Inventor · disambiguated record
Takaji Watanabe
Also filed as: WATANABE TAKAJI
6 granted patents·197 citations·filing 1982–1987
86Inventor score
Files withMERCK PATENT GMBH6
Top patents by PatentIndex Score
6 records- 0185US4435220ATransparent colored pigmentsMERCK PATENT GMBH·Filed 1982·Granted Mar 6, 1984·62 cites·12 claims
- 0282US4828623AWater resistant nacreous pigment and process for producing the sameMERCK PATENT GMBH·Filed 1987·Granted May 9, 1989·34 cites·12 claims
- 0379US4603047AFlaky pigments, process for their preparationMERCK PATENT GMBH·Filed 1984·Granted Jul 29, 1986·23 cites·16 claims
- 0474US4772331AFlaky colored pigments, methods for their production, and their use in cosmetic compositionsMERCK PATENT GMBH·Filed 1986·Granted Sep 20, 1988·44 cites·20 claims
- 0557US4720438AMolded clay article coated with pearl pigmentMERCK PATENT GMBH·Filed 1986·Granted Jan 19, 1988·14 cites·17 claims
- 0656US4956019ANovel flaky color pigment and process for producing the sameMERCK PATENT GMBH·Filed 1987·Granted Sep 11, 1990·20 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →