Issued Patents All Time
Showing 26–50 of 70 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5543221 | Magnetic recording medium | Osamu Kitakami, Yoichi Ogawa | 1996-08-06 |
| 5480694 | Magnetic recording medium | Hideo Daimon, Osamu Kitakami | 1996-01-02 |
| 5191859 | Water pumping apparatus for an internal combustion engine | — | 1993-03-09 |
| 5190005 | Attaching structure for oil pump of engine | Hiroshi Saito | 1993-03-02 |
| 5184579 | Cylinder head structure of internal combustion engine | — | 1993-02-09 |
| 5172663 | Valve gear lubricating device of engine | — | 1992-12-22 |
| 5139884 | Magnetic recording medium comprising an aluminum substrate in which pores formed by anodic oxidation contain crystallographicaly discontinuous particles of Fe-alloy | Hideo Daimon, Yoichi Ogawa, Osamu Kitakami | 1992-08-18 |
| 5135818 | Thin soft magnetic film and method of manufacturing the same | Yutaka Shimada, Akihiko Hosono | 1992-08-04 |
| 5068152 | Magnetic recording medium | Tsuyoshi Maro, Osamu Kitakami | 1991-11-26 |
| 5068144 | Perpendicular magnetic recording medium and method for producing the same | Osamu Kitakami, Kiyotaka Ojima, Youichi Ogawa, Kunio Wakai | 1991-11-26 |
| 5059337 | Soft magnetic materials comprising 9 to 15 atomic percent carbon atoms | Tsuyoshi Maro, Osamu Kitakami, Kunio Wakai | 1991-10-22 |
| 5057955 | Composite magnetic head | Osamu Inagoya, Takeshi Tottori, Kazunari Nakagawa, Hirosuke Mikami | 1991-10-15 |
| 5021276 | Optical data recording medium and manufacturing method thereof | Hisamitsu Kamezaki, Masashi Suenaga, Osamu Saito, Shin-ichiro Iuchi, Hitoshi Watanabe +1 more | 1991-06-04 |
| 4996089 | Optical data recording medium | Osamu Saito, Hisamitsu Kamezaki, Masashi Suenaga, Ryo Nagai, Shinichiro Iuchi +1 more | 1991-02-26 |
| 4987039 | Magnetic recording medium | Hideo Daimon, Osamu Kitakami | 1991-01-22 |
| 4972285 | Amorphous magnetic alloy of Co-Nb-Zr system and magnetic head made from the same | Shigekazu Otomo, Noriyuki Kumasaka, Shinji Takayama, Takeo Yamashita, Noritoshi Saito +1 more | 1990-11-20 |
| 4948667 | Magnetic head | Hirosuke Mikami, Takeshi Tottori | 1990-08-14 |
| 4941064 | Magnetic head having a pair of cores in which the opposing surfaces thereof are coated with a non-magnetic layer and a low melting point glass layer | Takeshi Tottori, Osamu Inagoya | 1990-07-10 |
| 4933797 | Arrangement for preventing entrance of harmful particles for use in a cartridge | Hikaru Mizutani, Kunio Wakai, Hideaki Niimi, Noboru Isoe, Toshio Doi | 1990-06-12 |
| 4928382 | Method of the production of a magnetic head | Takeshi Tottori, Osamu Inagoya, Hirosuke Mikami | 1990-05-29 |
| 4895758 | Magnetic recording medium | Akito Sakemoto, Kunio Mizushima, Akira Miyake | 1990-01-23 |
| 4870523 | Magnetic head apparatus used for movable magnetic medium with head gap positioning | Osamu Inagoya, Yoshito Tanaka, Takeshi Ohnuki | 1989-09-26 |
| 4866555 | Magnetic head | Osamu Inagoya | 1989-09-12 |
| 4840844 | Magnetic recording medium | Masaaki Futamoto, Yukio Honda, Shinichiro Saito, Takashi Nishimura, Kazuetsu Yoshida +6 more | 1989-06-20 |
| 4828919 | Magnetic recording medium and process for preparing the same | Osamu Kitakami, Tsuyoshi Maro | 1989-05-09 |