Ameyama; Keitaro

Patent Applications and Registrations

Patent applications and USPTO patent grants for Ameyama; Keitaro.The latest application filed is for "separator for electricity storage device, laminate and porous film".

Company Profile

4.9.9

Ameyama; Keitaro - Tokyo 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
Separator for electricity storage device, laminate and porous film Grant 10,811,659 - Miyazawa , et al. October 20, 2	2020-10-20
Laminated separator, polyolefin microporous membrane, and separator for electricity storage device Grant 10,680,223 - Ohashi , et al.	2020-06-09
Separator for electricity storage device Grant 10,361,415 - Ameyama , et al.	2019-07-23
Separator for Electricity Storage Device, Laminate and Porous Film App 20190140242 - Miyazawa; Hiroshi ; et al.	2019-05-09
Separator for electricity storage device, laminate and porous film Grant 10,153,473 - Miyazawa , et al. Dec	2018-12-11
Laminated polyolefin microporous membrane including propylene copolymer and method of producing the same Grant 9,966,583 - Ohashi , et al. May 8, 2	2018-05-08
Laminated polymicroporous membrane including propylene copolymer and method of producing the same Grant 9,882,190 - Ohashi , et al. January 30, 2	2018-01-30
Laminated polyolefin microporous membrane including propylene-.alpha.-olefin copolymer and method of producing the same Grant 9,853,272 - Ohashi , et al. December 26, 2	2017-12-26
Separator for Electricity Storage Device App 20170263907 - Ameyama; Keitaro ; et al.	2017-09-14
Laminated Separator, Polyolefin Microporous Membrane, and Separator for Electricity Storage Device App 20160254513 - Ohashi; Masahiro ; et al.	2016-09-01
Laminated separator including inorganic particle and polyolefin layer for electricity storage device Grant 9,356,275 - Ohashi , et al. May 31, 2	2016-05-31
Separator for Electricity Storage Device, Laminate and Porous Film App 20150188108 - Miyazawa; Hiroshi ; et al.	2015-07-02
Microporous Membrane App 20140335396 - Onizawa; Takeshi ; et al.	2014-11-13
Laminated Separator, Polyolefin Microporous Membrane, and Separator for Electricity Storage Device App 20140329129 - Ohashi; Masahiro ; et al.	2014-11-06
Laminated Separator, Polyolefin Microporous Membrane, and Separator for Electricity Storage Device App 20140329128 - Ohashi; Masahiro ; et al.	2014-11-06
Laminated Separator, Polyolefin Microporous Membrane, and Separator for Electricity Storage Device App 20140329127 - Ohashi; Masahiro ; et al.	2014-11-06
Laminated Separator, Polyolefin Microporous Membrane, And Separator For Electricity Storage Device App 20120015229 - Ohashi; Masahiro ; et al.	2012-01-19

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