Inventor

Masakazu Katayama

Inventor

Tokyo, JP

Overview

6→

Patents

2002–2018

Patent span

Electricity

Primary field (CPC H)

Patents· 6 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

Y02Eprimary

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution11%

H05BElectric heating9%

B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form7%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds7%

C08JWorking-up7%

C09DCoating compositions, e.g. paints, varnishes or lacquers7%

G02BOptical elements, systems or apparatus7%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein7%

H01LSemiconductor devices7%

H10KOrganic electric solid-state devices7%

PatentTitleYear

10,096,837Supporting carbon material for solid polymer fuel cell and catalyst metal particle-supporting carbon material2018 10,003,085Carbon support material for solid polymer type fuel cell use and metal catalyst particle- supporting carbon material and methods of production of same2018 9,868,823'Display device, method for manufacturing same, polyimide film for display device supporting bases, and method for producing polyimide film for display device supporting bases'2018 9,695,283'Display device, method for manufacturing same, polyimide film for display device supporting bases, and method for producing polyimide film for display device supporting bases'2017 9,403,947'Display device, method for manufacturing same, polyimide film for display device supporting bases, and method for producing polyimide film for display device supporting bases'2016 6,465,765'Fluid heating apparatus'2002

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2002Patents assigned to DAINIPPON SCREEN MFG (1)· patent assignee history

2002Patents assigned to OMRON TATEISI ELECTRONICS CO (1)· patent assignee history

2002Based in Kyoto, JP· patent location history

2016–2018Patents assigned to NIPPON STEEL & SUMIKIN CHEM CO (5)· patent assignee history

2016–2018Based in Tokyo, JP· patent location history

2018Patents assigned to NIPPON STEEL & SUMITOMO METAL CORP (2)· patent assignee history

2018Based in Kitakyushu, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NIPPON STEEL & SUMIKIN CHEM CO	5	2016–2018
NIPPON STEEL & SUMITOMO METAL CORP	2	2018
DAINIPPON SCREEN MFG	1	2002
OMRON TATEISI ELECTRONICS CO	1	2002

Locations

Location	Patents	Span
Tokyo, JP	3	2016–2018
Kitakyushu, JP	2	2018
Kyoto, JP	1	2002