Inventor

Yuichi Fukunaga

Inventor
Ichihara, JP

Overview

3→
Patents
2008–2013
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.

C08Lprimary
C08LCompositions of macromolecular compounds33%
C08CTreatment or chemical modification of rubbers17%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients17%
G01NInvestigating or analysing materials by determining their chemical or physical properties17%
G02BOptical elements, systems or apparatus17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2008Patents assigned to SARTOMER IDEMITSU CO LTD (1)· patent assignee history
2008–2009Based in Ichihara, JP· patent location history
2009–2013Patents assigned to IDEMITSU KOSAN CO (2)· patent assignee history
2013Patents assigned to FUJIOKA TOYOZO (1)· patent assignee history
2013Patents assigned to FUKUNAGA YUICHI (1)· patent assignee history
2013Patents assigned to MINE TOSHIHIRO (1)· patent assignee history
2013Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IDEMITSU KOSAN CO22009–2013
FUJIOKA TOYOZO12013
FUKUNAGA YUICHIself12013
MINE TOSHIHIRO12013
SARTOMER IDEMITSU CO LTD12008
Locations
LocationPatentsSpan
Ichihara, JP22008–2009
Chiba, JP12013