TN

Tazumi Nagasawa

KT Kabushiki Kaisha Toshiba: 66 patents #201 of 21,451Top 1%
TS Toshiba Electronic Devices & Storage: 37 patents #6 of 900Top 1%
Overall (All Time): #32,198 of 4,157,543Top 1%
66
Patents All Time

Issued Patents All Time

Showing 26–50 of 66 patents

Patent #TitleCo-InventorsDate
11462239 Magnetic head and magnetic recording device having magnetic layers and nonmagnetic layers between shield and magnetic pole Naoyuki Narita, Hirofumi Suto, Masayuki Takagishi, Tomoyuki Maeda 2022-10-04
11443762 Magnetic head and magnetic recording device including a stacked body having a first magnetic member and a second magnetic member Hitoshi Iwasaki, Naoyuki Narita, Hirofumi Suto, Masayuki Takagishi 2022-09-13
11437059 Magnetic head and magnetic recording device with stacked body material configurations Hitoshi Iwasaki, Masayuki Takagishi, Naoyuki Narita, Hirofumi Suto 2022-09-06
11398244 Magnetic head with stacked body having non-magnetic layers and differing length magnetic layers Masayuki Takagishi, Naoyuki Narita, Tomoyuki Maeda, Hitoshi Iwasaki, Hirofumi Suto 2022-07-26
11393493 Magnetic head and magnetic recording device Yuji Nakagawa, Naoyuki Narita, Masayuki Takagishi, Tomoyuki Maeda, Hitoshi Iwasaki +1 more 2022-07-19
11380352 Magnetic head including stacked body with changing electrical resistance and magnetic recording device including same Hitoshi Iwasaki, Masayuki Takagishi, Naoyuki Narita, Hirofumi Suto 2022-07-05
11348606 Magnetic head for high density magnetic recording device Hitoshi Iwasaki, Naoyuki Narita, Hirofumi Suto, Masayuki Takagishi 2022-05-31
11217272 Magnetic head including stacked body having plural of intermediate layers and magnetic recording device including same Hirofumi Suto, Naoyuki Narita, Masayuki Takagishi, Hitoshi Iwasaki 2022-01-04
11138994 Magnetic head and magnetic recording device having magnetic layers and non-magnetic layers between shield and magnetic pole Naoyuki Narita, Hirofumi Suto, Masayuki Takagishi, Tomoyuki Maeda 2021-10-05
11087781 Magnetic head including plural magnetic layers and plural intermediate layers and magnetic recording device Masayuki Takagishi, Naoyuki Narita, Tomoyuki Maeda, Hitoshi Iwasaki, Hirofumi Suto 2021-08-10
11062728 Magnetic head having specific distance between magnetic pole, stacked body, and first shield, and magnetic recording device including same Masayuki Takagishi, Naoyuki Narita, Tomoyuki Maeda, Hirofumi Suto, Katsuya Sugawara 2021-07-13
11062730 Method for evaluating magnetic head and evaluation apparatus of magnetic head Hirofumi Suto, Naoyuki Narita, Masayuki Takagishi, Tomoyuki Maeda 2021-07-13
11004464 Magnetic head Hirofumi Suto, Naoyuki Narita, Masayuki Takagishi, Hitoshi Iwasaki, Tomoyuki Maeda 2021-05-11
10978098 Magnetic recording device Naoyuki Narita, Masayuki Takagishi, Hirofumi Suto, Hitoshi Iwasaki, Tomoyuki Maeda 2021-04-13
10902869 Magnetic head having a magnetic layer and first and second conductive layers provided between a shield and a magnetic pole and magnetic recording and reproducing device Hirofumi Suto, Naoyuki Narita, Masayuki Takagishi, Tomoyuki Maeda 2021-01-26
10811037 Magnetic head with conductive layer configurations between magnetic pole and shield and magnetic recording and reproducing device Hirofumi Suto, Naoyuki Narita, Masayuki Takagishi, Tomoyuki Maeda 2020-10-20
10607638 Magnetic head and magnetic recording and reproducing device Michinaga Yamagishi 2020-03-31
10522172 Oscillator and calculating device Hirofumi Suto, Michinaga Yamagishi, Taro KANAO, Koichi Mizushima 2019-12-31
10504544 Magnetic head and magnetic recording and reproducing device Michinaga Yamagishi 2019-12-10
10424325 Magnetic head with spin torque oscillator connection configuration Hirofumi Suto, Kiwamu Kudo, Taro KANAO, Rie Sato, Koichi Mizushima 2019-09-24
10210894 Magnetic recording medium including multiple magnetic layers with multiple regions having aligned easy magnetization axes and magnetic recording and reproducing device Hirofumi Suto, Taro KANAO, Rie Sato, Koichi Mizushima 2019-02-19
10127931 Perpendicular magnetic recording and reproducing device Hirofumi Suto, Kiwamu Kudo, Taro KANAO, Rie Sato, Koichi Mizushima 2018-11-13
10027334 Computing apparatus and computing method Taro KANAO, Hayato Goto, Kiwamu Kudo, Hirofumi Suto, Michinaga Yamagishi +2 more 2018-07-17
9984723 Magnetic recording and reproducing apparatus and magnetic recording and reproducing method Taro KANAO, Michinaga Yamagishi, Hirofumi Suto, Kiwamu Kudo, Rie Sato +1 more 2018-05-29
9704552 Multi-level magnetic recording apparatus utilizing cooperative magnetization dynamics induced by spin-torque oscillator Kiwamu Kudo, Hirofumi Suto, Koichi Mizushima, Rie Sato 2017-07-11