Inventor · disambiguated record

Keiji Koyama

Also filed as: KOYAMA KEIJI

11 granted patents·2 pending applications·102 citations·filing 19882014

88Inventor score
Technology areasB22FH01BH10WA23CC09J
Files withSUMITOMO ELECTRIC INDUSTRIES8KOYAMA KEIJI2ASAHI DENKA KOGYO KK1MAEYAMA TETSUYA1OKADA ISSEI1

Top patents by PatentIndex Score

13 records

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