Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11876055 | Semiconductor device and semiconductor wafer | Kenichi Furuta, Masao Tsujimoto, Masahiro Haraguchi, Tsuyoshi Inoue, Yuuichi Kaneko +2 more | 2024-01-16 |
| 6294484 | Method of forming TEOS oxide films | — | 2001-09-25 |
| 5981375 | Method of manufacturing a semiconductor device | Michitaka Tominaga | 1999-11-09 |
| 5675453 | Core slider for magnetic disk, having opposed recesses defining narrow final track which determines nominal magnetic gap width | Soichiro Matsuzawa | 1997-10-07 |
| 5522126 | Method of manufacturing a composite magnetic head | Tetsuo Miwa, Masatomo Yamauchi, Soichiro Matsuzawa | 1996-06-04 |
| 5396389 | Thin-film magnetic circuit board and magnetic head using the same | Soichiro Matsuzawa | 1995-03-07 |
| 5388325 | Process for fabricating a magnetic head core slider | Soichiro Matsuzawa | 1995-02-14 |
| 5390062 | Thin-film magnetic circuit board and magnetic head using the same | Soichiro Matsuzawa, Yayo Akai | 1995-02-14 |
| 5297330 | Method of producing core slider for rigid magnetic disc drive | Soichiro Matsuzawa, Hiroaki Yui | 1994-03-29 |
| 5296982 | Thin-film magnetic head having slider body formed of ferrite | Soichiro Matsuzawa | 1994-03-22 |
| 5285342 | Core chip for magnetic head core slider, having marker indicating grinding depth to establish nominal depth of magnetic gap | Soichiro Matsuzawa | 1994-02-08 |
| 5177654 | Core slider for rigid magnetic disc drive | Soichiro Matsuzawa, Hiroaki Yui | 1993-01-05 |
| 5138508 | Magnetic head core | Soichiro Matsuzawa, Fuminori Takeya | 1992-08-11 |
| 5107382 | Head core slider having an air bearing surface of a particular configuration | Soichiro Matsuzawa, Fuminori Takeya, Michael I. Aronoff | 1992-04-21 |
| 5084129 | Method of producing composite type, metal-in-gap magnetic head core | Naoya Fukuda, Masahiro Masuda, Eigo Hirotsuzi | 1992-01-28 |
| 5043842 | Magnetic head core with special gap structure | Masataka Shimizu, Soichiro Matsuzawa | 1991-08-27 |
| 5020213 | Method of producing a head core slider | Michael I. Aronoff, Soichiro Matsuzawa | 1991-06-04 |
| 5014414 | Method for producing a magnetic head core | Soichiro Matsuzawa, Fuminori Takeya | 1991-05-14 |
| 5003688 | Method of producing a magnetic head core having track-width defining cut outs formed on opposite side of a magnetic gap | Masataka Shimizu, Soichiro Matsuzawa | 1991-04-02 |
| 4948460 | Method of producing head core slider for rigid magnetic disk drive, utilizing laser-induced etching | Hideto Sandaiji, Fuminori Takeya | 1990-08-14 |
| 4896235 | Magnetic transducer head utilizing magnetoresistance effect | Hiroshi Takino, Shigeyoshi Imakoshi, Norio Saito, Hideo Suyama, Kenichiro Tsunewaki | 1990-01-23 |