HI

Hitoshi Iwasaki

KT Kabushiki Kaisha Toshiba: 224 patents #11 of 21,451Top 1%
TS Toshiba Electronic Devices & Storage: 15 patents #36 of 900Top 4%
Mitsubishi Electric: 13 patents #2,044 of 25,717Top 8%
Tdk: 5 patents #1,099 of 3,796Top 30%
NA Nabtesco: 3 patents #60 of 320Top 20%
YC Yanmar Power Technology Co.: 1 patents #96 of 202Top 50%
NC Nippon Chemi-Con: 1 patents #97 of 199Top 50%
SI Sanshin Industries: 1 patents #190 of 319Top 60%
Sumitomo Electric Industries: 1 patents #13,249 of 21,551Top 65%
Overall (All Time): #2,141 of 4,157,543Top 1%
243
Patents All Time

Issued Patents All Time

Showing 51–75 of 243 patents

Patent #TitleCo-InventorsDate
9208803 Magnetic head, magnetic head assembly, and magnetic recording apparatus Kenichiro Yamada, Masayuki Takagishi 2015-12-08
9196268 Magnetic head manufacturing method forming sensor side wall film by over-etching magnetic shield Masayuki Takagishi 2015-11-24
9196273 Magnetoresistive element with three terminals, magnetic head, and magnetic recording and reproducing apparatus Satoshi Shirotori, Yuuzo Kamiguchi, Masayuki Takagishi, Shinobu Sugimura 2015-11-24
9147411 Magnetic recording and reproducing device Masayuki Takagishi, Kenichiro Yamada, Yousuke Isowaki, Kohsuke Harada 2015-09-29
9129617 Magnetic recording head, magnetic head assembly, magnetic recording apparatus, and magnetic recording method Kenichiro Yamada, Masayuki Takagishi 2015-09-08
9117465 Non-local spin valve element with three terminals, hard disk head, and magnetic recording and reproducing apparatus Yuuzo Kamiguchi, Satoshi Shirotori, Shinobu Sugimura, Masayuki Takagishi 2015-08-25
9112140 Magnetoresistive effect element with an oscillation layer Naoki Hase, Masayuki Takagishi 2015-08-18
9013837 Magnetoresistive element including a changing composition as distance increases away from an intermediate film, and magnetic head with the same Naoki Hase, Masayuki Takagishi, Susumu Hashimoto, Shuichi Murakami, Yousuke Isowaki +1 more 2015-04-21
8995085 Magnetic recording head, magnetic head assembly, magnetic recording apparatus, and magnetic recording method Kenichiro Yamada, Masayuki Takagishi 2015-03-31
8970993 Magnetoresistive magnetic head with magnetoresistive film including a metal layer and a Heusler alloy layer, and magnetic recording and reproducing apparatus Shuichi Murakami, Masayuki Takagishi, Susumu Hashimoto, Yousuke Isowaki, Naoki Hase +1 more 2015-03-03
8953286 Magnetoresistive element with aluminum or iron concentration ratio changed in film-thickness direction Naoki Hase, Masayuki Takagishi, Susumu Hashimoto, Shuichi Murakami, Yousuke Isowaki +1 more 2015-02-10
8929035 Tunnel barrier sensor with multilayer structure Hideaki Fukuzawa, Hiromi Yuasa, Hiromi Fuke, Masashi Sahashi 2015-01-06
8917485 Magnetoresistive effect element, magnetic head, and magnetic disk apparatus Hideaki Fukuzawa, Yoshinari Kurosaki, Hiromi Yuasa, Yoshihiko Fuji 2014-12-23
8913351 Magnetoresistance effect element, magnetic head, magnetic head assembly, and magnetic recording and reproducing device Susumu Hashimoto, Masayuki Takagishi, Shuichi Murakami, Yousuke Isowaki, Naoki Hase 2014-12-16
8879215 Magnetoresistance effect element, magnetic head, magnetic head assembly, and magnetic recording and reproducing device Shuichi Murakami, Masayuki Takagishi, Yousuke Isowaki, Susumu Hashimoto, Naoki Hase +1 more 2014-11-04
8879213 Magneto-resistance effect element, magnetic head, magnetic head assembly, magnetic recording and reproducing apparatus, and method for manufacturing magneto-resistance effect element Yousuke Isowaki, Masayuki Takagishi 2014-11-04
8842394 Magnetic head Masayuki Takagishi, Susumu Hashimoto 2014-09-23
8767346 Magnetic recording head, magnetic head assembly, magnetic recording apparatus, and magnetic recording method Kenichiro Yamada, Masayuki Takagishi 2014-07-01
8755147 Magnetic head pole including laminated structure having magnetic and nonmagnetic layers Takuya Matsumoto, Kenichiro Yamada, Masayuki Takagishi, Katsuhiko Koui 2014-06-17
8687321 Magnetic head assembly Kenichiro Yamada, Masayuki Takagishi, Tomomi Funayama 2014-04-01
8654480 Magnetic head with spin torque oscillator and magnetic recording head Mariko Shimizu, Kenichiro Yamada, Junichi Akiyama, Masayuki Takagishi, Tomomi Funayama +1 more 2014-02-18
8564904 Magnetic head with stacked magnetic layers, magnetic head assembly, and magnetic recording/reproducing apparatus Masayuki Takagishi, Kenichiro Yamada, Susumu Hashimoto, Yusuke Tomoda 2013-10-22
8559134 Radio frequency magnetic field assisted recording head, head assembly, amd recording apparatus Kenichiro Yamada, Katsuhiko Koui 2013-10-15
8547662 Magnetic recording head and magnetic recording apparatus Kenichiro Yamada, Junichi Akiyama, Masayuki Takagishi, Tomomi Funayama, Masahiro Takashita +3 more 2013-10-01
8488373 Spin injection layer robustness for microwave assisted magnetic recording Kunliang Zhang, Min Li, Yuchen Zhou, Soichi Oikawa, Kenichiro Yamada +1 more 2013-07-16