Inventor · disambiguated record
Kiyoshi Masui
Also filed as: MASUI KIYOSHI
4 granted patents·205 citations·filing 1979–1982
82Inventor score
Files withTOPPAN PRINTING CO LTD4
Top patents by PatentIndex Score
4 records- 0189US4325981AMethod of preventing color accurate reproductions using color photocopiers and the likeTOPPAN PRINTING CO LTD·Filed 1980·Granted Apr 20, 1982·37 cites·6 claims
- 0288US4448493AElectrochromic display deviceTOPPAN PRINTING CO LTD·Filed 1982·Granted May 15, 1984·75 cites·14 claims
- 0387US4479432AThick film printing methodTOPPAN PRINTING CO LTD·Filed 1982·Granted Oct 30, 1984·64 cites·31 claims
- 0477US4277514AForgery resistant document with colored areas and method for thwarting reproduction of sameTOPPAN PRINTING CO LTD·Filed 1979·Granted Jul 7, 1981·29 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →