Assignee
SANKEI GIKEN KOGYO KK
JP·23 granted patents·486 citations·filing 1981–2001
Top patents by PatentIndex Score
23 records- 0180US4574913AMuffler with spark arresting functionSANKEI GIKEN KOGYO KK·Filed 1984·Granted Mar 11, 1986·45 cites·25 claims
- 0279US4589517AMufflerSANKEI GIKEN KOGYO KK·Filed 1984·Granted May 20, 1986·45 cites·16 claims
- 0377US6857502B2Engine muffler and method of manufacturing the sameSANKEI GIKEN KOGYO KK·Filed 2001·Granted Feb 22, 2005·28 cites·8 claims
- 0476US5937686ABending apparatus for hollow double-structured pipeSANKEI GIKEN KOGYO KK·Filed 1997·Granted Aug 17, 1999·32 cites·6 claims
- 0574US5461777AApparatus for manufacturing a silencerSANKEI GIKEN KOGYO KK·Filed 1994·Granted Oct 31, 1995·32 cites·2 claims
- 0670US5479706AMethod for manufacturing silencer and apparatus for manufacturing sameSANKEI GIKEN KOGYO KK·Filed 1994·Granted Jan 2, 1996·36 cites·2 claims
- 0769US4547942AMethod for producing a mufflerSANKEI GIKEN KOGYO KK·Filed 1983·Granted Oct 22, 1985·18 cites·11 claims
- 0868US5813704AFlexible jointSANKEI GIKEN KOGYO KK·Filed 1997·Granted Sep 29, 1998·38 cites·3 claims
- 0968US4580656AAbsorbent retainer for absorbent type mufflerSANKEI GIKEN KOGYO KK·Filed 1984·Granted Apr 8, 1986·32 cites·12 claims
- 1065US6390142B1Engine exhaust systemSANKEI GIKEN KOGYO KK·Filed 2001·Granted May 21, 2002·16 cites·4 claims
- 1155US4925634ACatalytic converter for use with internal combustion engineSANKEI GIKEN KOGYO KK·Filed 1988·Granted May 15, 1990·22 cites·3 claims
- 1250US5419878AExhaust purifying deviceSANKEI GIKEN KOGYO KK·Filed 1994·Granted May 30, 1995·13 cites·4 claims
- 1350US4637491AMuffler for internal combustion engine and method of manufacturing tubes for use thereinSANKEI GIKEN KOGYO KK·Filed 1985·Granted Jan 20, 1987·10 cites·9 claims
- 1449US5698268AResin composition for electroless metal deposition and method for electroless metal depositionSANKEI GIKEN KOGYO KK·Filed 1997·Granted Dec 16, 1997·14 cites·4 claims
- 1547US5323608AExhaust purifying deviceSANKEI GIKEN KOGYO KK·Filed 1993·Granted Jun 28, 1994·19 cites·9 claims
- 1647US5302355AExhaust purifying device and method of producing the sameSANKEI GIKEN KOGYO KK·Filed 1993·Granted Apr 12, 1994·18 cites·10 claims
- 1746US5749255ABending device for hollow double-structured pipeSANKEI GIKEN KOGYO KK·Filed 1996·Granted May 12, 1998·15 cites·1 claims
- 1846US4851298AMulti-layer tube of a muffler for an internal combustion engineSANKEI GIKEN KOGYO KK·Filed 1988·Granted Jul 25, 1989·13 cites·7 claims
- 1946US4354573ASilencer for motorcycleSANKEI GIKEN KOGYO KK·Filed 1981·Granted Oct 19, 1982·19 cites·6 claims
- 2039US4404042AMethod for color-painting on chromium-plated surfaceSANKEI GIKEN KOGYO KK·Filed 1981·Granted Sep 13, 1983·5 cites·5 claims
- 2135US4793544AMethod of producing a multi-layer tube of a mufflerSANKEI GIKEN KOGYO KK·Filed 1986·Granted Dec 27, 1988·7 cites·4 claims
- 2230US4719679AMethod of manufacturing tubes for use in a muffler for internal combustion enginesSANKEI GIKEN KOGYO KK·Filed 1986·Granted Jan 19, 1988·3 cites·8 claims
- 2325US5230928AElectroless plating methodSANKEI GIKEN KOGYO KK·Filed 1990·Granted Jul 27, 1993·6 cites·3 claims
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