Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9443546 | Magnetic tape and method for producing the same | — | 2016-09-13 |
| 8647756 | Magnetic tape and method for producing the same | — | 2014-02-11 |
| 8349475 | Magnetic tape and method for producing the same | — | 2013-01-08 |
| 7593177 | Recording/reproducing method of magnetic tape | Masao Okafuji, Tsugihiro Doi, Hiroyuki Mitsuhashi, Seigi Kawarai, Sadamu Kuse | 2009-09-22 |
| 7545597 | Recording/reproducing method of magnetic tape | Masao Okafuji, Tsugihiro Doi, Hiroyuki Mitsuhashi, Seigi Kawarai, Sadamu Kuse | 2009-06-09 |
| 7517598 | Magnetic recording medium utilizing specified non-magnetic particles in the magnetic layer | Ken Yoshimura | 2009-04-14 |
| 7494728 | Magnetic tape and magnetic tape cartridge | Sadamu Kuse, Tsugihiro Doi, Mikio Kishimoto | 2009-02-24 |
| 7445858 | Magnetic recording medium using magnetic powder having a core portion and an outer layer portion including a rare earth element and magnetic recording cassette | Sadamu Kuse, Tsugihiro Doi, Mikio Kishimoto, Yuji Sasaki, Hideaki Watanabe | 2008-11-04 |
| 7291409 | Magnetic recording medium using magnetic powder having a core portion and an outer layer portion including a rare earth element and magnetic recording cassette | Sadamu Kuse, Tsugihiro Doi, Mikio Kishimoto, Yuji Sasaki, Hideaki Watanabe | 2007-11-06 |
| 7267896 | Magnetic tape and magnetic tape cartridge | Sadamu Kuse, Tsugihiro Doi, Mikio Kishimoto, Yuji Sasaki, Hideaki Watanabe | 2007-09-11 |
| 7259935 | Magnetic tape including an intermediate layer consisting essentially of a binder | Tsugihiro Doi | 2007-08-21 |
| 7253988 | Recording/reproducing method of magnetic tape | Masao Okafuji, Tsugihiro Doi, Hiroyuki Mitsuhashi, Seigi Kawarai, Sadamu Kuse | 2007-08-07 |
| 7175927 | Magnetic recording medium utilizing specified non-magnetic particles in the magnetic layer | Ken Yoshimura | 2007-02-13 |
| 7170709 | Recording/reproducing method of magnetic tape | Masao Okafuji, Tsugihiro Doi, Hiroyuki Mitsuhashi, Seigi Kawarai, Sadamu Kuse | 2007-01-30 |
| 5776596 | Magnetic recording medium having a magnetic layer and intermediate layer each containing a specified fatty acid and fatty acid ester | Toshio Yamazaki, Shigeaki Wakana, Satoshi Nagai | 1998-07-07 |