Inventor · disambiguated record

Shigemasa Otani

Also filed as: OTANI SHIGEMASA

2 granted patents·6 citations·filing 1989–1992

53Inventor score

Technology areasY10T

Files withHITACHI CHEMICAL CO LTD2

Top patents by PatentIndex Score

2 records

0127US5023136ATreated inorganic building materialsHITACHI CHEMICAL CO LTD·Filed 1989·Granted Jun 11, 1991·3 cites·9 claims
0226US5372855ATreatment of inorganic building materialsHITACHI CHEMICAL CO LTD·Filed 1992·Granted Dec 13, 1994·3 cites·10 claims

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