Assignee
TOYO VALVE CO LTD
7 granted patents·61 citations·filing 1975–1994
Technology mixC22C4
Top patents by PatentIndex Score
7 records- 0174USD252339SValve handleTOYO VALVE CO LTD·Filed 1976·Granted Jul 10, 1979·12 cites·1 claims
- 0270USD252340SValve handleTOYO VALVE CO LTD·Filed 1976·Granted Jul 10, 1979·10 cites·1 claims
- 0368US4101317ACopper alloys with improved corrosion resistance and machinabilityTOYO VALVE CO LTD·Filed 1977·Granted Jul 18, 1978·15 cites·6 claims
- 0452US4113474ACopper alloys of excellent corrosion resistance, moldability and workabilityTOYO VALVE CO LTD·Filed 1976·Granted Sep 12, 1978·9 cites·3 claims
- 0545USD249803SValve handleTOYO VALVE CO LTD·Filed 1976·Granted Oct 3, 1978·6 cites·1 claims
- 0633US3976478ACopper alloy of excellent corrosion resistance, mechanical strength and castabilityTOYO VALVE CO LTD·Filed 1975·Granted Aug 24, 1976·3 cites·9 claims
- 0732US5445687AHot working material of corrosion resistant copper-based alloyTOYO VALVE CO LTD·Filed 1994·Granted Aug 29, 1995·6 cites·7 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →