Storage container, supply device, and image forming apparatus Hiroaki Kitagawa, Kouji Fukumuro 2012-04-17
8135312 Development apparatus and image forming apparatus Hirohisa Kohno, Kazunori Koshimori, Akihide Kawamura, Naoya Iwata, Keisuke Kubo +5 more 2012-03-13
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
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
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
7948713 Magnetic head slider using giant magnetostrictive material Naoki Ohta 2011-05-24