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Takamasa Egawa

USPTO Granted Patents = 5

EPO Patents = 1

Average Co-Inventor Count = 2.3

ph-index = 1

Location History:

Niihama, JP (2018 - 2021)
Osaka, JP (2022)

Company Filing History:

Sumitomo Chemical Company, Limited

Years Active: 2018-2022

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5 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 11491494 - Separator film conveyance device for nonaqueous electrolytic-solution secondary battery and method for manufacturing separator film for nonaqueous electrolytic-solution secondary battery (2022-11-08),

2. 11198778 - Nonaqueous electrolyte secondary battery separator (2021-12-14),

3. 10629856 - Electrode assembly and nonaqueous electrolyte secondary battery (2020-04-21),

4. 10581051 - Separator winding core, separator roll, and method of cleaning separator winding core (2020-03-03),

5. 10014502 - Inorganic oxide powder, slurry containing same, nonaqueous electrolyte secondary battery, and method for manufacturing nonaqueous electrolyte secondary battery (2018-07-03),

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