Inventor · disambiguated record
Toyohiko Yokoyama
Also filed as: YOKOYAMA TOYOHIKO
3 granted patents·88 citations·filing 1987–1990
74Inventor score
Files withTOSHIBA KK3
Top patents by PatentIndex Score
3 records- 0164US5156093ATransportation system of floated-carrier typeTOSHIBA KK·Filed 1990·Granted Oct 20, 1992·51 cites·9 claims
- 0263US4882999ATransportation system of a floated-carrier typeTOSHIBA KK·Filed 1987·Granted Nov 28, 1989·20 cites·6 claims
- 0352US4934279ATransportation system of a floated-carrier typeTOSHIBA KK·Filed 1989·Granted Jun 19, 1990·17 cites·8 claims
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