Inventor · disambiguated record

Chen Yu Chien

Also filed as: CHIEN CHEN YU

2 granted patents·2 citations·filing 1999–2017

35Inventor score

Technology areasC23C H01K

Files withJAPON TRAFFIC TECH CORP1

Top patents by PatentIndex Score

2 records

0150US10302197B2Graphite cast iron nitrided piston ringJAPON TRAFFIC TECH CORP·Filed 2017·Granted May 28, 2019·0 cites·6 claims
0214US6326728B1Type of lightFiled 1999·Granted Dec 4, 2001·2 cites·5 claims

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