Issued Patents All Time
Showing 26–50 of 53 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5302560 | Process for the production of magnetic head sliders | Yoshiaki Katsuyama, Mitsuhiko Furukawa, Takashi Kitahira, Michito Miyahara, Kiyohito Misumi +1 more | 1994-04-12 |
| 5227830 | Automatic camera | Takafumi Yoshihara | 1993-07-13 |
| 5225953 | Magnetic thin film head of a single magnetic pole for perpendicular recording and reproduction | Akio Murata, Hideki Mine | 1993-07-06 |
| 5218499 | Thin-film magnetic head for perpendicular magnetic recording having a magnetic member with grooves crossing at right angles formed in a principal surface thereof | Hideki Mine, Junji Numazawa, Naoto Hayashi | 1993-06-08 |
| 5198950 | Thin-film perpendicular magnetic recording and reproducing head | Hideki Mine | 1993-03-30 |
| 5199085 | Apparatus for restoring original image from degraded image | Nagaaki Ohyama | 1993-03-30 |
| 4953051 | Composite magnetic head | Masateru Nose, Junichi Nakaoka, Akio Murata | 1990-08-28 |
| 4943882 | Thin-film, perpendicular magnetic recording and reproducing head | Akio Murata | 1990-07-24 |
| 4902651 | Material for magnetic head substrate member | Mitsuhiko Furukawa, Masaharu Shiroyama, Mitsuyoshi Nagano, Michito Miyahara, Takashi Kitahira +1 more | 1990-02-20 |
| 4875987 | Grooved magnetic substrates and method for producing the same | Yoshiaki Katsuyama, Junichi Nakaoka | 1989-10-24 |
| 4859638 | Magnetic head sliders, materials therefor, and the process for the production thereof | Yoshiaki Katsuyama, Mitsuhiko Furukawa, Takashi Kitahira, Michito Miyahara, Kiyohito Misumi +1 more | 1989-08-22 |
| 4855854 | Thin-film magnetic head | Akio Murata | 1989-08-08 |
| 4828905 | Magnetic recording medium | Masateru Nose | 1989-05-09 |
| 4816128 | Process for producing substrate member for magnetic recording disc | Junichi Nakaoka, Takayuki Ono | 1989-03-28 |
| 4814915 | Magnetic head slider and material therefor | Mitsuhiko Furukawa, Masaharu Shiroyama, Michito Miyahara, Shigeki Mohri, Mitsuyoshi Nagano | 1989-03-21 |
| 4808455 | Magnetic recording disc and process for producing the same | Yoshiaki Katsuyama, Junichi Nakaoka | 1989-02-28 |
| 4796127 | Recording head slider | Mitsuhiko Furukawa, Masaharu Shiroyama, Michito Miyahara, Mitsuyoshi Nagano, Shigeki Mohri | 1989-01-03 |
| 4794736 | Arrangement for mechanically and accurately processing a workpiece with a position detecting pattern or patterns | Shigehiro Fuwa, Naoki Fujii, Toshikazu Hatsuse, Masaru Ito, Junichi Nakaoka | 1989-01-03 |
| 4777074 | Grooved magnetic substrates and method for producing the same | Yoshiaki Katsuyama, Junichi Nakaoka | 1988-10-11 |
| 4690846 | Recording disk substrate members and process for producing same | Yoshiaki Katsuyama, Junichi Nakaoka | 1987-09-01 |
| 4659606 | Substrate members for recording disks and process for producing same | Yoshiaki Katsuyama | 1987-04-21 |
| 4636420 | Grooved magnetic substrates and method for producing the same | Junichi Nakaoka, Takayuki Sugano | 1987-01-13 |
| 4627733 | Flatness measuring apparatus | — | 1986-12-09 |
| 4608293 | Composite substrate for a thin-film magnetic head | Yoshiaki Katsuyama | 1986-08-26 |
| 4598052 | Alumina base substrate of recording head and process for the production thereof | Mitsuhiko Furukawa, Mitsuyoshi Nagano, Michito Miyahara, Shigeki Mori | 1986-07-01 |