Inventor · name-matched record
SHIMADA MASAHIKO
4 granted patents·0 citations·filing 2022–2022
50Inventor score
Files withSUMITOMO CHEMICAL CO4
This identity is grouped by exact name match (no disambiguated inventor record was available for these filings) — it may combine same-named inventors.
Top patents by PatentIndex Score
4 records- 0165US12578639B2Carboxylate, carboxylic acid generator, resin, resist composition and method for producing resist patternSUMITOMO CHEMICAL CO·Filed 2022·Granted Mar 17, 2026·0 cites·19 claims
- 0265US12572072B2Salt, acid generator, resin, resist composition and method for producing resist patternSUMITOMO CHEMICAL CO·Filed 2022·Granted Mar 10, 2026·0 cites·19 claims
- 0365US12572071B2Carboxylate, carboxylic acid generator, resin, resist composition and method for producing resist patternSUMITOMO CHEMICAL CO·Filed 2022·Granted Mar 10, 2026·0 cites·20 claims
- 0463US12529957B2Salt, acid generator, resin, resist composition and method for producing resist patternSUMITOMO CHEMICAL CO·Filed 2022·Granted Jan 20, 2026·0 cites·20 claims
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Identity basis: exact name match across USPTO filings. How scoring works →