Inventor

Masashi Nagano

Inventor

Izumi, JP

Overview

1976–2006

Patent span

Performing operations

Primary field (CPC B)

Patents· 206 as inventor

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

B62Mprimary

B62MRider propulsion of wheeled vehicles or sledges44%

Y10TTechnical subjects covered by former us classification26%

B62LBrakes specially adapted for cycles8%

B62KCycles5%

F16CShafts3%

F16HGearing3%

F16DCouplings for transmitting rotation2%

F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges2%

F16GBelts, cables, or ropes, predominantly used for driving purposes1%

B60BVehicle wheels1%

PatentTitleYear

7,104,908'Rear derailleur'2006 6,128,973'Bicycle pedal system having variable tread surfaces'2000 6,089,122'Connecting structure between bicycle pedal and cleat, bicycle pedal and cleat'2000 5,979,266'Brake control apparatus for bicycle'1999 5,855,147'Connecting structure between bicycle pedal and cleat, bicycle pedal and cleat'1999 5,806,379'Bicycle pedal system having variable tread surfaces'1998 5,699,699'Connecting structure between bicycle pedal and cleat, bicycle pedal and cleat'1997 5,557,985'Bicycle cleat coupling structure'1996 5,537,891'Bicycle brake lever mechanism'1996 5,522,282'Connecting structure between bicycle pedal and cleat, bicycle pedal and cleat'1996 5,505,111'Connecting structure between bicycle pedal and cleat, bicycle pedal and cleat'1996 5,497,680'Apparatus for securing a shoe to a bicycle pedal'1996 5,447,362'Quick release apparatus for a bicycle'1995 5,446,977'Cycling shoe having a sole with a removable portion'1995 5,413,534'Chain shift aiding structure for bicycle sprocket'1995 5,400,675'Bicycle control device'1995 5,390,767'Brake caliper support structure for a bicycle'1995 5,379,665'Bicycle pedal'1995 5,373,918'Clamp structure for connecting a brake control cable to a brake caliper'1994 5,330,220'Apparatus for rotatably fitting a fork stem in a head tube of a bicycle'1994 5,325,735'Bicycle speed control apparatus having a speed indicator'1994 5,326,157'Wheel mounting apparatus for a bicycle'1994 5,322,487'Self-contained change speed apparatus with shaped pawls to equalize a shifting spring force for a bicycle'1994 5,312,166'Quick release mechanism having a tightening force indicator'1994 5,307,706'Speed control apparatus for bicycle having a sound producing device'1994 5,293,965'Bicycle brake'1994 5,287,766'Speed control apparatus for a bicycle'1994 5,288,278'Bicycle chain'1994 5,272,936'Bicycle headset'1993 5,273,500'Self-contained change speed apparatus for use on a bicycle and having a planetary gear mechanism'1993 5,273,495'Front gear for bicycle with chain restoring device'1993 5,257,562'Bicycle crank mechanism'1993 5,257,855'Quick release apparatus having a lock mechanism'1993 5,246,405'Front derailleur for a bicycle'1993 5,243,879'Crank axle unit for a bicycle'1993 5,241,878'Bicycle control device'1993 5,222,412'Change speed lever apparatus for use in bicycle'1993 5,217,413'Gear crank apparatus for a bicycle for supporting a plurality of chainwheels'1993 5,209,581'Crank arm mounting apparatus for a bicycle'1993 5,203,213'Bicycle speed control apparatus'1993 5,201,236'System for amplifying manual operating force transmitted to a functional device of a bicycle'1993 5,195,397'Bicycle pedal having two surfaces for fixing a cleat'1993 5,194,051'Sprocket wheel mounting unit for a bicycle'1993 5,192,248'Multi-stage sprocket assembly for bicycle'1993 5,192,249'Multi-stage sprocket assembly for bicycle'1993 5,171,187'Front derailleur'1992 5,152,045'Adjusting jig for cantilever type brake apparatus for use in a bicycle'1992 5,125,173'Cycling shoe'1992 5,123,878'Multistage sprocket assembly'1992 5,115,692'Bicycle pedal'1992 5,095,768'Speed control apparatus for a bicycle'1992 5,087,226'Multi-stage sprocket assembly for bicycle'1992 5,085,620'Multi-gear cluster for bicycle'1992 5,085,621'Multi-stage sprocket assembly for bicycle'1992 5,078,653'Multistep sprocket wheel device for a bicycle'1992 5,078,664'Speed change hub and braking construction'1992 5,073,151'Multi-speed sprocket assembly for bicycle'1991 5,060,537'Bicycle pedal and clamping device therefor'1991 5,052,241'Steering handle apparatus for use in bicycle'1991 5,044,213'Speed control apparatus for a bicycle'1991 5,020,387'Lever shifting device for a bicycle'1991 5,012,692'Change-speed lever apparatus for use in bicycle'1991 5,009,119'Brake control apparatus for bicycle'1991 5,003,841'Bicycle pedal'1991 4,998,907'Connecting pin and method using the connecting pin'1991 4,977,792'Brake control device for use in bicycle'1990 4,960,403'Bicycle drive chain'1990 4,955,849'Front derailleur for use in bicycle'1990 4,930,368'Speed change operating device for a bicycle'1990 4,928,549'Pedal for a bicycle'1990 4,920,818'Speed control device for a bicycle'1990 4,919,004'Speed change operating device'1990 4,905,537'Speed-changing device for a bicycle'1990 4,901,824'Bicycle brake shoe having slit surfaces'1990 4,896,557'Speed-change lever device for a bicycle'1990 4,895,553'Derailleur for a bicycle'1990 4,892,005'End cap for an outer cable'1990 4,889,521'Multistage sprocket assembly for a bicycle'1989 4,873,890'Pedal for a bicycle'1989 4,869,709'Driving gear for a bicycle'1989 4,864,885'Speed control device for a bicycle'1989 4,861,320'Positioning device for a derailleur for a bicycle'1989 4,854,924'Cover device for a driving chain for a bicycle'1989 4,854,191'Speed change device for a bicycle'1989 4,852,698'Side-pull type caliper brake'1989 4,850,940'Adjusting mechanism for a chain guide at a bicycle derailleur'1989 4,840,085'Pedal for a bicycle'1989 4,840,081'Speed-change operating lever for a bicycle'1989 4,838,115'Pedal for a bicycle'1989 4,838,401'Unidirectional rotary transmission mechanism for bicycle parts'1989 4,833,937'Adjusting device for a control cable for a bicycle'1989 4,832,662'Derailleur for a bicycle'1989 RE032924'Derailleur for a bicycle'1989 4,823,915'Operating force transmission device for a brake'1989 4,815,330'Speed change operating device for a bicycle'1989 4,793,444'Caliper brake for a bicycle'1988 4,786,071'Protective device for a bicycle driving chain'1988 4,781,657'Front derailleur for a bicycle'1988 4,778,436'Front derailleur for a bicycle'1988 4,768,623'Cantilever brake for a bicycle'1988 4,766,979'Caliper brake'1988 4,759,230'Braking device for a bicycle'1988 4,756,704'Front derailleur for a bicycle'1988 4,754,853'Caliper brake for a bicycle'1988 4,755,162'Derailleur for a bicycle'1988 4,751,850'Speed change operating device for a bicycle'1988 4,751,852'Speed control device'1988 4,744,784'Rear derailleur for a bicycle'1988 4,744,265'Lever shifting device for a bicycle'1988 4,742,728'Operating lever for a bicycle derailleur'1988 4,743,222'Speed control device for a bicycle'1988 4,736,651'Speed control device for a bicycle'1988 4,734,083'Front derailleur for a bicycle'1988 4,734,084'Derailleur for a bicycle'1988 4,731,045'Derailleur for a bicycle'1988 4,727,636'Manufacturing method for an elliptic gear'1988 4,700,588'Pedal for a bicycle'1987 4,692,131'Rear derailleur for a bicycle'1987 4,690,662'Speed control device'1987 4,690,663'Rear derailleur for a bicycle'1987 4,675,952'Mounting structure for mounting bicycle parts to a bicycle frame'1987 4,674,617'Freewheel for a bicycle'1987 4,670,000'Support structure for a chain guide at a derailleur for a bicycle'1987 4,642,072'Derailleur for a bicycle'1987 4,637,273'Bicycle brake operating device positioned on a drop handle'1987 4,637,809'Rear derailleur for a bicycle'1987 4,635,759'Caliper brake for a bicycle'1987 4,628,769'Speed change hub for a bicycle'1986 4,626,229'Derailleur for a bicycle'1986 4,619,633'Derailleur for a bicycle'1986 4,619,632'Rear derailleur for a bicycle'1986 4,618,332'Derailleur for a bicycle'1986 4,618,333'Derailleur for a bicycle'1986 4,617,006'Front derailleur for a bicycle'1986 4,613,319'Speed change device for a bicycle'1986 4,611,500'Brake operating device'1986 4,612,004'Rear derailleur for a bicycle'1986 4,610,644'Derailleur for a bicycle'1986 4,604,078'Three-stage speed change front derailleur'1986 4,601,682'Derailleur for a bicycle'1986 4,597,474'Brake for a bicycle'1986 4,594,787'Improved bicycle fork end adjuster'1986 4,594,910'Gear crank for a bicycle'1986 4,592,738'Chain gear for a bicycle'1986 4,591,026'Caliper brake having position maintenance means'1986 4,586,913'Front derailleur for a bicycle'1986 4,586,396'Speed change operating device for a bicycle'1986 4,586,914'Multistage front chain gear for a bicycle'1986 4,580,670'Hub for a bicycle'1986 4,576,587'Front chain gear for a bicycle'1986 4,575,365'Rear derailleur for a bicycle'1986 4,573,950'Chain guide in a front derailleur'1986 4,573,951'Derailleur for a bicycle'1986 4,573,949'Derailleur for a bicycle'1986 RE032059'Rear derailleur and control wire guide'1985 4,551,121'Front derailleur for a bicycle'1985 4,546,858'Bicycle brake having an improved adjustment mechanism for adjusting the position of a brake shoe relative to a wheel rim'1985 4,543,847'Brake operating device for a bicycle'1985 4,532,825'Control device for a two stage derailleur'1985 4,530,677'Derailleur for a bicycle'1985 4,528,865'Handle for a bicycle'1985 4,522,610'Gear crank apparatus for a bicycle'1985 4,519,791'Sprocket for a bicycle'1985 4,507,101'Speed control device for a bicycle'1985 RE031796'Derailleur for bicycles and similar vehicles'1985 4,489,307'Handle stem for a bicycle'1984 4,446,753'Adjustable length crank arm for a bicycle'1984 4,330,286'Sprocket for bicycle and the like'1982 4,330,137'Front derailleur for a bicycle'1982 4,325,269'Wire guide for a bicycle'1982 4,323,357'Connecting mechanism for two members of a bicycle deraileur'1982 4,306,871'Rear derailleur and control wire guide'1981 4,305,712'Front derailleur for a bicycle including a wire guide extension'1981 4,304,143'Speed changing device for a bicycle'1981 4,290,506'Center-pull type calliper brake for a bicycle'1981 4,289,490'Improved rear hub chair protector'1981 4,279,172'Derailleur for a bicycle'1981 4,278,265'Rear hub for a bicycle having improved spoke protector mounting'1981 4,270,402'Speed changing device for a bicycle'1981 4,269,601'Rear derailleur for a bicycle'1981 4,265,140'Operating cable'1981 4,259,873'Derailleur'1981 RE030524'Derailleur for a bicycle'1981 4,241,617'Derailleur for a bicycle'1980 4,237,743'Front derailleur for a bicycle'1980 4,226,317'Bicycle hub'1980 4,226,132'Rear derailleur for a bicycle'1980 4,223,562'Front derailleur for a bicycle'1980 4,198,873'Speed changing device for a bicycle and the like'1980 4,198,874'Derailleur for bicycles and similar vehicles'1980 4,198,876'Multi-stage sprocket assembly for a bicycle'1980 4,196,643'Operating lever for a bicycle derailleur'1980 4,194,409'Front derailleur for a bicycle provided with a swingingly movable chain guide'1980 4,193,309'Speed-changing device for bicycle'1980 4,189,954'Speed control device for a bicycle'1980 4,181,033'Sprocket for bicycles'1980 4,154,123'Drive for a bicycle'1979 4,132,119'Derailleur for a bicycle'1979 4,116,319'Rear gear for a bicycle'1978 4,106,356'Derailer for a bicycle'1978 4,102,216'Driving chain for bicycles'1978 4,102,215'Multi-speed freewheel for a bicycle'1978 4,030,375'Derailleur for bicycle'1977 4,027,542'Derailleur for bicycle'1977 3,974,707'Derailleur for a bicycle'1976 3,973,447'Derailleur for a bicycle'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1999Patents assigned to SHIMANO INDUSTRIAL CO (157)· patent assignee history

1976–1985Based in Sakai, JP· patent location history

1981–1995Based in Osaka, JP· patent location history

1984–2006Based in Izumi, JP· patent location history

1992–2006Patents assigned to SHIMANO KK (46)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SHIMANO INDUSTRIAL CO	157	1976–1999
SHIMANO KK	46	1992–2006

Locations

Location	Patents	Span
Izumi, JP	150	1984–2006
Sakai, JP	40	1976–1985
Osaka, JP	16	1981–1995