Inventor · disambiguated record
Ryuzo Yamada
Also filed as: YAMADA RYUZO
6 granted patents·1 pending application·118 citations·filing 1991–2002
85Inventor score
Top patents by PatentIndex Score
7 records- 0177US6378760B1Method for manufacturing joint of carbon steel pipes suitable for expansion and expanding methodDAIDO STEEL CO LTD·Filed 2000·Granted Apr 30, 2002·25 cites·4 claims
- 0271US5152605AApparatus for making cooled concreteUSHIO KK·Filed 1991·Granted Oct 6, 1992·32 cites·5 claims
- 0364US6332361B1Method for evaluating bonding properties of a metallic pipeDAIDO STEEL CO LTD·Filed 1999·Granted Dec 25, 2001·28 cites·17 claims
- 0460US6592154B2Metal-pipe bonded body, pipe expansion method of metal-pipe bonded body, and method for inspecting metal-pipe bonded bodyDAIDO STEEL CO LTD·Filed 2001·Granted Jul 15, 2003·4 cites·5 claims
- 0555US5147024ARoller conveyorYAMADA RYUZO·Filed 1991·Granted Sep 15, 1992·20 cites·1 claims
- 0632US5934805AMethod and an apparatus for flaw detectionDAIDO TOKUSHUKO KABUSHIKA KAIS·Filed 1997·Granted Aug 10, 1999·9 cites·15 claims
- 0721US2002194916A1Method for inspecting clad pipeFiled 2002·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →