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Kazuyoshi Masaki
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Kitakyushu-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Carbon material for use as catalyst carrier of polymer electrolyte...
Patent number
12,142,770
Issue date
Nov 12, 2024
NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
Takashi Iijima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Carbon material for catalyst carrier of polymer electrolyte fuel ce...
Patent number
12,057,589
Issue date
Aug 6, 2024
NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
Takashi Iijima
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Carbon material for catalyst carrier of polymer electrolyte fuel ce...
Patent number
11,302,928
Issue date
Apr 12, 2022
NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
Takashi Iijima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Method for recording and reproducing a holographic read only record...
Patent number
8,837,267
Issue date
Sep 16, 2014
Nippon Steel & Sumikin Chemical Co., Ltd.
Toshio Ando
G11 - INFORMATION STORAGE
Information
Patent Grant
Volume phase hologram recording material and optical information re...
Patent number
8,399,156
Issue date
Mar 19, 2013
Nippon Steel Chemical Co., Ltd.
Kohei Tomari
G11 - INFORMATION STORAGE
Information
Patent Grant
Volume phase hologram recording material and optical information re...
Patent number
8,298,726
Issue date
Oct 30, 2012
Nippon Steel Chemical Co., Ltd.
Takehiro Shimizu
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
Carbon Material for Polymer Electrolyte Fuel Cell Catalyst Carriers...
Publication number
20230395817
Publication date
Dec 7, 2023
NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
Kazuyoshi Masaki
C01 - INORGANIC CHEMISTRY
Information
Patent Application
Carbon Material for Catalyst Carrier of Polymer Electrolyte Fuel Ce...
Publication number
20210344019
Publication date
Nov 4, 2021
NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
Takashi Iijima
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CARBON MATERIAL FOR USE AS CATALYST CARRIER OF POLYMER ELECTROLYTE...
Publication number
20200119367
Publication date
Apr 16, 2020
NIPPON STEEL CHEMICAL & MATERIAL CO., LTD.
Takashi IIJIMA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CARBON MATERIAL FOR CATALYST CARRIER OF POLYMER ELECTROLYTE FUEL CE...
Publication number
20200055026
Publication date
Feb 20, 2020
NIPPON STEEL CORPORATION
Takashi IIJIMA
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
CARBON MATERIAL FOR CATALYST CARRIER OF POLYMER ELECTROLYTE FUEL CE...
Publication number
20200044261
Publication date
Feb 6, 2020
NIPPON STEEL CORPORATION
Takashi IIJIMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
PHOTOSENSITIVE MATERIAL, HOLOGRAPHIC RECORDING MEDIUM AND HOLOGRAPH...
Publication number
20140349218
Publication date
Nov 27, 2014
NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
Takehiro Shimizu
G11 - INFORMATION STORAGE
Information
Patent Application
VECTOR WAVE RECORDING MEDIUM, AND MULTIPLE RECORDING AND REPRODUCIN...
Publication number
20130321783
Publication date
Dec 5, 2013
NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
Toshio Ando
G11 - INFORMATION STORAGE
Information
Patent Application
RECORDING/REPRODUCING METHOD IN READ-ONLY HOLOGRAPHIC RECORDING MED...
Publication number
20110134741
Publication date
Jun 9, 2011
Toshio Ando
G11 - INFORMATION STORAGE
Information
Patent Application
VOLUME PHASE HOLOGRAM RECORDING MATERIAL AND OPTICAL INFORMATION RE...
Publication number
20100203429
Publication date
Aug 12, 2010
NIPPON STEEL CHEMICAL CO., LTD.
Kohei Tomari
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
VOLUME PHASE HOLOGRAM RECORDING MATERIAL AND OPTICAL INFORMATION RE...
Publication number
20090310196
Publication date
Dec 17, 2009
Takehiro Shimizu
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL