Inventor

Junya Hayakawa

Inventor
Tokyo, JP

Overview

12→
Patents
2001–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 12 as inventor

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

LOC23primary
LOC2321%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds8%
C08LCompositions of macromolecular compounds8%
LOC168%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
B21BRolling of metal4%
C07DHeterocyclic compounds4%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients4%
C09DCoating compositions, e.g. paints, varnishes or lacquers4%
E05YIndexing scheme associated with subclasses e05d and e05f, relating to construction elements, electric control, power supply, power signal or transmission, user interfaces, mounting or coupling, details, accessories, auxiliary operations not otherwise provided for, application thereof4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2001Patents assigned to NISSHIN STEEL CO LTD (1)· patent assignee history
2001Based in Osaka, JP· patent location history
2007–2010Patents assigned to MITSUBISHI GAS CHEMICAL CO (2)· patent assignee history
2007–2020Based in Tokyo, JP· patent location history
2015–2018Patents assigned to SEIKO EPSON CORP (3)· patent assignee history
2015–2018Based in Azumino, JP· patent location history
2018–2020Patents assigned to FUJIKOKI CORP (6)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
FUJIKOKI CORP62018–2020
SEIKO EPSON CORP32015–2018
MITSUBISHI GAS CHEMICAL CO22007–2010
NISSHIN STEEL CO LTD12001
Locations
LocationPatentsSpan
Tokyo, JP82007–2020
Azumino, JP32015–2018
Osaka, JP12001