Issued Patents All Time
Showing 1–25 of 68 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12406690 | Light source unit, thermally assisted magnetic head, head gimbal assembly, and hard disk drive | Seiichi Takayama, Tai Boon Lee, Ka Yip Wong | 2025-09-02 |
| 12400679 | Thermally assisted magnetic head, head gimbal assembly, and hard disk drive | Seiichi Takayama, Yasutoshi Fujita, Ka Yip Wong, Taku Kosuge | 2025-08-26 |
| 12106786 | Magnetic head, head gimbal assembly, hard disk drive, and method for processing magnetic head | Shi Xiong Chen, Zeng Zhang, Yong Lei, Yong Zhang | 2024-10-01 |
| 12027179 | Thermally assisted magnetic head, light source unit bar like member, and hard disk drive | Seiichi Takayama, Yasutoshi Fujita, Ka Yip Wong, Chi Hung Yuen | 2024-07-02 |
| 11887638 | Laser diode, thermally assisted magnetic head, head gimbal assembly, hard disk drive and method of manufacturing a head gimbal assembly | Ryo Hosoi, Seiichi Takayama, Kang Gao, Yasuhiro Konakawa, Yasutoshi Fujita | 2024-01-30 |
| 11817678 | Semiconductor laser and laser radar device having the semiconductor laser | Seiichi Takayama, Kang Gao, Ryo Hosoi | 2023-11-14 |
| 11127424 | Thermally-assisted magnetic recording head having active layer with quantum dot structure | Kang Gao, Seiichi Takayama, Ryo Hosoi | 2021-09-21 |
| 10811042 | Disk drive thermally assisted magnetic recording head having a slider and a tilted light incident surface | Jian Hui Huang, Natsuo Nishijima, Lin Huang, Shi Xiong Chen, Bin Qi +1 more | 2020-10-20 |
| 10490212 | Row bar and wafer for forming magnetic heads | Shi Xiong Chen, Long WANG, Zeng Zhang | 2019-11-26 |
| 10311903 | Method and system of testing slider body of thermally-assisted magnetic head | Seiichi Takayama, Takashi Honda, Ryo Hosoi, Kaichiu Cheung, Tsutomu Sasaki +2 more | 2019-06-04 |
| 10061084 | Coupling structure of optical components and coupling method of the same | Seiichi Takayama, Kiyohiko Abe, Takashi Honda, Shi Xiong Chen, Osamu Harakawa | 2018-08-28 |
| 9840767 | Manufacturing method for a head slider coated with DLC | Jian Hui Huang, Xiao Ke Ding, Hong Ma, Da Yao He, De Jin Fan | 2017-12-12 |
| 9666218 | Thermal assisted magnetic head provided with light detector that detects reflected light | Takashi Honda, Seiichi Takayama | 2017-05-30 |
| 9489972 | Light source unit, heat-assisted magnetic recording head using the same, and light source for light source unit | Takashi Honda, Seiichi Takayama, Koji Shimazawa, Tsuguki Noma, Yoshiteru Nagai | 2016-11-08 |
| 9437226 | Method of testing thermally-assisted magnetic head | Tadatoshi Koba, Seiichi Takayama, Takashi Honda, Osamu Harakawa, Masahiro Kuribayashi | 2016-09-06 |
| 9437227 | Thermally assisted magnetic recording head slider, method of manufacturing the same, head gimbal assembly, and hard disk drive | Takashi Honda, Seiichi Takayama | 2016-09-06 |
| 9275658 | Thermally-assisted magnetic recording head including a plasmon generator | Yoshitaka Sasaki, Hiroyuki Ito, Shigeki Tanemura, Kazuki Sato, Hironori Araki | 2016-03-01 |
| 9236082 | Near-field light generator including a waveguide and a plasmon generator | Yoshitaka Sasaki, Hiroyuki Ito, Shigeki Tanemura, Hironori Araki, Hideo Mamiya | 2016-01-12 |
| 9208806 | Near-field light generator including a waveguide and a plasmon generator | Yoshitaka Sasaki, Hiroyuki Ito, Shigeki Tanemura, Hironori Araki, Hideo Mamiya | 2015-12-08 |
| 9190084 | Thermal assisted magnetic recording head with protrusion on leading side of plasmon generator | Kenta Hara, Kosuke Tanaka, Tetsuya Roppongi, Yasutoshi Fujita | 2015-11-17 |
| 9163939 | Method of manufacturing thermally-assisted magnetic head and alignment apparatus thereof | Seiichi Takayama, Takashi Honda, Osamu Harakawa, Tadatoshi Koba | 2015-10-20 |
| 9013964 | Thermally-assisted magnetic recording head having a plasmon generator | Yoshitaka Sasaki, Hiroyuki Ito, Shigeki Tanemura, Kazuki Sato, Hironori Araki | 2015-04-21 |
| 8988975 | Thermally assisted magnetic head, method of manufacturing the same, head gimbal assembly, and hard disk drive | Yoshitaka Sasaki, Hiroyuki Ito, Hironori Araki, Shigeki Tanemura, Kazuki Sato | 2015-03-24 |
| 8912042 | Manufacturing method for layered chip packages | Yoshitaka Sasaki, Hiroyuki Ito, Atsushi Iijima | 2014-12-16 |
| 8902546 | Head stack assembly with light shielding structure, and disk drive unit with the same | Seiichi Takayama, Hideki Tanzawa, Osamu Harakawa, Takashi Honda | 2014-12-02 |