Inventor
Keitaro Ameyama
Inventor
Tokyo, JP
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H01Gprimary
H01GCapacitors13%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy13%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution13%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form11%
C08LCompositions of macromolecular compounds10%
B29CShaping or joining of plastics8%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts8%
B29LIndexing scheme associated with subclass b29c, relating to particular articles8%
Y02TClimate change mitigation technologies related to transportation8%
Y10TTechnical subjects covered by former us classification3%
PatentTitleYear
10,811,659Separator for electricity storage device, laminate and porous film202010,680,223Laminated separator, polyolefin microporous membrane, and separator for electricity storage device202010,361,415Separator for electricity storage device201910,153,473Separator for electricity storage device, laminate and porous film20189,966,583Laminated polyolefin microporous membrane including propylene copolymer and method of producing the same20189,882,190'Laminated polymicroporous membrane including propylene copolymer and method of producing the same'20189,853,272Laminated polyolefin microporous membrane including propylene-a-olefin copolymer and method of producing the same20179,356,275'Laminated separator including inorganic particle and polyolefin layer for electricity storage device'2016Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2016–2018Patents assigned to ASAHI KASEI E MATERIALS CORP (3)· patent assignee history
2016Patents assigned to AMEYAMA KEITARO (1)· patent assignee history
2016Patents assigned to OHASHI MASAHIRO (1)· patent assignee history
2016–2020Based in Tokyo, JP· patent location history
2018–2020Patents assigned to ASAHI KASEI E MAT CORPORATION (4)· patent assignee history
2019Patents assigned to ASAHI CHEMICAL IND (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ASAHI KASEI E MAT CORPORATION | 4 | 2018–2020 |
| ASAHI KASEI E MATERIALS CORP | 3 | 2016–2018 |
| AMEYAMA KEITAROself | 1 | 2016 |
| ASAHI CHEMICAL IND | 1 | 2019 |
| OHASHI MASAHIRO | 1 | 2016 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 8 | 2016–2020 |