Assignee
KANAO SHIRO
JP·28 granted patents·1,019 citations·filing 1977–1993
Top patents by PatentIndex Score
28 records- 0196US4343672AMethod and apparatus for producing tubeKANAO SHIRO·Filed 1980·Granted Aug 10, 1982·106 cites·17 claims
- 0295US4487232ADoubled-walled corrugated synthetic resin pipeKANAO SHIRO·Filed 1982·Granted Dec 11, 1984·90 cites·8 claims
- 0394USD296356SCorrugated pipeKANAO SHIRO·Filed 1985·Granted Jun 21, 1988·40 cites·1 claims
- 0494US4140154AFlexible hoseKANAO SHIRO·Filed 1977·Granted Feb 20, 1979·77 cites·4 claims
- 0592US5046531ASynthetic resin pipe for underground useKANAO SHIRO·Filed 1986·Granted Sep 10, 1991·79 cites·19 claims
- 0692USD296355SCorrugated pipeKANAO SHIRO·Filed 1985·Granted Jun 21, 1988·33 cites·1 claims
- 0791US4862924AFlexible hard pipeKANAO SHIRO·Filed 1989·Granted Sep 5, 1989·71 cites·14 claims
- 0886US4587145AFlexible hoseKANAO SHIRO·Filed 1984·Granted May 6, 1986·39 cites·17 claims
- 0985US5311753ADrain hose for washing machine and which includes a corrugated intermediate portionKANAO SHIRO·Filed 1992·Granted May 17, 1994·62 cites·6 claims
- 1084US4350547AFlexible hoseKANAO SHIRO·Filed 1981·Granted Sep 21, 1982·51 cites·8 claims
- 1181US5007462ASynthetic resin underground pipe having high pressure-withstanding capabilityKANAO SHIRO·Filed 1990·Granted Apr 16, 1991·50 cites·7 claims
- 1281US4628966ASynthetic resin pipe for underground useKANAO SHIRO·Filed 1985·Granted Dec 16, 1986·40 cites·6 claims
- 1378US4230899AElectroconductive hose for cleanerKANAO SHIRO·Filed 1978·Granted Oct 28, 1980·25 cites·6 claims
- 1477US4800928AFlexible pipeKANAO SHIRO·Filed 1987·Granted Jan 31, 1989·42 cites·6 claims
- 1576US5191916APressure-resistant helical corrugated pipeKANAO SHIRO·Filed 1989·Granted Mar 9, 1993·38 cites·6 claims
- 1669US5316047APressure-resistant helical corrugated pipeKANAO SHIRO·Filed 1991·Granted May 31, 1994·29 cites·8 claims
- 1765US4624603AUnderground drain pipeKANAO SHIRO·Filed 1985·Granted Nov 25, 1986·20 cites·6 claims
- 1863USD270997SHose clampKANAO SHIRO·Filed 1980·Granted Oct 18, 1983·8 cites·1 claims
- 1960US5193588APressure-resistant helical corrugated pipeKANAO SHIRO·Filed 1992·Granted Mar 16, 1993·25 cites·6 claims
- 2056US4830694AMethod of manufacturing pressure withstanding pipeKANAO SHIRO·Filed 1987·Granted May 16, 1989·14 cites·16 claims
- 2153USD268735SHose clampKANAO SHIRO·Filed 1980·Granted Apr 26, 1983·5 cites·1 claims
- 2251USD322026STube clampKANAO SHIRO·Filed 1990·Granted Dec 3, 1991·6 cites·1 claims
- 2351US4796672APressure-withstanding pipeKANAO SHIRO·Filed 1986·Granted Jan 10, 1989·13 cites·16 claims
- 2449US5329973ARigid polyvinyl chloride pipeKANAO SHIRO·Filed 1993·Granted Jul 19, 1994·16 cites·8 claims
- 2544US5284185APressure-resistant helical corrugated pipe and method of producing sameKANAO SHIRO·Filed 1991·Granted Feb 8, 1994·13 cites·10 claims
- 2642US5109889APressure-resistant helical corrugated pipeKANAO SHIRO·Filed 1989·Granted May 5, 1992·10 cites·6 claims
- 2741US5184649APressure-resistant helical corrugated pipeKANAO SHIRO·Filed 1991·Granted Feb 9, 1993·11 cites·2 claims
- 2836US4611636AReinforced underground pipeKANAO SHIRO·Filed 1985·Granted Sep 16, 1986·6 cites·8 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →