Inventor · disambiguated record

Shirou Yamamiya

Also filed as: YAMAMIYA SHIROU

2 granted patents·36 citations·filing 2001–2001

62Inventor score

Technology areasC09B

Files withDAINICHISEIKA COLOR CHEM2

Top patents by PatentIndex Score

2 records

0188US6623556B2Near-infrared transmitting black azo pigmentsDAINICHISEIKA COLOR CHEM·Filed 2001·Granted Sep 23, 2003·25 cites·8 claims
0275US6471766B2Pigment dispersants and pigment compositions containing the sameDAINICHISEIKA COLOR CHEM·Filed 2001·Granted Oct 29, 2002·11 cites·17 claims

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