Inventor · disambiguated record
Masaaki Nakahata
Also filed as: NAKAHATA MASAAKI · TOHYAMA TAKANORI
6 granted patents·273 citations·filing 1978–2001
84Inventor score
Top patents by PatentIndex Score
6 records- 0197US5350660AChemical amplified resist material containing photosensitive compound capable of generating an acid and specific polystyrene copolymer having functional groups that become alkali-soluble under an acid atmosphereWAKO PURE CHEM IND LTD·Filed 1991·Granted Sep 27, 1994·210 cites·19 claims
- 0276US5216135ADiazodisulfonesWAKO PURE CHEM IND LTD·Filed 1992·Granted Jun 1, 1993·25 cites·7 claims
- 0376US4177109Aγ-glutamyl-p-aminoanilide derivatives for measuring activity of γ-glutamyl transpeptidaseWAKO PURE CHEM IND LTD·Filed 1978·Granted Dec 4, 1979·19 cites·7 claims
- 0464US5272036APattern forming contrast enhanced material utilizing water soluble photosensitive diazo compound and pattern forming methodMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1992·Granted Dec 21, 1993·18 cites·20 claims
- 0540USRE40211EDiazodisulfonesWAKO PURE CHEM IND LTD·Filed 2001·Granted Apr 1, 2008·0 cites·7 claims
- 0636US5114615ALiquid crystal compounds and intermediates thereofWAKO PURE CHEM IND LTD·Filed 1991·Granted May 19, 1992·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →