Issued Patents All Time
Showing 26–50 of 123 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8159782 | Thin film magnetic head having heating element | Sumihito Morita, Tomoo Otsuka | 2012-04-17 |
| 8125733 | Perpendicular magnetic recording head and manufacturing method thereof | Hisayuki Yazawa | 2012-02-28 |
| 8072710 | Thin-film magnetic head that locally projects an element part toward a recording medium by thermal expansion | Mitsuo Kawasaki, Tomoo Otsuka, Hironori Namba, Yusuke KANEKUNI | 2011-12-06 |
| 8054578 | Perpendicular magnetic recording head that suppresses side fringing | Hiroshi Kameda | 2011-11-08 |
| 8049988 | Perpendicular magnetic recording head that suppresses side fringing | Hiroshi Kameda | 2011-11-01 |
| 8045293 | Thin film magnetic head including thermal deformation-preventing layer | Sumihito Morita, Tomoo Otsuka, Hironori Namba | 2011-10-25 |
| 8045292 | Perpendicular magnetic recording head with the return yoke layer having gradually increasing the width | Yusuke Toma, Toru Takahashi, Hiroshi Kameda | 2011-10-25 |
| 8045291 | Perpendicular magnetic recording head and manufacturing method thereof | Tomoo Otsuka | 2011-10-25 |
| 8036100 | Digital signal demultiplexing apparatus and digital signal multiplexing apparatus | Masazumi Ueba | 2011-10-11 |
| 8018680 | Vertical magnetic recording head device with the return yoke layer having thick portions | Yusuke Toma, Hiroshi Kameda, Toru Takahashi | 2011-09-13 |
| 7983010 | Perpendicular magnetic recording head and perpendicular magnetic recording/reproducing head with at least one shield layer having a substantially arched portion | Yusuke Toma, Hiroshi Kameda, Toru Takahashi, Sumihito Morita | 2011-07-19 |
| 7957096 | Perpendicular magnetic recording head and method of manufacturing same | Akira Miyatake, Shuji MAEKAWA, Tomoo Otsuka, Hideyuki Nakano | 2011-06-07 |
| 7936742 | Digital signal demultiplexing device and multiplexing device | Hiroshi Tanaka, Hiroshi Kazama | 2011-05-03 |
| 7903378 | Magnetic head structure and method for manufacturing magnetic head structure | Toru Takahashi, Eiji Ozaki | 2011-03-08 |
| 7903373 | Thin film magnetic head having heating element | Sumihito Morita, Tomoo Otsuka | 2011-03-08 |
| 7903371 | Perpendicular magnetic recording head and perpendicular magnetic recording/reproducing head having a magnetic shield layer with a thick edge portion | Yusuke Toma, Hiroshi Kameda, Toru Takahashi, Sumihito Morita, Toshinori Watanabe | 2011-03-08 |
| 7894160 | Thin-film magnetic head controlling floating amount by locally projecting element portion toward recording medium by thermal expansion and method of manufacturing the same | Kunio Koizumi, Kenji Ichinohe | 2011-02-22 |
| 7852603 | Perpendicular magnetic recording head capable of suppressing problem such as erasure of magnetic data | Hiroshi Kameda | 2010-12-14 |
| 7821744 | Thin film magnetic head substrate with lapping process monitors for read and write elements with common electrode for the read and write elements | Toru Takahashi | 2010-10-26 |
| 7764465 | Thin-film magnetic head with a spiral recording coil having a first part with a denser pitch closer to the medium facing surface than a second coil part and all set between a pair of magnetic layers | Sumihito Morita, Toru Takahashi | 2010-07-27 |
| 7764464 | Thin film magnetic head having solenoidal coil and method of manufacturing the same | — | 2010-07-27 |
| 7760466 | Thin film magnetic head with a metal lamination part having concave connection surface | Hideki Gochou | 2010-07-20 |
| 7742259 | Perpendicular magnetic recording head capable of suppressing PTP and obtaining stabilized recording medium and method of manufacturing the same | Hiroshi Kameda | 2010-06-22 |
| 7692894 | Thin film magnetic head that has solenoid type recording coil | — | 2010-04-06 |
| 7667927 | Magnetic head having toroidal coil layer and manufacturing method thereof | Toru Takahashi | 2010-02-23 |