Kei Ikoma

Person

Otsu, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Porous film, separator for secondary batteries, and secondary battery
- Patent number 11,742,514
- Issue date Aug 29, 2023
- Toray Industries, Inc.
- Kei Ikoma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Porous film, separator for rechargeable battery, and rechargeable b...
- Patent number 11,637,351
- Issue date Apr 25, 2023
- Toray Industries, Inc.
- Nobuyasu Kai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Porous film, separator for secondary batteries, and secondary battery
- Patent number 10,950,914
- Issue date Mar 16, 2021
- Toray Industries, Inc.
- Nobuyasu Kai
- B32 - LAYERED PRODUCTS

Patents Applicationslast 30 patents

Information Patent Application
SECONDARY BATTERY
- Publication number 20240213618
- Publication date Jun 27, 2024
- TORAY INDUSTRIES, INC.
- Kei Ikoma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY
- Publication number 20240097273
- Publication date Mar 21, 2024
- TORAY INDUSTRIES, INC.
- Kei Ikoma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POROUS FILM, SEPARATOR FOR SECONDARY CELL, AND SECONDARY CELL
- Publication number 20200358066
- Publication date Nov 12, 2020
- TORAY INDUSTRIES, INC.
- Nobuyasu Kai
- B32 - LAYERED PRODUCTS
Information Patent Application
POROUS FILM, SEPARATOR FOR SECONDARY BATTERIES, AND SECONDARY BATTERY
- Publication number 20200321586
- Publication date Oct 8, 2020
- TORAY INDUSTRIES, INC.
- Kei Ikoma
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POROUS FILM, SEPARATOR FOR SECONDARY BATTERIES, AND SECONDARY BATTERY
- Publication number 20200295331
- Publication date Sep 17, 2020
- TORAY INDUSTRIES, INC.
- Nobuyasu Kai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POROUS FILM, SEPARATOR FOR RECHARGEABLE BATTERY, AND RECHARGEABLE B...
- Publication number 20200099031
- Publication date Mar 26, 2020
- TORAY INDUSTRIES, INC.
- Nobuyasu Kai
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
POROUS FILM, SEPARATOR FOR SECONDARY BATTERIES, AND SECONDARY BATTERY
- Publication number 20190319238
- Publication date Oct 17, 2019
- TORAY INDUSTRIES, INC.
- Kei Ikoma
- B32 - LAYERED PRODUCTS
Information Patent Application
POROUS FILM, WATERPROOF AND MOISTURE-PERMEABLE MATERIAL, AND MEDICA...
- Publication number 20160318281
- Publication date Nov 3, 2016
- TORAY INDUSTRIES, INC.
- Kei Ikoma
- B32 - LAYERED PRODUCTS
Information Patent Application
POROUS FILM AND ELECTRIC STORAGE DEVICE
- Publication number 20120219864
- Publication date Aug 30, 2012
- TORAY INDUSTRIES, INC.
- Kei Ikoma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POROUS POLYPROPYLENE FILM AND PRODUCTION METHOD THEREOF
- Publication number 20110319511
- Publication date Dec 29, 2011
- TORAY INDUSTRIES, INC.
- Takuya Kuma
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
POWER STORAGE DEVICE SEPARATOR
- Publication number 20110311856
- Publication date Dec 22, 2011
- TORAY INDUSTRIES, INC.
- Ryousuke Matsui
- Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...

Person

Patents Grantslast 30 patents

Porous film, separator for secondary batteries, and secondary battery

Porous film, separator for rechargeable battery, and rechargeable b...

Porous film, separator for secondary batteries, and secondary battery

Patents Applicationslast 30 patents

SECONDARY BATTERY

NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY

POROUS FILM, SEPARATOR FOR SECONDARY CELL, AND SECONDARY CELL

POROUS FILM, SEPARATOR FOR SECONDARY BATTERIES, AND SECONDARY BATTERY

POROUS FILM, SEPARATOR FOR SECONDARY BATTERIES, AND SECONDARY BATTERY

POROUS FILM, SEPARATOR FOR RECHARGEABLE BATTERY, AND RECHARGEABLE B...

POROUS FILM, SEPARATOR FOR SECONDARY BATTERIES, AND SECONDARY BATTERY

POROUS FILM, WATERPROOF AND MOISTURE-PERMEABLE MATERIAL, AND MEDICA...

POROUS FILM AND ELECTRIC STORAGE DEVICE

POROUS POLYPROPYLENE FILM AND PRODUCTION METHOD THEREOF

POWER STORAGE DEVICE SEPARATOR