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Toshihiro Shigematsu
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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Substrate for lithium ion battery separators and lithium ion batter...
Patent number
11,637,349
Issue date
Apr 25, 2023
Mitsubishi Paper Mills Limited
Toshihiro Shigematsu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Lithium ion battery separator and lithium ion battery
Patent number
11,335,972
Issue date
May 17, 2022
Mitsubishi Paper Mills Limited
Toshihiro Shigematsu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Separator for electrochemical elements and electrochemical element...
Patent number
10,818,898
Issue date
Oct 27, 2020
MITSUBISHI PAPER MILLS LIMITED
Toshihiro Shigematsu
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Non-woven fabric base material for lithium ion secondary battery se...
Patent number
10,230,087
Issue date
Mar 12, 2019
Mitsubishi Paper Mills Limited
Tomohiro Sato
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Grant
Non-woven fabric base material for lithium ion secondary battery se...
Patent number
9,768,430
Issue date
Sep 19, 2017
Mitsubishi Paper Mills Limited
Tomohiro Sato
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Separator for electrochemical element, process for producing separa...
Patent number
9,653,717
Issue date
May 16, 2017
Mitsubishi Paper Mills Limited
Hiroo Kaji
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Base for lithium ion secondary battery separators, method for produ...
Patent number
9,570,726
Issue date
Feb 14, 2017
Mitsubishi Paper Mills Limited
Hiroo Kaji
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Non-woven fabric for separator of alkali cell and method for produc...
Patent number
7,405,172
Issue date
Jul 29, 2008
Mitsubishi Paper Mills Limited
Toshihiro Shigematsu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Separator for electrochemical device and method for producing the same
Patent number
6,905,798
Issue date
Jun 14, 2005
Mitsubishi Paper Mills Limited
Takahiro Tsukuda
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Grant
Non-woven fabric for alkali cell separator and process for producin...
Patent number
6,080,471
Issue date
Jun 27, 2000
Mitsubishi Paper Mills Limited
Toshihiro Shigematsu
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Patents Applications
last 30 patents
Information
Patent Application
NON-WOVEN FABRIC FOR SUPPORTING SOLID ELECTROLYTE, AND SOLID ELECTR...
Publication number
20230193534
Publication date
Jun 22, 2023
MITSUBISHI PAPER MILLS LIMITED
Toshihiro SHIGEMATSU
D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information
Patent Application
SUBSTRATE FOR LITHIUM ION BATTERY SEPARATORS AND LITHIUM ION BATTER...
Publication number
20220271392
Publication date
Aug 25, 2022
MITSUBISHI PAPER MILLS LIMITED
Toshihiro SHIGEMATSU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LITHIUM ION BATTERY SEPARATOR AND LITHIUM ION BATTERY
Publication number
20220158299
Publication date
May 19, 2022
MITSUBISHI PAPER MILLS LIMITED
Toshihiro SHIGEMATSU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SUBSTRATE FOR LITHIUM ION BATTERY SEPARATORS AND LITHIUM ION BATTER...
Publication number
20210288382
Publication date
Sep 16, 2021
MITSUBISHI PAPER MILLS LIMITED
Toshihiro SHIGEMATSU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
LITHIUM ION BATTERY SEPARATOR AND LITHIUM ION BATTERY
Publication number
20200091486
Publication date
Mar 19, 2020
MITSUBISHI PAPER MILLS LIMITED
Toshihiro SHIGEMATSU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
SEPARATOR FOR ELECTROCHEMICAL ELEMENTS AND ELECTROCHEMICAL ELEMENT...
Publication number
20190148697
Publication date
May 16, 2019
MITSUBISHI PAPER MILLS LIMITED
Toshihiro SHIGEMATSU
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NON-WOVEN FABRIC BASE MATERIAL FOR LITHIUM ION SECONDARY BATTERY SE...
Publication number
20170288190
Publication date
Oct 5, 2017
MITSUBISHI PAPER MILLS LIMITED
Tomohiro SATO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NON-WOVEN FABRIC BASE MATERIAL FOR LITHIUM ION SECONDARY BATTERY SE...
Publication number
20150372269
Publication date
Dec 24, 2015
MITSUBISHI PAPER MILLS LIMITED
Tomohiro SATO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Separator for Electrochemical Element, Process for Producing Separa...
Publication number
20150064573
Publication date
Mar 5, 2015
MITSUBISHI PAPER MILLS LIMITED
Hiroo KAJI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
BASE FOR LITHIUM ION SECONDARY BATTERY SEPARATORS, METHOD FOR PRODU...
Publication number
20150024250
Publication date
Jan 22, 2015
MITSUBISHI PAPER MILLS LIMITED
Hiroo Kaji
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Non-woven fabric for separator of alkali cell and method for produc...
Publication number
20050221708
Publication date
Oct 6, 2005
Toshihiro Shigematsu
D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information
Patent Application
Separator for electrochemical device and method for producing the s...
Publication number
20030180622
Publication date
Sep 25, 2003
Takahiro Tsukuda
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...