Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12400679 | Thermally assisted magnetic head, head gimbal assembly, and hard disk drive | Ryuji Fujii, Seiichi Takayama, Ka Yip Wong, Taku Kosuge | 2025-08-26 |
| 12027179 | Thermally assisted magnetic head, light source unit bar like member, and hard disk drive | Seiichi Takayama, Ryuji Fujii, 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, Ryuji Fujii | 2024-01-30 |
| 10486283 | Manufacturing method of a slider | Chiuming Lueng, Mankit Lee, Lorest Garcia Pingul, Cheukman Lui, ChiYuen Mok +3 more | 2019-11-26 |
| 9190084 | Thermal assisted magnetic recording head with protrusion on leading side of plasmon generator | Kenta Hara, Kosuke Tanaka, Tetsuya Roppongi, Ryuji Fujii | 2015-11-17 |
| 8984739 | Method of manufacturing a thermally-assisted magnetic recording head that suppresses protrusion of a plasmon generator | Koji Shimazawa, Tatsuya Shimizu | 2015-03-24 |
| 8984738 | Manufacturing method of a slider and manufacturing apparatus thereof | Chiuming Lueng, Mankit Lee, Lorest Garcia Pingul, Cheukman Lui, ChiYuen Mok +3 more | 2015-03-24 |
| 8861318 | Thermally assisted magnetic write head, and method of manufacturing the same | Tai Boon Lee, Bing Ma, Wei-Liang Chen, Hong Ma, Hideki Tanzawa +4 more | 2014-10-14 |
| 8811127 | Magnetic head comprising recording part, reading part, heater for expansion of the recording part, and heater for expansion of the reading part | Kei Hirata, Koji Shimazawa, Ryuji Fujii | 2014-08-19 |
| 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, Ryo Hosoi +2 more | 2014-02-18 |
| 8588040 | Thermally assisted magnetic head slider, head gimbal assembly, and hard disk drive with the same, and manufacturing method thereof | Ryuji Fujii, Hideki Tanzawa, Natsuo Nishijima, Tai Boon Lee, Jian Hui Huang +4 more | 2013-11-19 |
| 8578593 | Method of manufacturing thermal assisted magnetic write head | Kosuke Tanaka, Shinji Hara, Tsutomu Chou | 2013-11-12 |
| 7287316 | Lapping monitor device, system and method | Noriaki Kasahara, Nozomu Hachisuka | 2007-10-30 |
| 6500049 | Lapping oil composition for finish-grinding | Kazuya Orii, Isao Saito, Toshimichi Sakurada, Masao Yamaguchi | 2002-12-31 |
| 6497611 | Method of polishing a magnetic head slider | Toshimichi Sakurada, Masao Yamaguchi, Kazuo Orii, Isao Saito | 2002-12-24 |
| 6444132 | Free abrasive slurry compositions | Kazuya Orii, Tetsuyuki Itakura, Masahiro Sasaki, Masao Yamaguchi | 2002-09-03 |
| 6383239 | Free abrasive slurry composition and a grinding method using the same | Yasuyuki Suzuki, Tomohiro Kaku, Isao Saito, Kazuya Orii, Masao Yamaguchi +1 more | 2002-05-07 |
| 6095895 | Processing jig | Masao Yamaguchi, Masahiro Sasaki, Masaki Kozu, Kazuhiro Barada | 2000-08-01 |