Inventor · disambiguated record

Joichi Watanabe

Also filed as: WATANABE JOICHI

2 granted patents·18 citations·filing 1973–2010

52Inventor score

Technology areasC08L F16J

Files withNAITO YOSHITAKA1 RIKEN PISTON RING IND CO LTD1

Top patents by PatentIndex Score

2 records

0162US3947046AOil seal ring for internal combustion engineRIKEN PISTON RING IND CO LTD·Filed 1973·Granted Mar 30, 1976·18 cites·3 claims
0234US8609754B2Flame-retardant thermoplastic resin composition and molded article thereofNAITO YOSHITAKA·Filed 2010·Granted Dec 17, 2013·0 cites·8 claims

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