Inventor
TSUKUDA AKIMITSU
JP31 patents
⚠️ This page may combine multiple inventors who share the name “TSUKUDA AKIMITSU”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TORAY INDUSTRIES
23 patentsUS6274220B1Aug 14, 2001
Aromatic polyamide resin moldings, production methods thereof, and magnetic recording medium produced therefrom
TORAY INDUSTRIES31 citations92
US5993938ANov 30, 1999
Aromatic polyamide film, method of manufacturing the same and magnetic recording medium using the same film
TORAY INDUSTRIES28 citations91
US7531252B2May 12, 2009
Film and magnetic-recording medium using the same
TORAY INDUSTRIES10 citations83
US7866487B2Jan 11, 2011
Aromatic polyamide porous film, process for producing the same and secondary battery
TORAY INDUSTRIES8 citations79
US6368722B1Apr 9, 2002
Laminated film and process
TORAY INDUSTRIES9 citations74
US7511112B2Mar 31, 2009
Aromatic polymer, film, electrolyte membrane and separator
TORAY INDUSTRIES7 citations73
US5969080AOct 19, 1999
Film made of an aromatic polyamide and/or aromatic polyimide and a magnetic recording medium using it
TORAY INDUSTRIES8 citations72
US5686166ANov 11, 1997
Magnetic recording medium having specified base film surface characteristics
TORAY INDUSTRIES7 citations72
US6358619B1Mar 19, 2002
Aromatic polyamide film and magnetic recording medium using it
TORAY INDUSTRIES7 citations71
US10751980B2Aug 25, 2020
Multilayer film
TORAY INDUSTRIES3 citations70
US6797381B1Sep 28, 2004
Highly size-stabilized polymer film and magnetic recording medium using the film
TORAY INDUSTRIES10 citations70
US12002988B2Jun 4, 2024
Porous film including porous base and porous layer having inorganic particles and resin particles containing fluoro (meth)acrylate-containing or silicon-containing polymer, separator for secondary batteries, and secondary battery
TORAY INDUSTRIES2 citations68
US7868102B2Jan 11, 2011
Method for producing a film of an aromatic amide oxadiazole polymer containing an oxadiazole structure and the film so produced
TORAY INDUSTRIES2 citations62
US6468628B2Oct 22, 2002
Magnetic recording medium
TORAY INDUSTRIES5 citations62
US5645918AJul 8, 1997
Magnetic recording medium having an aromatic polyamide substrate
TORAY INDUSTRIES2 citations61
US10777796B2Sep 15, 2020
Secondary battery separator and secondary battery
TORAY INDUSTRIES1 citations59
US11742514B2Aug 29, 2023
Porous film, separator for secondary batteries, and secondary battery
TORAY INDUSTRIES0 citations57
US11637351B2Apr 25, 2023
Porous film, separator for rechargeable battery, and rechargeable battery
TORAY INDUSTRIES0 citations57
US10950914B2Mar 16, 2021
Porous film, separator for secondary batteries, and secondary battery
TORAY INDUSTRIES0 citations57
USRE40039EJan 29, 2008
Aromatic polyamide resin moldings, production methods thereof, and magnetic recording medium produced therefrom
TORAY INDUSTRIES0 citations51
US6010765AJan 4, 2000
Aromatic polyamide film
TORAY INDUSTRIES0 citations50
US10173179B2Jan 8, 2019
Polymer-ion-permeable membrane, composite-ion-permeable membrane, battery electrolyte membrane, and electrode composite
TORAY INDUSTRIES0 citations45
US10305143B2May 28, 2019
Polymer-ion-permeable membrane, composite-ion-permeable membrane, battery electrolyte membrane, and electrode composite
TORAY INDUSTRIES0 citations35