Inventor · disambiguated record
Kazuo Hirowatari
Also filed as: HIROWATARI KAZUO
2 granted patents·0 citations·filing 2020–2021
27Inventor score
Technology areasC07C
Files withMITSUBISHI CHEM CORP2
Top patents by PatentIndex Score
2 records- 0166US12215189B2Bisphenol composition and polycarbonate resinMITSUBISHI CHEM CORP·Filed 2021·Granted Feb 4, 2025·0 cites·15 claims
- 0253US11427523B2Bisphenol composition containing aromatic alcohol sulfonate and method for producing same, polycarbonate resin and method for producing same, and bisphenol production methodMITSUBISHI CHEM CORP·Filed 2020·Granted Aug 30, 2022·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →