IN

Isao Nunokawa

HG HGST: 10 patents #193 of 1,677Top 15%
HI Hitachi: 7 patents #5,859 of 28,497Top 25%
HB Hgst Netherlands, B.V.: 6 patents #124 of 972Top 15%
Overall (All Time): #174,492 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Showing 1–24 of 24 patents

Patent #TitleCo-InventorsDate
9135933 Tapered write head for MAMR Mikito Sugiyama, Yuta Udo 2015-09-15
9047885 Perpendicular magnetic recording head and method of manufacturing the same Mikito Sugiyama, Hiroyuki Hoshiya 2015-06-02
8995088 Heat sink for a spin torque oscillator (STO) in microwave assisted magnetic recording (MAMR) Carl Boone, Jianhua Li, Erhard Schreck, Mikito Sugiyama, Ikuya Tagawa +1 more 2015-03-31
8830623 Shield structure for reducing the magnetic induction rate of the trailing shield and systems thereof Tomoaki Hamasaki, Hiroyuki Katada, Kimitoshi Etoh 2014-09-09
8824103 Magnetic recording head and magnetic recording apparatus Masato Shiimoto, Kenji Sugiura, Mikito Sugiyama, Yo Sato, Katsuro Watanabe +2 more 2014-09-02
8351154 Perpendicular recording magnetic head with a varying interval between the main pole and the shield, and methods of manufacturing thereof Kimitoshi Etoh, Mikito Sugiyama, Tomohiro Okada 2013-01-08
8351153 Magnetic recording head, method of manufacturing the same, and magnetic recording/reproducing device Mikito Sugiyama, Kikuo Kusukawa, Hiroyuki Hoshiya 2013-01-08
8351162 Magnetic head with electro lapping guide Kimitoshi Etoh, Hisashi Kimura, Tomohiro Okada 2013-01-08
8335051 Perpendicular magnetic recording head having a magnetic layer overhanging a trailing side of a main pole and method of manufacture thereof Mikito Sugiyama, Kikuo Kusukawa, Kimitoshi Etoh 2012-12-18
8203803 Magnetic recording head for perpendicular recording with wrap around shield, the fabrication process and magnetic disk storage apparatus mounting the magnetic head Kimitoshi Etoh, Masafumi Mochizuki, Tomohiro Okada 2012-06-19
8107193 Perpendicular magnetic recording head Mikito Sugiyama, Kikuo Kusukawa, Keizo Kato 2012-01-31
7990653 Perpendicular recording magnetic head with a main magnetic pole piece and an auxiliary magnetic pole piece Masafumi Mochizuki, Shuji Nishida, Kimitoshi Etoh 2011-08-02
7895732 Method for manufacturing a perpendicular magnetic recording head Tomohiro Okada, Kimitoshi Etoh, Kikuo Kusukawa 2011-03-01
7882617 Method of fabricating a magnetic recording head for perpendicular recording with enhanced covering power Atsushi Kato, Tomohiro Okada, Ichiro Oodake 2011-02-08
7715152 Magnetic recording head for perpendicular recording, fabrication process, and magnetic disk storage apparatus mounting the magnetic head Tomohiro Okada, Masafumi Mochizuki 2010-05-11
7639452 Magnetic head for perpendicular recording and fabrication process Masafumi Mochizuki 2009-12-29
7535675 Magnetic recording head with shaped pole Hisashi Kimura, Nobuo Yoshida, Kimitoshi Etoh 2009-05-19
7086140 Method of fabricating a thin film magnetic recording head Tomohiro Okada, Yoshiaki Kawato, Kaori Suzuki, Hiroshi Fukui 2006-08-08
6995949 Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the same Atsushi Nakamura, Masafumi Mochizuki, Tomohiro Okada, Kimitoshi Etoh, Yoshiaki Kawato 2006-02-07
6891697 Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the same Atsushi Nakamura, Masafumi Mochizuki, Tomohiro Okada, Kimitoshi Etoh, Yoshiaki Kawato 2005-05-10
6813116 Magnetic heads for perpendicular recording and magnetic recording disk apparatus using the same Atsushi Nakamura, Masafumi Mochizuki, Tomohiro Okada, Kimitoshi Etoh, Yoshiaki Kawato 2004-11-02
6785097 Thin film magnetic recording head, method of fabricating the thin film magnetic recording head and magnetic disk drive Tomohiro Okada, Yoshiaki Kawato, Kaori Suzuki, Hiroshi Fukui 2004-08-31
5520047 Exothermic resistor element and thermal process air flow meter using the same Minoru Takahashi, Kaoru Uchiyama, Yutaka Nishimura 1996-05-28
4617575 Thermal head Moriaki Fuyama, Katsumi Tamura, Isao Funyu, Masanobu Hanazono, Shigetoshi Hirastuka 1986-10-14