Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6819650 | Optical disc having land pre-pits and variable groove depths | Kenichi Shimomai, Toyohito Asanuma, Tsutomu Matsumoto, Fumitaka Tsuji | 2004-11-16 |
| 6120877 | Magnetic recording medium | Kazuo Shishime | 2000-09-19 |
| 5935703 | Magnetic recording medium and binder for use with magnetic coating in the magnetic recording medium | Tsutomu Yashiro, Ikuo Matsumoto, Osamu Kobayashi, Noboru Watanabe, Masaru Hanayama +2 more | 1999-08-10 |
| 5419961 | Magnetic recording medium with specified transverse and machine direction Young's modulus of the polyester film base | Osamu Kobayashi, Ikuo Matsumoto | 1995-05-30 |
| 5372894 | Magnetic recording media comprising a back coat containing a mixture of a thermosetting resin and photosetting resin and a process therefor | Osamu Kobayashi, Kenichi Kikuchi, Masamichi Saito, Shigeru Nakano | 1994-12-13 |