Inventor

Shigeo Oda

Inventor

Toyokawa, JP

Overview

10→

Patents

1990–2010

Patent span

Performing operations

Primary field (CPC B)

Patents· 10 as inventor

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

B22Cprimary

B22CFoundry moulding50%

F28GCleaning of internal or external surfaces of heat-exchange or heat-transfer conduits, e.g. water tubes or boilers17%

A47CChairs8%

B29CShaping or joining of plastics8%

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. inserts8%

B60NSeats specially adapted for vehicles8%

PatentTitleYear

7,648,200'Headrest device'2010 7,621,597'Plastic headrest frame'2009 5,996,678'Apparatus for making mold'1999 5,947,185'Method and apparatus for pre-compacting molding sand'1999 5,794,681'Molding machine'1998 5,791,396'Apparatus and method for producing molds'1998 5,682,941'Device for producing molds'1997 5,660,221'Apparatus and method for producing molds'1997 5,251,690'Apparatus for collecting cleaning bodies for tubular heat exchanger'1993 4,917,176'Device for cleaning inner surfaces of heat exchanger tubes'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–1993Patents assigned to HITACHI LTD (2)· patent assignee history

1990Patents assigned to TOKYO ELECTRIC POWER CO (1)· patent assignee history

1990–1993Based in Hitachi, JP· patent location history

1993Patents assigned to HITACHI MACHINERY AND ENGINEER (1)· patent assignee history

1997–1999Patents assigned to SINTOKOGIO LTD (6)· patent assignee history

1997–1999Based in Toyokawa, JP· patent location history

2009–2010Patents assigned to TOYOSHI FUKUDA (2)· patent assignee history

2009–2010Based in Hiroshima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SINTOKOGIO LTD	6	1997–1999
HITACHI LTD	2	1990–1993
TOYOSHI FUKUDA	2	2009–2010
HITACHI MACHINERY AND ENGINEER	1	1993
TOKYO ELECTRIC POWER CO	1	1990

Locations

Location	Patents	Span
Toyokawa, JP	6	1997–1999
Hiroshima, JP	2	2009–2010
Hitachi, JP	2	1990–1993