P

Inventor

YAMANAKA MASAHIRO

JP61 patents
⚠️ This page may combine multiple inventors who share the name “YAMANAKA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHIMANO KK

38 patents
US7686721B2Mar 30, 2010

Bicycle chainring

SHIMANO KK90 citations98
US6860171B1Mar 1, 2005

Drive mechanism for a bicycle transmission assist mechanism

SHIMANO KK57 citations96
US6755095B2Jun 29, 2004

Bicycle crank assembly and assembly tools

SHIMANO KK37 citations96
US6409281B1Jun 25, 2002

Bicycle hub with spacer and detachable freewheel

SHIMANO KK63 citations96
US5852954ADec 29, 1998

Bicycle crank arm parts/assembly and assembly tools

SHIMANO KK42 citations96
USRE39528EMar 27, 2007

Bicycle hub with spacer and detachable freewheel

SHIMANO KK20 citations93
US7061228B2Jun 13, 2006

Apparatus for detecting rotation of a bicycle part

SHIMANO KK24 citations93
US6988427B2Jan 24, 2006

Seal assembly for a bicycle bottom bracket

SHIMANO KK28 citations93
US6938516B2Sep 6, 2005

Bicycle crank axle bolt

SHIMANO KK18 citations93
US6475110B1Nov 5, 2002

Bicycle front chainwheel assembly

SHIMANO KK28 citations93
US6450909B1Sep 17, 2002

Bicycle front chainwheel assembly

SHIMANO KK16 citations93
US6443865B1Sep 3, 2002

Bicycle front chainwheel assembly

SHIMANO KK19 citations93
US6276885B1Aug 21, 2001

Bicycle crank arm parts/assembly and assembly tools

SHIMANO KK16 citations93
US6145184ANov 14, 2000

Method of manufacturing hollow bicycle crank arm

SHIMANO KK16 citations93
US6058803AMay 9, 2000

Hollow bicycle crank and method for manufacturing same

SHIMANO KK28 citations93
US6014913AJan 18, 2000

Hollow crank spindle unit for bicycles

SHIMANO KK38 citations93
US5988016ANov 23, 1999

Bycycle crank arm

SHIMANO KK20 citations93
US5957592ASep 28, 1999

Expandable bearing retainer

SHIMANO KK36 citations93
US5907980AJun 1, 1999

Bicycle crank arm parts/assembly and assembly tools

SHIMANO KK22 citations93
US5904072AMay 18, 1999

Bicycle crank arm

SHIMANO KK20 citations93
US5893299AApr 13, 1999

Bicycle crank arm

SHIMANO KK28 citations93
US5845543ADec 8, 1998

Bicycle crank arm parts/assembly and assembly tools

SHIMANO KK17 citations93
US5819600AOct 13, 1998

Bicycle crank arm parts/assembly and assembly tools

SHIMANO KK23 citations93
US5819599AOct 13, 1998

Bicycle crank arm parts/assembly and assembly tools

SHIMANO KK28 citations93
US7650817B2Jan 26, 2010

Bicycle crank assembly

SHIMANO KK27 citations92
US6059171AMay 9, 2000

Bicycle crank and manufacturing method

SHIMANO KK23 citations92
US11505277B1Nov 22, 2022

Crank arm for crank assembly of human powered vehicle

SHIMANO KK12 citations86
US7650818B2Jan 26, 2010

Bicycle shaft component

SHIMANO KK16 citations84
US7503700B2Mar 17, 2009

Bicycle bottom bracket assembly

SHIMANO KK16 citations84
US7503239B2Mar 17, 2009

Bicycle crank arm assembly

SHIMANO KK15 citations84
US7234373B2Jun 26, 2007

Bicycle crank axle with a radial projection

SHIMANO KK10 citations84
US8375827B2Feb 19, 2013

Bicycle crank assembly

SHIMANO KK17 citations82
US7258041B2Aug 21, 2007

Bicycle crank assembly

SHIMANO KK17 citations79
US7240585B2Jul 10, 2007

Drive mechanism for a bicycle transmission assist mechanism

SHIMANO KK6 citations74
US6845687B2Jan 25, 2005

Bicycle crank arm

SHIMANO KK5 citations74
US6415684B1Jul 9, 2002

Bicycle crank arm parts/assembly and assembly tools

SHIMANO KK13 citations74
US6393939B1May 28, 2002

Bicycle crank arm parts/assembly and assembly tools

SHIMANO KK12 citations74
US9475545B2Oct 25, 2016

Bicycle crank arm and bicycle crank assembly

SHIMANO KK2 citations63

MATSUSHITA ELECTRIC WORKS LTD

3 patents
US7378804B2May 27, 2008

Ballast for a discharge lamp with integrated control circuit for controlling switching element of dc power supply and inverter circuit

MATSUSHITA ELECTRIC WORKS LTD27 citations91
US5517399AMay 14, 1996

Power supply having a chopper with an improved power factor

MATSUSHITA ELECTRIC WORKS LTD55 citations91
US7436123B2Oct 14, 2008

Discharge lamp ballast device and lighting appliance

MATSUSHITA ELECTRIC WORKS LTD13 citations82

MITSUBISHI KASEI VINYL

2 patents
US5270381ADec 14, 1993

Thermoplastic elastomer composition of crystalline chlorinated polyethylene

MITSUBISHI KASEI VINYL22 citations90
US5314941AMay 24, 1994

Thermoplastic elastomer composition of crystalline chlorinated polyethylene and a rubber

MITSUBISHI KASEI VINYL13 citations71

YAMANAKA MASAHIRO

2 patents
US8267417B1Sep 18, 2012

Bicycle bottom bracket assembly

YAMANAKA MASAHIRO18 citations83
US8677859B2Mar 25, 2014

Bicycle crank axle assembly

YAMANAKA MASAHIRO4 citations72

MITSUBISHI CHEMICAL MKV CO

1 patent
US5446064AAug 29, 1995

Thermoplastic elastomer composition

MITSUBISHI CHEMICAL MKV CO36 citations91

MATSUSHITA ELECTRIC WOKS LTD

1 patent
US5771159AJun 23, 1998

Power supply device

MATSUSHITA ELECTRIC WOKS LTD27 citations88

KUROIWA EIGO

1 patent
US8246064B2Aug 21, 2012

Bicycle crank assembly

KUROIWA EIGO7 citations78

HONDA MOTOR CO LTD

1 patent
US10175683B2Jan 8, 2019

Teaching data preparation device and teaching data preparation method for articulated robot

HONDA MOTOR CO LTD2 citations72

NONOSHITA TETSU

1 patent
US8616085B2Dec 31, 2013

Bicycle crank assembly

NONOSHITA TETSU5 citations71

Showing the top 50 of 61 patents by PatentIndex Score.