Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7556681 | Ink for ink-jet recording | Hirotaka Iijima | 2009-07-07 |
| RE36220 | Magnetic recording medium having a magnetic layer with specified limits of both RA and R10Z surface roughness | Takahiro Mori, Hisato Kato, Kazuyoshi Imai, Takahiro Hayashi | 1999-06-01 |
| 5545462 | Magnetic recording medium | Narito Goto, Masanori Isshiki, Nobuyuki Sekiguchi, Katsuyuki Takeda, Hideki Takahashi | 1996-08-13 |
| 5480713 | Magnetic recording medium | Narito Goto, Katsuyuki Takeda, Nobuyuki Sekiguchi, Hideki Takahashi, Ryosuki Isobe +1 more | 1996-01-02 |
| 5478626 | Magnetic recording medium having a magnetic layer with specified limits of both Ra and R10z surface roughness | Takahiro Mori, Hisato Kato, Kazuyoshi Imai, Takahiro Hayashi | 1995-12-26 |
| 5460876 | Magnetic recording medium | Takafumi Yanagita | 1995-10-24 |
| 5449527 | Method of producing magnetic recording medium | Seiichi Tobisawa, Ryosuke Isobe | 1995-09-12 |
| 5324582 | Magnetic recording medium | Narito Goto, Katsuyuki Takeda, Nobuyuki Sekiguchi | 1994-06-28 |
| 5320901 | Magnetic recording medium | Narito Goto, Katsuyuki Takeda, Nobuyuki Sekiguchi | 1994-06-14 |
| 5304416 | Magnetic recording medium | Narito Goto, Katsuyuki Takeda, Nobuyuki Sekiguchi | 1994-04-19 |
| 5215833 | Magnetic recording medium | Narito Goto, Katsuyuki Takeda, Nobuyuki Sekiguchi | 1993-06-01 |
| 5153079 | Magnetic recording medium comprising ferromagnetic powder and polar group containing ginder resins having different glass transition temperatures | Kiyoshi Sawada, Ryosuke Isobe, Takahiro Mori, Yuki Ando | 1992-10-06 |
| 5151330 | Magnetic recording medium comprising magnetic particles and a polyurethane resin binder having a polycaprolactone structural unit | Kenji Kumamoto | 1992-09-29 |
| 5149585 | Magnetic recording medium | Narito Goto, Katsuyuki Takeda, Nobuyuki Sekiguchi | 1992-09-22 |
| 5094916 | Magnetic recording medium comprising a polyurethane binder resin having a specified glass transition, molecular weight, and polar group content | Kiyoshi Sawada, Ryosuke Isobe, Takahiro Mori, Yuki Ando | 1992-03-10 |
| 5061516 | Production method for magnetic recording medium | Ryosuke Isobe, Kiyoshi Sawada, Takahiro Mori, Yuki Ando | 1991-10-29 |
| 4731292 | Magnetic recording medium | Yoshitaka Yasufuku, Toshiaki Shibue, Kazumasa Matsumoto | 1988-03-15 |