Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10751980 | Multilayer film | Atsushi Sawamoto, Kazuma Matsui, Kohei Sato, Akimitsu Tsukuda, Junji Michizoe +1 more | 2020-08-25 |
| 8927632 | Polylactic acid based film | Gouhei Yamamura, Jun Sakamoto, Masayuki Hirota | 2015-01-06 |
| 7866487 | Aromatic polyamide porous film, process for producing the same and secondary battery | Kenta Nishihara, Akimitsu Tsukuda | 2011-01-11 |
| 7531252 | Film and magnetic-recording medium using the same | Akimitsu Tsukuda | 2009-05-12 |
| RE40039 | Aromatic polyamide resin moldings, production methods thereof, and magnetic recording medium produced therefrom | Akimitsu Tsukuda, Toshihiro Tsuzuki | 2008-01-29 |
| 6468628 | Magnetic recording medium | Akimitsu Tsukuda, Nobuaki Ito | 2002-10-22 |
| 6358619 | Aromatic polyamide film and magnetic recording medium using it | Mitsuhiro Horiuchi, Akimitsu Tsukuda | 2002-03-19 |
| 6274220 | Aromatic polyamide resin moldings, production methods thereof, and magnetic recording medium produced therefrom | Akimitsu Tsukuda, Toshihiro Tsuzuki | 2001-08-14 |
| 6177384 | Image transfer material for thermal recording | Toshihiro Tsuzuki | 2001-01-23 |
| 5972474 | Aromatic polyamide and/or aromatic polyimide film and magnetic recording medium having such a film as a base | Toshihiro Tsuzuki, Nobuaki Itoh | 1999-10-26 |