Inventor

Akira Kamide

Inventor

Higashiosaka, JP

Overview

8→

Patents

1990–2001

Patent span

Performing operations

Primary field (CPC B)

Patents· 8 as inventor

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

F16Lprimary

F16LPipes37%

B29CShaping or joining of plastics26%

Y10TTechnical subjects covered by former us classification11%

B29BPreparation or pretreatment of the material to be shaped5%

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. inserts5%

B29LIndexing scheme associated with subclass b29c, relating to particular articles5%

E04GScaffolding5%

E21DShafts5%

PatentTitleYear

6,241,925'Method of lining channels'2001 6,089,276'Method for repairing buried pipe using a metal pipe and method for manufacturing metal pipes that are used in the repairing method'2000 5,293,932'Apparatus for cutting off projections inside pipes'1994 5,108,228'Method of lining branch pipe portion of underground main pipe with rigid plastics tube'1992 5,071,616'Method of inserting rigid plastic lining tube through pipe'1991 4,990,027'Shield tunneling method and shield machine therefor'1991 4,965,036'Method of lining a pipe with a tube including passing heated fluid through the bores of the tube'1990 4,956,041'Method of lining branch pipe portion of underground main pipe with rigid plastics tube'1990

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1990–2001Patents assigned to OSAKA BOSUI KENSETSUSHA KK (6)· patent assignee history

1990Patents assigned to OSAKA BOUSI CONSTRUCTION CO LT (1)· patent assignee history

1990–2000Based in Higashiosaka, JP· patent location history

1991Patents assigned to KUBOTA CONSTRUCTION CO (1)· patent assignee history

1991–2001Based in Osaka, JP· patent location history

2001Patents assigned to TOKYO GAS CO LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
OSAKA BOSUI KENSETSUSHA KK	6	1990–2001
KUBOTA CONSTRUCTION CO	1	1991
OSAKA BOUSI CONSTRUCTION CO LT	1	1990
TOKYO GAS CO LTD	1	2001

Locations

Location	Patents	Span
Higashiosaka, JP	6	1990–2000
Osaka, JP	2	1991–2001