Inventor · disambiguated record
Norikazu Nakasuji
Also filed as: NAKASUJI NORIKAZU
12 granted patents·1 pending application·1,447 citations·filing 1975–1994
95Inventor score
Top patents by PatentIndex Score
13 records- 0198US4720301AReversible heat sensitive recording compositionPILOT INK CO LTD·Filed 1985·Granted Jan 19, 1988·156 cites·2 claims
- 0298US4421560AThermochromatic materialsPILOT INK CO LTD·Filed 1982·Granted Dec 20, 1983·171 cites·4 claims
- 0397US4425161AThermochromic materialsSHIBAHASHI YUTAKA·Filed 1981·Granted Jan 10, 1984·199 cites·6 claims
- 0496US4028118AThermochromic materialsPILOT INK CO LTD·Filed 1975·Granted Jun 7, 1977·345 cites·9 claims
- 0595US4732810AReversible temperature-indicating compositionPILOT INK CO LTD·Filed 1985·Granted Mar 22, 1988·76 cites·4 claims
- 0694US4920991AThermochromic artificial nailPILOT INK CO LTD·Filed 1988·Granted May 1, 1990·78 cites·10 claims
- 0794US4681791AThermochromic textile materialPILOT INK CO LTD·Filed 1986·Granted Jul 21, 1987·181 cites·10 claims
- 0891US4554565AMethod of producing reversible thermochromic displayPILOT INK CO LTD·Filed 1984·Granted Nov 19, 1985·71 cites·3 claims
- 0989US5085607AToy that stably exhibits different colors with indicator for proper temperature applicationPILOT INK CO LTD·Filed 1990·Granted Feb 4, 1992·59 cites·32 claims
- 1088US5011445AColor memory toy setPILOT INK CO LTD·Filed 1990·Granted Apr 30, 1991·58 cites·6 claims
- 1182US4865648AReversible heat sensitive recording compositionKITO TSUTOMU·Filed 1987·Granted Sep 12, 1989·33 cites·2 claims
- 1260US5079049AArtificial plant that stably exhibits different colorsPILOT INK CO LTD·Filed 1990·Granted Jan 7, 1992·20 cites·21 claims
- 1329US2003087580A1Color memory toyFiled 1994·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →