Inventor · disambiguated record
Toshiaki Fukuma
Also filed as: FUKUMA TOSHIAKI
9 granted patents·95 citations·filing 1976–1992
88Inventor score
Top patents by PatentIndex Score
9 records- 0164US4092069ASpectrophotometerSHIMADZU CORP·Filed 1976·Granted May 30, 1978·19 cites·22 claims
- 0259US4542084AMethod for forming a colored imageSONY CORP·Filed 1984·Granted Sep 17, 1985·17 cites·8 claims
- 0352US5268737AMethod and apparatus for calibrating a spectrophotometerSHIMIDZU CORP OF 1·Filed 1990·Granted Dec 7, 1993·23 cites·10 claims
- 0441US5116122ASpectrophotometerSHIMADZU CORP·Filed 1991·Granted May 26, 1992·10 cites·3 claims
- 0540US5106190ADouble-beam spectrophotometer using a photodiode detectorSHIMADZU CORP·Filed 1989·Granted Apr 21, 1992·7 cites·1 claims
- 0639US5223913ASpectrophotometerSHIMADZU CORP·Filed 1992·Granted Jun 29, 1993·9 cites·7 claims
- 0737US4617247AImproved sensitizer dyes for polyvinylcarbazole electrophotographic compositionsSONY CORP·Filed 1984·Granted Oct 14, 1986·3 cites·16 claims
- 0834US4488811ABase-line correction means for spectrophotometer systemSHIMADZU CORP·Filed 1982·Granted Dec 18, 1984·4 cites·2 claims
- 0931US4710024ASpectrophotometerSHIMADZU CORP·Filed 1986·Granted Dec 1, 1987·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →