Inventor · disambiguated record

Shigeaki Tohnai

Also filed as: TOHNAI SHIGEAKI

7 granted patents·3 pending applications·33 citations·filing 20022014

82Inventor score
Technology areasE04B
Files withNIPPON STEEL CORP4HASHIMOTO SHINICHIRO3KAWAI YOSHIMICHI1NIPPON STEEL & SUMITOMO METAL CORP1

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Shigeaki Tohnai — Patent Inventor | PatentIndex