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Inventor

Masaya Umeyama

Inventor
Tokyo, JP

Overview

3→
Patents
2017–2021
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry11%
B82YSpecific uses or applications of nanostructures11%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds11%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients11%
C08LCompositions of macromolecular compounds11%
C09JAdhesives11%
D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons11%
H01BCables11%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests11%
PatentTitleYear
11,072,730Composition having excellent adhesiveness to polyolefins202111,008,486Composition having excellent adhesiveness to polyolefins20219,738,993'Production method for carbon nanofibers, and carbon nanofibers'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017–2021Patents assigned to DENKA COMPANY LTD (2)· patent assignee history
2017Based in Machida, JP· patent location history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DENKA COMPANY LTD22017–2021
Locations
LocationPatentsSpan
Tokyo, JP22021
Machida, JP12017