Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12406690 | Light source unit, thermally assisted magnetic head, head gimbal assembly, and hard disk drive | Seiichi Takayama, Ryuji Fujii, Ka Yip Wong | 2025-09-02 |
| 10943613 | Thermally assisted magnetic head, head gimbal assembly, hard disk drive and method of manufacturing the thermally assisted magnetic head | Ryo Hosoi, Takashi Honda, Seiichi Takayama, Sik Fun Chan, Dayu Zhou | 2021-03-09 |
| 8861318 | Thermally assisted magnetic write head, and method of manufacturing the same | Bing Ma, Wei-Liang Chen, Hong Ma, Yasutoshi Fujita, Hideki Tanzawa +4 more | 2014-10-14 |
| 8743665 | Light source chip and a thermally assisted head with the same, and manufacturing methods thereof | Ryuji Fujii, Hideki Tanzawa, Yasuhiro Konakawa | 2014-06-03 |
| 8588040 | Thermally assisted magnetic head slider, head gimbal assembly, and hard disk drive with the same, and manufacturing method thereof | Yasutoshi Fujita, Ryuji Fujii, Hideki Tanzawa, Natsuo Nishijima, Jian Hui Huang +4 more | 2013-11-19 |
| 8537643 | Light source chip and a thermally assisted head with the same, and manufacturing methods thereof | Ryuji Fujii, Hideki Tanzawa, Yasuhiro Konakawa | 2013-09-17 |