Inventor · disambiguated record
Kazuhiko Katayama
Also filed as: KATAYAMA KAZUHIKO
3 granted patents·1 pending application·27 citations·filing 1975–2020
69Inventor score
Top patents by PatentIndex Score
4 records- 0164US3959235AMethod of polymerizing vinyl chlorideKANEGAFUCHI CHEMICAL IND·Filed 1975·Granted May 25, 1976·13 cites·15 claims
- 0261US4814506AProcess for preparing 3 halogeno-2-hydroxypropyltrimethylammonium halideKANEGAFUCHI CHEMICAL IND·Filed 1987·Granted Mar 21, 1989·7 cites·4 claims
- 0352US4076951AMethod of polymerizing vinyl chlorideKANEGAFUCHI CHEMICAL IND·Filed 1976·Granted Feb 28, 1978·7 cites·12 claims
- 0446US2021090255A1Recording medium recording program, information processing apparatus, and information processing methodFUJITSU LTD·Filed 2020·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →