Assignee
YANG TZU TSAN
TW·4 granted patents·140 citations·filing 1986–1987
Top patents by PatentIndex Score
4 records- 0173US4706392AInterchangeable shoe and slipper combinationYANG TZU TSAN·Filed 1986·Granted Nov 17, 1987·78 cites·2 claims
- 0268US4650181ADynamic rowing machineYANG TZU TSAN·Filed 1986·Granted Mar 17, 1987·42 cites·5 claims
- 0343US4688816AMultiple-wheel cycleYANG TZU TSAN·Filed 1986·Granted Aug 25, 1987·16 cites·4 claims
- 0431US4756542ASeparable multiple-wheel cycleYANG TZU TSAN·Filed 1987·Granted Jul 12, 1988·4 cites·1 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →