Inventor · disambiguated record

Ryoei Umeda

Also filed as: UMEDA RYOEI

2 granted patents·74 citations·filing 1994–1994

66Inventor score

Technology areasE01C

Files withNIIGATA ENGINEERING CO LTD2

Top patents by PatentIndex Score

2 records

0178US5484227AControl device for asphalt finisherNIIGATA ENGINEERING CO LTD·Filed 1994·Granted Jan 16, 1996·47 cites·17 claims
0261US5546123AAutomatic steering device for asphalt finisherNIIGATA ENGINEERING CO LTD·Filed 1994·Granted Aug 13, 1996·27 cites·9 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →