Inventor · disambiguated record

Ryoju Obata

Also filed as: OBATA RYOJU

1 granted patent·0 citations·filing 2015–2015

4Inventor score

Technology areasC21D

Files withHITACHI AUTOMOTIVE SYSTEMS LTD1

Top patents by PatentIndex Score

1 record

0138US9920405B2Surface-treated component manufacturing method and apparatusHITACHI AUTOMOTIVE SYSTEMS LTD·Filed 2015·Granted Mar 20, 2018·0 cites·7 claims

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