Issued Patents All Time
Showing 1–25 of 82 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12406690 | Light source unit, thermally assisted magnetic head, head gimbal assembly, and hard disk drive | Ryuji Fujii, Tai Boon Lee, Ka Yip Wong | 2025-09-02 |
| 12400679 | Thermally assisted magnetic head, head gimbal assembly, and hard disk drive | Ryuji Fujii, Yasutoshi Fujita, Ka Yip Wong, Taku Kosuge | 2025-08-26 |
| 12027179 | Thermally assisted magnetic head, light source unit bar like member, and hard disk drive | Ryuji Fujii, Yasutoshi Fujita, Ka Yip Wong, Chi Hung Yuen | 2024-07-02 |
| 11899390 | Recording-material-transporting apparatus and image forming system | Masakazu Shirai, Taketoshi TANAKA, Tadashi SUGIZAKI | 2024-02-13 |
| 11887638 | Laser diode, thermally assisted magnetic head, head gimbal assembly, hard disk drive and method of manufacturing a head gimbal assembly | Ryo Hosoi, Kang Gao, Yasuhiro Konakawa, Yasutoshi Fujita, Ryuji Fujii | 2024-01-30 |
| 11817678 | Semiconductor laser and laser radar device having the semiconductor laser | Kang Gao, Ryo Hosoi, 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, Ryo Hosoi | 2023-09-19 |
| 11749302 | Method of manufacturing head gimbal assembly, head gimbal assembly and hard disk drive | Ka Yip Wong, Chi Hung Yuen, Ryo Hosoi | 2023-09-05 |
| 11626133 | Method of manufacturing head gimbal assembly, head gimbal assembly and hard disk drive | Ka Yip Wong, Chi Hung Yuen, Ryo Hosoi | 2023-04-11 |
| 11333326 | Light emitting device | Yuji Kando, Yosuke Kasuya, Shuichi Nishide | 2022-05-17 |
| 11127424 | Thermally-assisted magnetic recording head having active layer with quantum dot structure | Kang Gao, Ryo Hosoi, 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 | Ryo Hosoi, Takashi Honda, Sik Fun Chan, Tai Boon Lee, Dayu Zhou | 2021-03-09 |
| 10650856 | Thermally-assisted magnetic recording head having optimal reflecting position inside waveguide | Ryo Hosoi | 2020-05-12 |
| 10614841 | Thermally assisted magnetic head, method for reducing reflected light, head gimbal assembly, and hard disk drive | Ryo Hosoi, Natsuo Nishijima, Takashi Honda | 2020-04-07 |
| 10510371 | Thermally-assisted magnetic recording head having sub-mount with barrier-members sandwich a heater | Ryo Hosoi, Takashi Honda | 2019-12-17 |
| 10496003 | Exposure device | Hiroshi No, Shuichi Nishide | 2019-12-03 |
| 10311903 | Method and system of testing slider body of thermally-assisted magnetic head | Takashi Honda, Ryuji Fujii, Ryo Hosoi, Kaichiu Cheung, Tsutomu Sasaki +2 more | 2019-06-04 |
| 10152992 | Light source unit and thermally-assisted magnetic head | Ryo Hosoi, Takashi Honda | 2018-12-11 |
| 10061084 | Coupling structure of optical components and coupling method of the same | Kiyohiko Abe, Ryuji Fujii, Takashi Honda, Shi Xiong Chen, Osamu Harakawa | 2018-08-28 |
| 9666218 | Thermal assisted magnetic head provided with light detector that detects reflected light | Takashi Honda, Ryuji Fujii | 2017-05-30 |
| 9659582 | Method of manufacturing an electronic device | Yasuhiro Ito, Nobuyuki Mori, Koji Shimazawa, Kazuaki Takanuki, Youichi Ando | 2017-05-23 |
| 9489972 | Light source unit, heat-assisted magnetic recording head using the same, and light source for light source unit | Takashi Honda, Ryuji Fujii, Koji Shimazawa, Tsuguki Noma, Yoshiteru Nagai | 2016-11-08 |
| 9437227 | Thermally assisted magnetic recording head slider, method of manufacturing the same, head gimbal assembly, and hard disk drive | Takashi Honda, Ryuji Fujii | 2016-09-06 |
| 9437226 | Method of testing thermally-assisted magnetic head | Tadatoshi Koba, Ryuji Fujii, Takashi Honda, Osamu Harakawa, Masahiro Kuribayashi | 2016-09-06 |
| 9305573 | Thermally assisted recording head utilizing laser light with limited wavelength range | Shinji Hara, Tsutomu Chou, Koji Shimazawa, Eiji Komura, Yasuhiro Ito | 2016-04-05 |