Inventor · disambiguated record
Takao Tamagawa
Also filed as: TAMAGAWA TAKAO
5 granted patents·103 citations·filing 1990–2000
82Inventor score
Files withKOYO SEIKO CO5
Top patents by PatentIndex Score
5 records- 0174US6129643AVariable diameter pulleyKOYO SEIKO CO·Filed 1997·Granted Oct 10, 2000·30 cites·23 claims
- 0273US6017285AVariable diameter pulleyKOYO SEIKO CO·Filed 1998·Granted Jan 25, 2000·26 cites·24 claims
- 0362US5056963ATip for a cutting toolKOYO SEIKO CO·Filed 1990·Granted Oct 15, 1991·29 cites·2 claims
- 0455US5074825AHydraulic transmission coupling apparatusKOYO SEIKO CO·Filed 1990·Granted Dec 24, 1991·14 cites·11 claims
- 0549US6402658B1Toroidal type continuously variable transmissionKOYO SEIKO CO·Filed 2000·Granted Jun 11, 2002·4 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →