KK

Katsuhiko Koui

KT Kabushiki Kaisha Toshiba: 103 patents #74 of 21,451Top 1%
Tdk: 3 patents #1,522 of 3,796Top 45%
Kioxia: 1 patents #1,054 of 1,813Top 60%
Overall (All Time): #13,464 of 4,157,543Top 1%
104
Patents All Time

Issued Patents All Time

Showing 26–50 of 104 patents

Patent #TitleCo-InventorsDate
9390731 Magnetic recording head and magnetic recording apparatus 2016-07-12
9355659 Microwave assisted magnetic recording head and magnetic recording device having the same Mariko Shimizu, Shuichi Murakami, Kenichiro Yamada 2016-05-31
9311936 Magnetic recording head and disk drive provided therewith Kenichiro Yamada 2016-04-12
9305577 Magnetic recording head and disk drive provided therewith Kenichiro Yamada 2016-04-05
9230567 Spin torque oscillator, microwave-assisted magnetic recording head, magnetic recording head assembly, and magnetic recording and resuming device Norihito Fujita, Satoshi Shirotori, Mariko Shimizu, Shuichi Murakami 2016-01-05
9218828 Magnetic head and magnetic recording/reproducing apparatus Shuichi Murakami 2015-12-22
9208802 Magnetic recording head and disk drive provided therewith Kenichiro Yamada 2015-12-08
9196271 Spin-torque oscillation element and microwave-assisted magnetic recording head using the same Satoshi Shirotori, Mariko Shimizu, Shuichi Murakami, Norihito Fujita 2015-11-24
9171558 Magnetic head with multiple reproducing elements each having magnetically coupled free layers, magnetic recording reproducing apparatus and magnetic head manufacturing method Akihiko Takeo, Kazuto Kashiwagi, Kenichiro Yamada, Tomomi Funayama 2015-10-27
9111552 High-frequency oscillation device, magnetic recording head including the same, and disk device Akihiko Takeo, Kenichiro Yamada, Noayuki Narita 2015-08-18
9087533 Magnetic head, magnetic head assembly, and magnetic recording/reproduction apparatus Mariko Shimizu, Shuichi Murakami, Hiromi Yuasa 2015-07-21
9087532 Magnetic head, magnetic head assembly, and magnetic recording/reproduction apparatus Mariko Shimizu, Shuichi Murakami, Hiromi Yuasa 2015-07-21
9076463 Magnetic recording head and disk device with the same Kenichiro Yamada, Akihiko Takeo 2015-07-07
8976490 Magnetic recording head and disk drive provided therewith Kenichiro Yamada 2015-03-10
8970986 Magnetic head and magnetic head assembly having a spin torque oscillator Masahiro Takashita, Shuichi Murakami, Naoki Hase 2015-03-03
8953283 Magnetic head, magnetic head assembly, and magnetic recording/reproduction apparatus Mariko Shimizu, Shuichi Murakami, Hiromi Yuasa 2015-02-10
8929031 Spin torque oscillator, method of manufacturing the same, magnetic recording head, magnetic head assembly, and magnetic recording apparatus Akihiko Takeo, Satoshi Shirotori, Kenichiro Yamada 2015-01-06
8922949 Magnetic recording head and magnetic recording/reproducing apparatus using the same Hiromi Yuasa, Mariko Shimizu, Shuichi Murakami 2014-12-30
8908329 Magnetic head with beveled main pole and spin torque oscillator, method of manufacturing the same, and magnetic recording/reproduction apparatus Satoshi Shirotori, Shinobu Sugimura, Norihito Fujita, Akihiko Takeo 2014-12-09
8879206 Magnetic recording head with spin torque oscillator Mariko Shimizu, Shuichi Murakami, Masahiro Takashita 2014-11-04
8824104 Magnetic head and magnetic recording/reproducing device Shuichi Murakami 2014-09-02
8817419 Magnetic recording head and magnetic recording apparatus Soichi Oikawa 2014-08-26
8780500 Microwave-assisted magnetic recording head, method of manufacturing the same, magnetic head assembly using the same, and magnetic recording/reproduction apparatus Satoshi Shirotori, Shinobou Sugimura, Norihito Fujita, Akihiki Takeo, Min Li +1 more 2014-07-15
8755147 Magnetic head pole including laminated structure having magnetic and nonmagnetic layers Takuya Matsumoto, Kenichiro Yamada, Masayuki Takagishi, Hitoshi Iwasaki 2014-06-17
8730616 Magnetic recording head, head gimbal assembly with the same, and disk drive Kenichiro Yamada, Yusuke Tomoda, Tomoko Taguchi 2014-05-20