Issued Patents All Time
Showing 51–65 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7459748 | Semiconductor memory device | Riichiro Shirota, Fumitaka Arai, Toshiyuki Enda, Hiroyoshi Tanimoto, Naoki Kusunoki +3 more | 2008-12-02 |
| 7432561 | Non-volatile semiconductor memory and method for manufacturing a non-volatile semiconductor memory | Fumitaka Arai | 2008-10-07 |
| 7368783 | Semiconductor device | Takashi Shinohe | 2008-05-06 |
| 6969887 | Semiconductor device | Takashi Shinohe | 2005-11-29 |
| 6479257 | Method of activating protein and an apparatus therefor | Akira Miyauchi, Makoto Ozawa, Masato Yoshida | 2002-11-12 |
| 5936794 | Media library system using media management scheme for reducing recording medium access time | Nobuyoshi Izawa, Kikuji Katoh, Yoshihiro Isomura, Yoshihiro Sako | 1999-08-10 |
| 5598385 | Media library system with improved media management scheme | Shigetaro Iwatsu, Masao Sakai, Masahiro Ueno, Nobuyoshi Izawa, Kikuji Katou | 1997-01-28 |
| 5496606 | Magnetic recording medium | — | 1996-03-05 |
| 5413873 | Magnetic recording medium having a glass or amorphous carbon substrate, vanadium or molybdenum precoat layer, chromium primer layer and cobalt magnetic layer | — | 1995-05-09 |
| 5242728 | Magnetic recording medium | — | 1993-09-07 |
| 5024903 | Magnetic recording medium having a magnetic layer of a quaternary alloy | — | 1991-06-18 |
| 4903151 | Head positioning system for positioning a multiple head with respect to data and servo trasks of a recording medium | Akio Mitamura, Ryoichi Arai, Yasunaga Mitsuya, Tetsuo Mikazuki | 1990-02-20 |
| 4796112 | Actuator access control system for a magnetic head using trapezoidal drive current | Koji Otani, Shuichi Takanami | 1989-01-03 |
| 4753852 | Magnetic recording medium comprising a magnetic Co-Ni-Cr alloy thin layer | Toshio Kato, Toshikazu Nishihara, Toshiro Abe, Akihiro Kimura | 1988-06-28 |
| 4626480 | Magnetic recording medium comprising a vacuum-deposited magnetic film of a magnetic material and a tungsten oxide and method for making the same | Masanobu Shigeta, Toshikazu Nishihara | 1986-12-02 |