Membership
Tour
Register
Log in
Masakazu Katayama
Follow
Person
Tokyo, JP
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Supporting carbon material for solid polymer fuel cell and catalyst...
Patent number
10,096,837
Issue date
Oct 9, 2018
Nippon Steel & Sumitomo Metal Corporation
Takashi Iijima
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Carbon support material for solid polymer type fuel cell use and me...
Patent number
10,003,085
Issue date
Jun 19, 2018
Nippon Steel & Sumitomo Metal Corporation
Katsumasa Matsumoto
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Display device, method for manufacturing same, polyimide film for d...
Patent number
9,868,823
Issue date
Jan 16, 2018
Nippon Steel & Sumikin Chemical Co., Ltd.
Masakazu Katayama
G02 - OPTICS
Information
Patent Grant
Display device, method for manufacturing same, polyimide film for d...
Patent number
9,695,283
Issue date
Jul 4, 2017
Nippon Steel & Sumikin Chemical Co., Ltd.
Masakazu Katayama
G02 - OPTICS
Information
Patent Grant
Display device, method for manufacturing same, polyimide film for d...
Patent number
9,403,947
Issue date
Aug 2, 2016
Nippon Steel & Sumikin Chemical Co., Ltd.
Masakazu Katayama
B32 - LAYERED PRODUCTS
Patents Applications
last 30 patents
Information
Patent Application
DISPLAY DEVICE, METHOD FOR MANUFACTURING SAME, POLYIMIDE FILM FOR D...
Publication number
20170240707
Publication date
Aug 24, 2017
NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
Masakazu Katayama
B32 - LAYERED PRODUCTS
Information
Patent Application
SUPPORTING CARBON MATERIAL FOR SOLID POLYMER FUEL CELL AND CATALYST...
Publication number
20170194652
Publication date
Jul 6, 2017
NIPPON STEEL & SUMITOMO METAL CORPORATION
Takashi IIJIMA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
CARBON SUPPORT MATERIAL FOR SOLID POLYMER TYPE FUEL CELL USE AND ME...
Publication number
20160329571
Publication date
Nov 10, 2016
NIPPON STEEL & SUMITOMO METAL CORPORATION
Katsumasa MATSUMOTO
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
DISPLAY DEVICE, METHOD FOR MANUFACTURING SAME, POLYIMIDE FILM FOR D...
Publication number
20160244565
Publication date
Aug 25, 2016
NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
Masakazu Katayama
G02 - OPTICS
Information
Patent Application
CARBON MATERIAL FOR CATALYST SUPPORT USE
Publication number
20150352522
Publication date
Dec 10, 2015
NIPPON STEEL & SUMITOMO METAL CORPORATION
Kazuhiko MIZUUCHI
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
DISPLAY DEVICE, METHOD FOR MANUFACTURING SAME, POLYIMIDE FILM FOR D...
Publication number
20150183932
Publication date
Jul 2, 2015
NIPPON STEEL & SUMIKIN CHEMICAL CO., LTD.
Masakazu Katayama
H01 - BASIC ELECTRIC ELEMENTS