Inventor

Yutaka Obata

Inventor
Ichihara, JP

Overview

14→
Patents
1981–2020
Patent span
Chemistry
Primary field (CPC C)

Patents· 14 as inventor

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

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds23%
C08LCompositions of macromolecular compounds18%
B60HArrangements of heating, cooling, ventilating or other air-treating devices specially adapted for passenger or goods spaces of vehicles8%
B29CShaping or joining of plastics5%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%
G05DSystems for controlling or regulating non-electric variables5%
H01LSemiconductor devices5%
H10HInorganic light-emitting semiconductor devices having potential barriers5%
H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h105%
B29KIndexing scheme associated with subclasses b29b, b29c or b29d, relating to moulding materials or to materials for moulds, reinforcements, fillers or preformed parts, e.g. inserts3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1982Patents assigned to JAPAN SYNTHETIC RUBBER CO LTD (2)· patent assignee history
1981–1982Based in Yokkaichi, JP· patent location history
1984–1989Patents assigned to NISSAN MOTOR (3)· patent assignee history
1987Based in Ebina, JP· patent location history
1989Based in Atsugi, JP· patent location history
2002–2003Patents assigned to IDEMITSU PETROCHEMICAL CO (4)· patent assignee history
2002–2020Based in Ichihara, JP· patent location history
2003–2020Based in Chiba, JP· patent location history
2011–2020Patents assigned to IDEMITSU KOSAN CO (5)· patent assignee history
2012–2014Patents assigned to OBATA YUTAKA (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
IDEMITSU KOSAN CO52011–2020
IDEMITSU PETROCHEMICAL CO42002–2003
NISSAN MOTOR31984–1989
JAPAN SYNTHETIC RUBBER CO LTD21981–1982
OBATA YUTAKAself22012–2014
Locations
LocationPatentsSpan
Ichihara, JP52002–2020
Chiba, JP42003–2020
Yokkaichi, JP21981–1982
Atsugi, JP11989
Ebina, JP11987