Inventor · disambiguated record
Yasufumi Fujii
Also filed as: FUJII YASUFUMI
9 granted patents·369 citations·filing 1985–2015
90Inventor score
Top patents by PatentIndex Score
9 records- 0197US4756973APhotochromic lensKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Jul 12, 1988·251 cites·7 claims
- 0273US10502282B2Drive deviceASMO CO LTD·Filed 2015·Granted Dec 10, 2019·2 cites·8 claims
- 0373US5466755AOptical filterKUREHA CHEMICAL IND CO LTD·Filed 1994·Granted Nov 14, 1995·34 cites·5 claims
- 0466US4826284AResin-made heat-resistant optical fiberKUREHA CHEMICAL IND CO LTD·Filed 1987·Granted May 2, 1989·14 cites·4 claims
- 0560US4704006AHalogen-containing resin lens materialKUREHA CHEMICAL IND CO LTD·Filed 1986·Granted Nov 3, 1987·13 cites·6 claims
- 0658US4644025ALens materials of high refractive indexesKUREHA CHEMICAL IND CO LTD·Filed 1985·Granted Feb 17, 1987·19 cites·5 claims
- 0756US4578445AHalogen-containing lens materialKUREHA CHEMICAL IND CO LTD·Filed 1985·Granted Mar 25, 1986·18 cites·5 claims
- 0847US5567778AProcess for producing an optical filterKUREHA CHEMICAL IND CO LTD·Filed 1995·Granted Oct 22, 1996·7 cites·5 claims
- 0945US5109508AData base system including memorandum information and method for managing memorandum informationHITACHI LTD·Filed 1989·Granted Apr 28, 1992·11 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →