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Inventor

Masahiro Yamanaka

Inventor
Izumisano, JP

Overview

59→
Patents
1993–2021
Patent span
Performing operations
Primary field (CPC B)

Patents· 59 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

B62Mprimary
B62MRider propulsion of wheeled vehicles or sledges28%
Y10TTechnical subjects covered by former us classification25%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding8%
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges8%
B62KCycles5%
F16CShafts5%
B60BVehicle wheels2%
B62JCycle saddles or seats2%
C08LCompositions of macromolecular compounds2%
H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems2%
PatentTitleYear
10,930,694Semiconductor image sensor module, method for manufacturing the same as well as camera and method for manufacturing the same202110,928,691Active matrix substrate comprising a first contact hole that overlaps with a counter electrode control line and passes through a flattening film and liquid crystal display with the same202110,336,401Bicycle crank assembly201910,175,683Teaching data preparation device and teaching data preparation method for articulated robot20199,487,266'Bicycle crank axle assembly'20169,475,545'Bicycle crank arm and bicycle crank assembly'20169,365,261'Composite bicycle component, composite bicycle crank arm, and method for manufacturing composite bicycle component'20169,359,042'Bicycle crank assembly'20168,955,410'Bicycle crank assembly'20158,721,187'Bicycle axle assembly'20148,677,859'Bicycle crank axle assembly'20148,616,085'Bicycle crank assembly'20138,438,947'Bicycle crank arm'20138,375,827'Bicycle crank assembly'20138,267,417'Bicycle bottom bracket assembly'20128,246,064'Bicycle crank assembly'20127,856,903'Bicycle crank axle with a radial projection'20107,686,721'Bicycle chainring'20107,650,818'Bicycle shaft component'20107,650,817'Bicycle crank assembly'20107,503,239'Bicycle crank arm assembly'20097,503,700'Bicycle bottom bracket assembly'20097,436,123'Discharge lamp ballast device and lighting appliance'20087,378,804'Ballast for a discharge lamp with integrated control circuit for controlling switching element of dc power supply and inverter circuit'20087,258,041'Bicycle crank assembly'20077,240,585'Drive mechanism for a bicycle transmission assist mechanism'20077,234,373'Bicycle crank axle with a radial projection'2007RE039528'Bicycle hub with spacer and detachable freewheel'20077,152,501'Bicycle crank fixing structure'20067,061,228'Apparatus for detecting rotation of a bicycle part'20066,988,427'Seal assembly for a bicycle bottom bracket'20066,938,516'Bicycle crank axle bolt'20056,860,171'Drive mechanism for a bicycle transmission assist mechanism'20056,845,687'Bicycle crank arm'20056,755,095'Bicycle crank assembly and assembly tools'20046,475,110'Bicycle front chainwheel assembly'20026,450,909'Bicycle front chainwheel assembly'20026,443,865'Bicycle front chainwheel assembly'20026,415,684'Bicycle crank arm parts/assembly and assembly tools'20026,409,281'Bicycle hub with spacer and detachable freewheel'20026,393,939'Bicycle crank arm parts/assembly and assembly tools'20026,276,885'Bicycle crank arm parts/assembly and assembly tools'20016,145,184'Method of manufacturing hollow bicycle crank arm'20006,059,171'Bicycle crank and manufacturing method'20006,058,803'Hollow bicycle crank and method for manufacturing same'20005,988,016'Bycycle crank arm'19995,957,592'Expandable bearing retainer'19995,907,980'Bicycle crank arm parts/assembly and assembly tools'19995,904,072'Bicycle crank arm'19995,893,299'Bicycle crank arm'19995,852,954'Bicycle crank arm parts/assembly and assembly tools'19985,845,543'Bicycle crank arm parts/assembly and assembly tools'19985,819,600'Bicycle crank arm parts/assembly and assembly tools'19985,819,599'Bicycle crank arm parts/assembly and assembly tools'19985,771,159'Power supply device'19985,517,399'Power supply having a chopper with an improved power factor'19965,446,064'Thermoplastic elastomer composition'19955,314,941'Thermoplastic elastomer composition of crystalline chlorinated polyethylene and a rubber'19945,270,381'Thermoplastic elastomer composition of crystalline chlorinated polyethylene'1993

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1993–1995Based in Nagoya, JP· patent location history
1996–2008Patents assigned to MATSUSHITA ELECTRIC WORKS LTD (3)· patent assignee history
1998–2019Patents assigned to SHIMANO KK (49)· patent assignee history
1998–2010Based in Izumisano, JP· patent location history
1999–2016Based in Osaka, JP· patent location history
2008Based in Otsu, JP· patent location history
2010–2021Based in Sakai, JP· patent location history
2012–2015Patents assigned to YAMANAKA MASAHIRO (8)· patent assignee history
2012–2015Patents assigned to KUROIWA EIGO (4)· patent assignee history
2013–2015Patents assigned to NONOSHITA TETSU (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHIMANO KK491998–2019
YAMANAKA MASAHIROself82012–2015
KUROIWA EIGO42012–2015
MATSUSHITA ELECTRIC WORKS LTD31996–2008
NONOSHITA TETSU32013–2015
Locations
LocationPatentsSpan
Izumisano, JP271998–2010
Osaka, JP171999–2016
Sakai, JP52010–2021
Nagoya, JP31993–1995
Otsu, JP22008