Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11887638 | Laser diode, thermally assisted magnetic head, head gimbal assembly, hard disk drive and method of manufacturing a head gimbal assembly | Seiichi Takayama, Kang Gao, Yasuhiro Konakawa, Yasutoshi Fujita, Ryuji Fujii | 2024-01-30 |
| 11817678 | Semiconductor laser and laser radar device having the semiconductor laser | Seiichi Takayama, Kang Gao, Ryuji Fujii | 2023-11-14 |
| 11763842 | Method of manufacturing head gimbal assembly, head gimbal assembly and hard disk drive | Ka Yip Wong, Chi Hung Yuen, Seiichi Takayama | 2023-09-19 |
| 11749302 | Method of manufacturing head gimbal assembly, head gimbal assembly and hard disk drive | Ka Yip Wong, Chi Hung Yuen, Seiichi Takayama | 2023-09-05 |
| 11626133 | Method of manufacturing head gimbal assembly, head gimbal assembly and hard disk drive | Ka Yip Wong, Chi Hung Yuen, Seiichi Takayama | 2023-04-11 |
| 11127424 | Thermally-assisted magnetic recording head having active layer with quantum dot structure | Kang Gao, Seiichi Takayama, Ryuji Fujii | 2021-09-21 |
| 10943613 | Thermally assisted magnetic head, head gimbal assembly, hard disk drive and method of manufacturing the thermally assisted magnetic head | Takashi Honda, Seiichi Takayama, Sik Fun Chan, Tai Boon Lee, Dayu Zhou | 2021-03-09 |
| 10650856 | Thermally-assisted magnetic recording head having optimal reflecting position inside waveguide | Seiichi Takayama | 2020-05-12 |
| 10622783 | Thermally-assisted magnetic recording head capable of preventing solder overflow during manufacturing | Takashi Honda, Makoto Kawato | 2020-04-14 |
| 10614841 | Thermally assisted magnetic head, method for reducing reflected light, head gimbal assembly, and hard disk drive | Seiichi Takayama, Natsuo Nishijima, Takashi Honda | 2020-04-07 |
| 10566013 | Semiconductor laser for thermally-assisted magnetic recording head | Takashi Honda, Wah Chun Chan, Makoto Kawato, Dayu Zhou, Koji Shimazawa +1 more | 2020-02-18 |
| 10510371 | Thermally-assisted magnetic recording head having sub-mount with barrier-members sandwich a heater | Takashi Honda, Seiichi Takayama | 2019-12-17 |
| 10311903 | Method and system of testing slider body of thermally-assisted magnetic head | Seiichi Takayama, Takashi Honda, Ryuji Fujii, Kaichiu Cheung, Tsutomu Sasaki +2 more | 2019-06-04 |
| 10152992 | Light source unit and thermally-assisted magnetic head | Seiichi Takayama, Takashi Honda | 2018-12-11 |
| 9640206 | Thermal assisted magnetic recording head with plasmon generator | Masahiro Saito, Koji Shimazawa, Daisuke Miyauchi, Makoto Isogai | 2017-05-02 |
| 9293165 | Thermally assisted magnetic recording head with magnetic circuit parallel to substrate | Susumu Aoki, Takafumi Kobayashi, Kei Hirata | 2016-03-22 |
| 8964514 | Plasmon generator and thermally-assisted magnetic recording head having the same | Kei Hirata, Keita Kawamori, Tetsuya Roppongi | 2015-02-24 |
| 8817581 | Thermally-assisted magnetic recording head using near-field light | Takeshi Tsutsumi, Tetsuya Roppongi, Kosuke Tanaka | 2014-08-26 |
| 8654617 | Thermally-assisted magnetic recording head with optically isolating waveguide, head gimbal assembly, head arm assembly, magnetic disk unit, and light transmission unit | Eiji Komura, Tsutomu Chou, Koji Shimazawa, Shinji Hara, Nobuyuki Mori +2 more | 2014-02-18 |
| 8590138 | Method of manufacturing thermally-assisted magnetic recording head | Shinji Hara, Koji Shimazawa | 2013-11-26 |
| 8547805 | Thermally-assisted magnetic recording head having temperature sensor embedded on dielectric waveguide | Eiji Komura, Koji Shimazawa, Tsutomu Chou, Shinji Hara, Kosuke Tanaka | 2013-10-01 |
| 8537645 | Near field light generating element, thermally assisted magnetic head, thermally assisted magnetic head device and thermally assisted magnetic recording/reproducing apparatus | Tsutomu Chou, Koji Shimazawa, Shinji Hara, Eiji Komura | 2013-09-17 |
| 8427927 | Thermally-assisted magnetic recording head, head gimbals assembly, head arm assembly, and magnetic disk unit | Tsutomu Chou, Koji Shimazawa, Shinji Hara, Eiji Komura | 2013-04-23 |
| 8393074 | Method of manufacturing thermally-assisted magnetic recording head and alignment apparatus | Seiichi Takayama, Koji Shimazawa, Shinji Hara, Yasuhiro Ito, Nobuyuki Mori +3 more | 2013-03-12 |
| 8384405 | Method for performing burn-in test | Koji Shimazawa, Yasuhiro Ito, Masaaki Kaneko, Takashi Honda, Ryuji Fujii +1 more | 2013-02-26 |