JF

James Mac Freitag

HG HGST: 51 patents #14 of 1,677Top 1%
WT Western Digital Technologies: 39 patents #36 of 3,180Top 2%
HB Hgst Netherlands, B.V.: 10 patents #69 of 972Top 8%
IBM: 5 patents #18,733 of 70,183Top 30%
SO Solopower: 2 patents #6 of 19Top 35%
Overall (All Time): #12,317 of 4,157,543Top 1%
108
Patents All Time

Issued Patents All Time

Showing 25 most recent of 108 patents

Patent #TitleCo-InventorsDate
12374356 Pinned shield with controllable exchange bias field Yuankai Zheng, Zhitao Diao, Chih-Ching Hu, Yung-Hung Wang, Chen-Jung Chien +1 more 2025-07-29
12207563 Magnetoresistive devices comprising a synthetic antiferromagnetic coupling layer of RuAl having a (110) texture Susumu Okamura, Yuankai Zheng, Brian R. York 2025-01-21
12106784 Read sensor with ordered heusler alloy free layer and semiconductor barrier layer Yuankai Zheng, Susumu Okamura, Brian R. York, Zhitao Diao 2024-10-01
12094498 Recording head with a multilayer spin torque element having positive and negative beta materials Alexander Goncharov, Susumu Okamura, Muhammad Asif Bashir 2024-09-17
12040114 Magnetoresistive device comprising a synthetic antiferromagnetic coupling layer of RuAl having a (001) texture Susumu Okamura, Yuankai Zheng, Brian R. York 2024-07-16
11925120 Spintronic devices with self-cooling function Susumu Okamura, Christian Kaiser, Xinjiang Shen, Yongchul Ahn 2024-03-05
11881236 Spin torque oscillator with enhanced spin polarizer Susumu Okamura, Christian Kaiser 2024-01-23
11862205 Spin torque oscillator with multilayer seed for improved performance and reliability Yongchul Ahn, Susumu Okamura, Christian Kaiser 2024-01-02
11682420 Seed layer for spin torque oscillator in microwave assisted magnetic recording device Zheng Gao, Susumu Okamura, Brian R. York 2023-06-20
11683993 Material having both negative spin polarization and negative anisotropy Susumu Okamura, Christian Kaiser 2023-06-20
11657836 Magnetic recording devices having negative polarization layer to enhance spin-transfer torque Susumu Okamura, Alexander Goncharov, Zheng Gao 2023-05-23
11646052 Spin-torque oscillator with multilayer seed layer between the write pole and the free layer in a magnetic recording write head Zheng Gao, Masahiko Hashimoto, Sangmun Oh 2023-05-09
11289118 Spintronic device having negative interface spin scattering Christian Kaiser, Andrew Chen, Zheng Gao, Susumu Okamura 2022-03-29
11283006 Methods and apparatus of high moment free layers for magnetic tunnel junctions Zheng Gao 2022-03-22
11257514 Magnetic recording devices having negative polarization layer to enhance spin-transfer torque Susumu Okamura, Alexander Goncharov, Zheng Gao 2022-02-22
11239016 Spin torque oscillator with an antiferromagnetically coupled assist layer and methods of operating the same Yuankai Zheng, Zheng Gao, Susumu Okamura 2022-02-01
11211083 MAMR head with synthetic antiferromagnetic (SAF) coupled notch Yuankai Zheng, Zheng Gao, Christian Kaiser, Zhitao Diao, Susumu Okamura +1 more 2021-12-28
11171605 Spin torque oscillator with an antiferromagnetically coupled assist layer and methods of operating the same Yuankai Zheng, Zheng Gao, Susumu Okamura 2021-11-09
11127420 Seed layer for spin torque oscillator in microwave assisted magnetic recording device Zheng Gao, Susumu Okamura, Brian R. York 2021-09-21
10997993 Spin-torque oscillator with multilayer seed layer between the write pole and the free layer in a magnetic recording write head Zheng Gao, Masahiko Hashimoto, Sangmun Oh 2021-05-04
10997992 Spin transfer torque device with oxide layer beneath the seed layer Susumu Okamura, Masahiko Hashimoto, Zheng Gao 2021-05-04
10950260 Magnetoresistive sensor with improved magnetic properties and magnetostriction control Zheng Gao 2021-03-16
10950258 Spin torque oscillator having one or more chromium insertion layers for magnetic recording drives Zheng Gao, Susumu Okamura 2021-03-16
10943611 Spintronic devices with narrow spin polarization layers Zheng Gao, Susumu Okamura, Yongchul Ahn, Aron Pentek, Amanda Baer 2021-03-09
10872627 Reversed mode spin torque oscillator with shaped field generation layer Quang Le, Yongchul Ahn, Susumu Okamura, Zheng Gao, Alexander Goncharov +2 more 2020-12-22