Inventor

Hironobu Kumagai

Inventor
Fuji, JP

Overview

3→
Patents
2009–2013
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.

C07Dprimary
C07DHeterocyclic compounds33%
A61KPreparations for medical, dental or toiletry purposes11%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds11%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments11%
H10KOrganic electric solid-state devices11%
Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution11%
Y02PClimate change mitigation technologies in the production or processing of goods11%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2009–2013Patents assigned to IHARA CHEMICAL IND CO (3)· patent assignee history
2009Based in Saitama, JP· patent location history
2011Patents assigned to TOYOTA MOTOR CO LTD (1)· patent assignee history
2011–2013Based in Fuji, JP· patent location history
2013Patents assigned to KUMAGAI HIRONOBU (1)· patent assignee history
2013Patents assigned to NAKAMURA TAKAYUKI (1)· patent assignee history
2013Patents assigned to OGAWA MAHITO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IHARA CHEMICAL IND CO32009–2013
KUMAGAI HIRONOBUself12013
NAKAMURA TAKAYUKI12013
OGAWA MAHITO12013
TOYOTA MOTOR CO LTD12011
Locations
LocationPatentsSpan
Fuji, JP22011–2013
Saitama, JP12009