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Inventor

Ryuzo Yamada

Inventor
Chita, JP

Overview

6→
Patents
1992–2003
Patent span
Performing operations
Primary field (CPC B)

Patents· 6 as inventor

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

G01Nprimary
G01NInvestigating or analysing materials by determining their chemical or physical properties38%
B23KSoldering or unsoldering25%
B28CPreparing clay13%
B65GTransport or storage devices, e.g. conveyors for loading or tipping, shop conveyor systems or pneumatic tube conveyors13%
F16LPipes13%
PatentTitleYear
6,592,154'Metal-pipe bonded body, pipe expansion method of metal-pipe bonded body, and method for inspecting metal-pipe bonded body'20036,378,760'Method for manufacturing joint of carbon steel pipes suitable for expansion and expanding method'20026,332,361'Method for evaluating bonding properties of a metallic pipe'20015,934,805'Method and an apparatus for flaw detection'19995,152,605'Apparatus for making cooled concrete'19925,147,024'Roller conveyor'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992Patents assigned to I P CO LTD (1)· patent assignee history
1992Patents assigned to USHIO KK (1)· patent assignee history
1992Patents assigned to YAMADA RYUZO (1)· patent assignee history
1992Based in Ikeda, JP· patent location history
1992Based in Tajimi, JP· patent location history
1999Patents assigned to DAIDO TOKUSHUKO KABUSHIKA KAIS (1)· patent assignee history
1999–2002Based in Chita, JP· patent location history
2001–2003Patents assigned to DAIDO STEEL CO LTD (3)· patent assignee history
2003Based in Nagoya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DAIDO STEEL CO LTD32001–2003
DAIDO TOKUSHUKO KABUSHIKA KAIS11999
I P CO LTD11992
USHIO KK11992
YAMADA RYUZOself11992
Locations
LocationPatentsSpan
Chita, JP31999–2002
Nagoya, JP12003
Ikeda, JP11992
Tajimi, JP11992