Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7593177 | Recording/reproducing method of magnetic tape | Tsugihiro Doi, Tetsutaro Inoue, Hiroyuki Mitsuhashi, Seigi Kawarai, Sadamu Kuse | 2009-09-22 |
| 7545597 | Recording/reproducing method of magnetic tape | Tsugihiro Doi, Tetsutaro Inoue, Hiroyuki Mitsuhashi, Seigi Kawarai, Sadamu Kuse | 2009-06-09 |
| 7253988 | Recording/reproducing method of magnetic tape | Tsugihiro Doi, Tetsutaro Inoue, Hiroyuki Mitsuhashi, Seigi Kawarai, Sadamu Kuse | 2007-08-07 |
| 7170709 | Recording/reproducing method of magnetic tape | Tsugihiro Doi, Tetsutaro Inoue, Hiroyuki Mitsuhashi, Seigi Kawarai, Sadamu Kuse | 2007-01-30 |