Inventor · disambiguated record
Keishi Kitagawa
Also filed as: KITAGAWA KEISHI
6 granted patents·139 citations·filing 1976–1988
85Inventor score
Top patents by PatentIndex Score
6 records- 0186US4828695APackaging material for high pressure liquid chromatography and method of making the sameYAMAMURA CHEMICAL LAB CO LTD·Filed 1988·Granted May 9, 1989·61 cites·9 claims
- 0269US4188220ASupports for photographic paper and photographic light-sensitive materialFUJI PHOTO FILM CO LTD·Filed 1976·Granted Feb 12, 1980·21 cites·7 claims
- 0364US4242418ALaminateFUJI PHOTO FILM CO LTD·Filed 1979·Granted Dec 30, 1980·17 cites·13 claims
- 0460US4699874APhotographic polyethylene coated paper supportFUJI PHOTO FILM CO LTD·Filed 1987·Granted Oct 13, 1987·8 cites·5 claims
- 0556US4547445APhotographic materialFUJI PHOTO FILM CO LTD·Filed 1985·Granted Oct 15, 1985·24 cites·5 claims
- 0644US4169188APhotographic supportFUJI PHOTO FILM CO LTD·Filed 1977·Granted Sep 25, 1979·8 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →