Inventor

Kiyonori Umetsu

Inventor
Tokyo, JP

Overview

10→
Patents
2007–2015
Patent span
Chemistry
Primary field (CPC C)

Patents· 10 as inventor

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

C08Kprimary
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients36%
C08LCompositions of macromolecular compounds29%
C09KMaterials for miscellaneous applications, not provided for elsewhere14%
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds11%
B60CVehicle tyres4%
C08CTreatment or chemical modification of rubbers4%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2007–2015Patents assigned to ZEON CORP (10)· patent assignee history
2007–2015Based in Tokyo, JP· patent location history
2007Based in Chiyoda-ku, JP· patent location history
2011–2015Patents assigned to UMETSU KIYONORI (5)· patent assignee history
2012–2015Patents assigned to NAGAMORI HIROYASU (4)· patent assignee history
2012–2013Patents assigned to FUJITA SHIGERU (2)· patent assignee history
2012–2013Patents assigned to TSUKADA AKIRA (2)· patent assignee history
2012–2013Based in Yokohama, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ZEON CORP102007–2015
UMETSU KIYONORIself52011–2015
NAGAMORI HIROYASU42012–2015
FUJITA SHIGERU22012–2013
TSUKADA AKIRA22012–2013
Locations
LocationPatentsSpan
Tokyo, JP72007–2015
Yokohama, JP22012–2013
Chiyoda-ku, JP12007