Tsukuda; Akimitsu

Patent Applications and Registrations

Patent applications and USPTO patent grants for Tsukuda; Akimitsu.The latest application filed is for "porous film, separator for secondary batteries, and secondary battery".

Company Profile

8.26.25

Tsukuda; Akimitsu - Otsu-shi Shiga
Tsukuda; Akimitsu - Otsu JP
Tsukuda; Akimitsu - Shiga N/A JP
Tsukuda; Akimitsu - Kyoto JP
Tsukuda; Akimitsu - Kyoto-fu JP
Tsukuda; Akimitsu - Nagoya JP

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Porous Film, Separator For Secondary Batteries, And Secondary Battery App 20220013861 - Kai; Nobuyasu ; et al.	2022-01-13
Porous film, separator for secondary batteries, and secondary battery Grant 10,950,914 - Kai , et al. March 16, 2	2021-03-16
Porous Film, Separator For Secondary Cell, And Secondary Cell App 20200358066 - Kai; Nobuyasu ; et al.	2020-11-12
Porous Film, Separator For Secondary Batteries, And Secondary Battery App 20200321586 - Ikoma; Kei ; et al.	2020-10-08
Porous Film, Separator For Secondary Batteries, And Secondary Battery App 20200295331 - Kai; Nobuyasu ; et al.	2020-09-17
Secondary battery separator and secondary battery Grant 10,777,796 - Kai , et al. Sept	2020-09-15
Multilayer film Grant 10,751,980 - Sawamoto , et al. A	2020-08-25
Porous Film, Separator For Rechargeable Battery, And Rechargeable Battery App 20200099031 - Kai; Nobuyasu ; et al.	2020-03-26
Porous Film, Separator For Secondary Batteries, And Secondary Battery App 20190319238 - Ikoma; Kei ; et al.	2019-10-17
Multilayer Film App 20190217587 - Sawamoto; Atsushi ; et al.	2019-07-18
Polymer-ion-permeable membrane, composite-ion-permeable membrane, battery electrolyte membrane, and electrode composite Grant 10,305,143 - Sawamoto , et al.	2019-05-28
Secondary Battery Separator And Secondary Battery App 20190103593 - Kai; Nobuyasu ; et al.	2019-04-04
Polymer-ion-permeable membrane, composite-ion-permeable membrane, battery electrolyte membrane, and electrode composite Grant 10,173,179 - Sawamoto , et al. J	2019-01-08
Aromatic polyamide porous film, separator for battery, and battery Grant 10,044,017 - Sawamoto , et al. August 7, 2	2018-08-07
Polymer-ion-permeable Membrane, Composite-ion-permeable Membrane, Battery Electrolyte Membrane, And Electrode Composite App 20170358817 - Sawamoto; Atsushi ; et al.	2017-12-14
Polymer-ion-permeable Membrane, Composite-ion-permeable Membrane, Battery Electrolyte Membrane, And Electrode Composite App 20170320021 - Sawamoto; Atsushi ; et al.	2017-11-09
Aromatic Polyamide Porous Film, Separator For Battery, And Battery App 20140329155 - Sawamoto; Atsushi ; et al.	2014-11-06
Retardation film and polyester resin for optical use Grant 8,859,648 - Moriyama , et al. October 14, 2	2014-10-14
Aromatic polyamide porous film and separator for capacitor or battery using the same Grant 8,815,384 - Sawamoto , et al. August 26, 2	2014-08-26
Light-condensing film, liquid-crystal panel and backlight as well as manufacturing process for light-condensing film Grant 8,477,267 - Fujisawa , et al. July 2, 2	2013-07-02
Aromatic Polyamide Porous Film And Separator For Capacitor Or Battery Using The Same App 20120308898 - Sawamoto; Atsushi ; et al.	2012-12-06
Alicyclic or aromatic polyamides, polyamide films, optical members made by using the same, and polyamide copolymers Grant 8,153,753 - Moriyama , et al. April 10, 2	2012-04-10
Light-Condensing Film, Liquid-Crystal Panel and Backlight as well as Manufacturing Process for Light-Condensing Film App 20110126975 - FUJISAWA; Katsuya ; et al.	2011-06-02
Method for producing a film of an aromatic amide oxadiazole polymer containing an oxadiazole structure and the film so produced Grant 7,868,102 - Moriyama , et al. January 11, 2	2011-01-11
Aromatic polyamide porous film, process for producing the same and secondary battery Grant 7,866,487 - Sueoka , et al. January 11, 2	2011-01-11
Light-condensing film, liquid-crystal panel and backlight as well as manufacturing process for light-condensing film Grant 7,852,435 - Fujisawa , et al. December 14, 2	2010-12-14
Method for producing a film of an aromatic amide oxadiazole polymer containing an oxadiazole structure and the film so produced App 20100016521 - Moriyama; Hideki ; et al.	2010-01-21
Retardation film and polyester resin for optical use App 20090207490 - Moriyama; Hideki ; et al.	2009-08-20
Compound having oxadiazole structure and a dehydration-cyclization method for producing the same App 20090182171 - MORIYAMA; Hideki ; et al.	2009-07-16
Film and magnetic-recording medium using the same Grant 7,531,252 - Sueoka , et al. May 12, 2	2009-05-12
Aromatic polymer, film, electrolyte membrane and separator Grant 7,511,112 - Moriyama , et al. March 31, 2	2009-03-31
Aromatic Polyamide Porous Film, Process for Producing the Same and Secondary Battery App 20080113177 - Sueoka; Masanori ; et al.	2008-05-15
Aromatic polyamide resin moldings, production methods thereof, and magnetic recording medium produced therefrom Grant RE40,039 - Tsukuda , et al. January 29, 2	2008-01-29
Liquid-Crystal Panel, Manufacturing Process Therefor and Electronic Device Equipped with Liquid-Crystal Panel App 20070258022 - Takechi; Kazushige ; et al.	2007-11-08
Acrylic Resin Films and Process for Producing the Same App 20070243364 - Maekawa; Shigetoshi ; et al.	2007-10-18
Film and magnetic-recording medium using the same App 20070082232 - Sueoka; Masanori ; et al.	2007-04-12
Light condensing film, liquid-crystal panel and backlight a well as manufacturing process for light-condensing film App 20060279679 - Fujisawa; Katsuya ; et al.	2006-12-14
Aromatic polymer, film, electrolyte membrane and separator App 20060204812 - Moriyama; Hideki ; et al.	2006-09-14
Alicyclic or aromatic polyamides, polyamide films, optical members made by using the same, and polyamide copolymers App 20060106193 - Moriyama; Hideki ; et al.	2006-05-18
Highly size-stabilized polymer film and magnetic recording medium using the film Grant 6,797,381 - Tsukuda , et al. September 28, 2	2004-09-28
Magnetic recording medium Grant 6,468,628 - Sueoka , et al. October 22, 2	2002-10-22
Aromatic polyamide film and magnetic recording medium using it Grant 6,358,619 - Sueoka , et al. March 19, 2	2002-03-19
Magnetic recording medium App 20010008714 - Sueoka, Masanori ; et al.	2001-07-19
Aromatic polyamide film, method of manufacturing the same and magnetic recording medium using the same film Grant 5,993,938 - Tsukuda , et al. November 30, 1	1999-11-30
Magnetic recording medium having specified base film surface characteristics Grant 5,686,166 - Tsukuda , et al. November 11, 1	1997-11-11
Biaxially stretched isotropic polyimide film having specific properties Grant 5,460,890 - Okahashi , et al. October 24, 1	1995-10-24

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