Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5439755 | Magnetic recording medium comprising a magnetic recording layer, an intermediate layer, a metallic thermal recording layer and a protective layer | Minoru Fujita, Kenji Sugaya | 1995-08-08 |
| 5294587 | Thermal recording medium | Shigeru Nakagami, Haruhiko Ohsawa, Yutaka Takagi, Tadahide Sugimoto, Minoru Fujita | 1994-03-15 |
| 5160833 | Magnetic recording medium having authenticating poles at its edge | — | 1992-11-03 |
| 5113062 | Magnetic card having thermal recording layer and arrangement of magnetic bars for recording security information | Minoru Fujita | 1992-05-12 |
| 4682017 | Shock-resistant integrated circuit card | Masao Muramatsu, Kouichi Ueno | 1987-07-21 |
| 4321816 | Metal tube and apparatus and method for manufacturing the same | Norihiro Tsujii, Kenichi Nakanishi, Yuji Sakai, Masanori Saigo | 1982-03-30 |
| 4200051 | Collapsible tube and method of manufacture | Norihiro Tsujii, Kenichi Nakanishi, Katsuaki Terada, Yuji Sakai, Toshitaka Sunahara +1 more | 1980-04-29 |