Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7169487 | Magnetic recording medium | Teiichiro Umezawa, Hirotaka Tanaka, Masaki Uemura | 2007-01-30 |
| 7081308 | Magnetic recording medium | Teiichiro Umezawa, Hirotaka Tanaka, Masaki Uemura | 2006-07-25 |
| 6428396 | Method of producing a substrate for an information recording medium and method of producing an information recording medium | Hideki Isono, Hiroshi Takeda | 2002-08-06 |
| 5954927 | Method of manufacturing magnetic recording medium | Masato Kobayashi, Osamu Nozawa, Keiji Moroishi, Takashi Sato, Junichi Horikawa | 1999-09-21 |
| 5900324 | Magnetic recording media, methods for producing the same and magnetic recorders | Keiji Moroishi, Takashi Sato, Jun Horikawa, Masato Kobayashi, Osamu Nozawa | 1999-05-04 |
| 5766727 | Magnetic recording medium and method for manufacturing the same | Keiji Moroishi, Kivoshi Sato, Isao Kawasumi | 1998-06-16 |
| 5746893 | Method of manufacturing magnetic recording medium | Masato Kobayashi, Osamu Nozawa, Keiji Moroishi, Takashi Sato, Junichi Horikawa | 1998-05-05 |
| 5640089 | Method and apparatus for surface roughness detection - using a magnetoresistive element | Junichi Horikawa | 1997-06-17 |
| 5087482 | Method of manufacturing magnetic recording medium capable of recording information at a high recording density | Akinori Kurikawa, Hisanori Suzuki | 1992-02-11 |
| 5029317 | Magnetic recording medium capable of recording information at a high recording density | Akinori Kurikawa, Hisanori Suzuki | 1991-07-02 |
| 4634639 | Electroluminescent panel having a light absorption layer of germanium oxide | — | 1987-01-06 |
| 4590128 | Thin film EL element | — | 1986-05-20 |
| 4568791 | Solar cell comprising an undulated transparent conductive layer | — | 1986-02-04 |