Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6477136 | Optical recording medium | Yuichi Sakurai, Kouji Takazawa, Mitsuru Ito, Takuya Hayashi | 2002-11-05 |
| 5527479 | Lubricating composition and recording medium using the same | Hideki Nagano | 1996-06-18 |
| 5219663 | Magnetic recording medium having a magnetic layer formed from an aromatic polycarbonate polyurethane resin | Kenji Kohno, Kazushi Miyata, Hiroshi Higashi | 1993-06-15 |
| 5045622 | Polycarbonate polyol, aromatic polycarbonate polyurethane resin, coating agent, cast film, magnetic recording medium | Kenji Kohno, Kazushi Miyata, Hiroshi Higashi | 1991-09-03 |