Inventor · disambiguated record
Kiyonari Nakai
Also filed as: NAKAI KIYONARI
7 granted patents·101 citations·filing 1987–1991
86Inventor score
Files withTOKAI CARBON KK7
Top patents by PatentIndex Score
7 records- 0167US5252297AProcess for producing carbon black and apparatus thereforTOKAI CARBON KK·Filed 1991·Granted Oct 12, 1993·20 cites·1 claims
- 0267US4784695ACarbon black for blending in rubberTOKAI CARBON KK·Filed 1988·Granted Nov 15, 1988·21 cites·1 claims
- 0366US5100637ACarbon black for compounding into tire tread rubberTOKAI CARBON KK·Filed 1991·Granted Mar 31, 1992·19 cites·1 claims
- 0462US4786677ARubber composition containing a carbon black particles having two modal diameters in the aggregateTOKAI CARBON KK·Filed 1987·Granted Nov 22, 1988·15 cites·4 claims
- 0550US4973463ACarbon black for tire treadTOKAI CARBON KK·Filed 1989·Granted Nov 27, 1990·11 cites·1 claims
- 0649US5230878ACarbon black for tire tread rubberTOKAI CARBON KK·Filed 1991·Granted Jul 27, 1993·8 cites·1 claims
- 0743US5069892ACarbon black for tire treadTOKAI CARBON KK·Filed 1990·Granted Dec 3, 1991·7 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →