Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5391429 | Polyester film | Toshifumi Takisawa, Shin-ichi Kinoshita, Masato Fujita | 1995-02-21 |
| 5385768 | Electrically conductive film | Naohiro Takeda | 1995-01-31 |
| 5206084 | Magnetic recording medium comprising an oriented polyester substrate, an antistatic coating of a polymer with pyrrolidium rings in the main chain and a magnetic layer | Naohiro Takeda, Nariaki Okajima, Masahiro Kita | 1993-04-27 |
| 5188891 | Magnetic recording medium comprising a polyester film substrate, a magnetic coating and a specified back coat layer | Naohiro Takeda, Nariaki Okajima, Yoshihiko Ito, Shin-ichi Kinoshita, Masashi Inagaki +1 more | 1993-02-23 |
| 5082730 | Stretched polyester film having an antistatic coating comprising a polymer having pyrrolidium rings in the main chain | Naohiro Takeda, Nariaki Okajima, Masahiro Kita | 1992-01-21 |
| 4895830 | Sublimation type thermal ink transfer printing material | Naohiro Takeda, Nariaki Okajima, Yoshihiko Ito, Shin-ichi Kinoshita | 1990-01-23 |
| 4795672 | Magnetic recording medium | Naohiro Takeda, Masahiro Kita, Nariaki Okajima | 1989-01-03 |