LexDanaLexDanabeta
Inventor

Eiki Akimoto

Inventor
Iruma, JP

Overview

3→
Patents
1998–2007
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B29Cprimary
B29CShaping or joining of plastics50%
F16LPipes50%
PatentTitleYear
7,186,060'Method and device for lining construction in sewer followed by simultaneous filling of back-fill material'20076,234,226'Apparatus for lining an inner face of tubular culverts having arbitrary cross section'20015,799,701'Method of and an apparatus for lining a pipeline'1998

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1998–2001Patents assigned to ADACHI CONSTRUCTION INDUSTRY CO LTD (2)· patent assignee history
1998–2001Patents assigned to SEIKISUI CHEMICAL CO LTD (2)· patent assignee history
1998–2007Based in Iruma, JP· patent location history
2007Patents assigned to SEKISUI CHEMICAL CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ADACHI CONSTRUCTION INDUSTRY CO LTD21998–2001
SEIKISUI CHEMICAL CO LTD21998–2001
SEKISUI CHEMICAL CO LTD12007
Locations
LocationPatentsSpan
Iruma, JP31998–2007