Inventor · disambiguated record
Szu-Fang Tsai
Also filed as: TSAI JR SZU-FANG · TSAI SZU-FANG
41 granted patents·25 pending applications·175 citations·filing 2004–2021
97Inventor score
Top patents by PatentIndex Score
66 records- 0196US11667349B2Bicycle rear derailleurTEKTRO TECHNOLOGY CORP·Filed 2021·Granted Jun 6, 2023·6 cites·20 claims
- 0290US7946395B1Front brake of racing bicycleTEKTRO TECHNOLOGY CORP·Filed 2010·Granted May 24, 2011·9 cites·1 claims
- 0390US7240772B2Embedding typed handbrake operating deviceTEKTRO TECHNOLOGY CORP·Filed 2005·Granted Jul 10, 2007·22 cites·1 claims
- 0488US11975797B2Bicycle caliper, bicycle caliper control method, and bicycle caliper control systemTEKTRO TECHNOLOGY CORP·Filed 2020·Granted May 7, 2024·2 cites·5 claims
- 0588US7424863B2Bell and brake lever combination for bicycleTEKTRO TECHNOLOGY CORP·Filed 2007·Granted Sep 16, 2008·18 cites·2 claims
- 0687US8453534B2Braking handlebar for bicycleTSAI SZU-FANG·Filed 2011·Granted Jun 4, 2013·10 cites·4 claims
- 0786US9598137B2Bicycle front fork assemblyTEKTRO TECH CORP·Filed 2015·Granted Mar 21, 2017·6 cites·6 claims
- 0885US8061487B2Mechanism for quickly loosening and tightening brake cable in caliper brake of bicycleTSAI SZU-FANG·Filed 2009·Granted Nov 22, 2011·11 cites·4 claims
- 0983US7802660B2Quick-release device of a bicycle brake cableTEKTRO TECHNOLOGY CORP·Filed 2008·Granted Sep 28, 2010·10 cites·1 claims
- 1082US8151945B2Bicycle brake with a mechanism for quickly loosening brake cableTSAI SZU-FANG·Filed 2010·Granted Apr 10, 2012·5 cites·1 claims
- 1179US10935094B2Wear warning device and warning systemTEKTRO TECHNOLOGY CORP·Filed 2019·Granted Mar 2, 2021·2 cites·19 claims
- 1279US7243762B2Bicycle handbrake operating deviceTEKTRO TECHNOLOGY CORP·Filed 2005·Granted Jul 17, 2007·8 cites·2 claims
- 1377US9394029B2Bicycle disc brake apparatusTEKTRO TECHNOLOGY CORP·Filed 2013·Granted Jul 19, 2016·4 cites·4 claims
- 1475US8006809B2Mechanism for quickly adjusting tightness of brake cable in caliper brake of bicycleTEKTRO TECHNOLOGY CORP·Filed 2009·Granted Aug 30, 2011·6 cites·7 claims
- 1573US9975604B2Dual control lever and bicycle stem having the sameTEKTRO TECHNOLOGY CORP·Filed 2015·Granted May 22, 2018·3 cites·17 claims
- 1669USD521427SBrake leverTEKTRO TECHNOLOGY CORP·Filed 2004·Granted May 23, 2006·15 cites·1 claims
- 1768US8651245B1Bicycle brake unitTSAI SZU-FANG·Filed 2012·Granted Feb 18, 2014·2 cites·7 claims
- 1867US7303052B2Device for tightening and loosening bicycle brake wireTSAI SZU-FANG·Filed 2005·Granted Dec 4, 2007·3 cites·4 claims
- 1967US7281611B2Bicycle handbrake conduit structureTSAI SZU-FANG·Filed 2005·Granted Oct 16, 2007·4 cites·8 claims
- 2066US9776684B2DerailleurTEKTRO TECH CORP·Filed 2015·Granted Oct 3, 2017·1 cites·15 claims
- 2165US8459420B2Brake lever assembly with two cylinder unitsTSAI SZU-FANG·Filed 2011·Granted Jun 11, 2013·2 cites·4 claims
- 2264US7017716B1Handbrake operating device structureTEKTRO TECHNOLOGY CORP·Filed 2005·Granted Mar 28, 2006·2 cites·1 claims
- 2363US8622181B2Brake operating device of electric bicycle with sensorTSAI SZU-FANG·Filed 2012·Granted Jan 7, 2014·1 cites·8 claims
- 2463US7182180B2Bike brake clampTEKTRO TECHNOLOGY CORP·Filed 2004·Granted Feb 27, 2007·8 cites·1 claims
- 2562US8608354B2Remote control for bicycle headlight and rear lightTSAI SZU-FANG·Filed 2012·Granted Dec 17, 2013·2 cites·4 claims
- 2661US10046826B2Dual control lever and bicycle control assemblyTEKTRO TECHNOLOGY CORP·Filed 2015·Granted Aug 14, 2018·1 cites·12 claims
- 2760US11492067B2Bicycle braking and locking mechanismTEKTRO TECHNOLOGY CORP·Filed 2021·Granted Nov 8, 2022·0 cites·4 claims
- 2860US8657077B2Cantilever brake with quick release mechanismTSAI SZU-FANG·Filed 2012·Granted Feb 25, 2014·1 cites·3 claims
- 2960US7000738B1U-type handbrake assembly structureTEKTRO TECHNOLOGY CORP·Filed 2005·Granted Feb 21, 2006·1 cites·1 claims
- 3059US11577805B2Bicycle front derailleurTEKTRO TECHNOLOGY CORP·Filed 2020·Granted Feb 14, 2023·0 cites·15 claims
- 3159US8281910B2Brake operating device with magnetic brake sensitivity adjustment arrangement for bicyclesTSAI SZU-FANG·Filed 2009·Granted Oct 9, 2012·2 cites·3 claims
- 3258US7806071B1Bicycle bell in the vicinity of brake leverTEKTRO TECHNOLOGY CORP·Filed 2009·Granted Oct 5, 2010·1 cites·1 claims
- 3356US11745823B2Bicycle braking and parking deviceTEKTRO TECHNOLOGY CORP·Filed 2021·Granted Sep 5, 2023·0 cites·9 claims
- 3456US8261888B2Brake lever with a mechanism for quickly loosening brake cable of racing bicycleTSAI SZU-FANG·Filed 2010·Granted Sep 11, 2012·2 cites·1 claims
- 3556US8006810B2Quick-release device of a bicycle brake cableTEKTRO TECHNOLOGY CORP·Filed 2008·Granted Aug 30, 2011·1 cites·1 claims
- 3654US8904648B2Hydraulic hose cutting deviceTSAI SZU-FANG·Filed 2012·Granted Dec 9, 2014·0 cites·4 claims
- 3753US2011127119A1Ratchet mechanism for quickly adjusting tightness of brake cable in a caliper brake of bicycleTSAI SZU-FANG·Filed 2009·Application pending·0 cites
- 3853US2011079998A1Coupling for hydraulic disc brake of bicycleTSAI SZU-FANG·Filed 2009·Application pending·0 cites
- 3951US7055659B2Bike brake shoe molding structureTEKTRO TECHNOLOGY CORP·Filed 2004·Granted Jun 6, 2006·2 cites·1 claims
- 4051US2010051394A1Bicycle brake system for preventing a front wheel from being braked aloneTSAI SZU-FANG·Filed 2008·Application pending·0 cites
- 4150US7174805B2Cross racing bike front brake leverTEKTRO TECHNOLOGY CORP·Filed 2004·Granted Feb 13, 2007·1 cites·1 claims
- 4250US2009152063A1Pumping device for a hydraulic brake of a bicycleTSAI SZU-FANG·Filed 2007·Application pending·0 cites
- 4350US2009152062A1Position seat for a hydraulic brake device of a bicycleTSAI SZU-FANG·Filed 2007·Application pending·0 cites
- 4449US6877588B1Bike cantilever brake armTEKTRO TECHNOLOGY CORP·Filed 2004·Granted Apr 12, 2005·1 cites·2 claims
- 4549US2009193927A1Locking device of a bicycle brake cableTSAI SZU-FANG·Filed 2008·Application pending·0 cites
- 4648US9855795B2Clutch assemblyTEKTRO TECHNOLOGY CORP·Filed 2015·Granted Jan 2, 2018·0 cites·6 claims
- 4748US2009250299A1Brake pad holder with arrangement for fine adjustment of a distance between brake pad and wheel rimTSAI SZU-FANG·Filed 2008·Application pending·0 cites
- 4848US2008250893A1Two-piece coupling for a bicycle hydraulic disc brakeTEKTRO TECHNOLOGY CORP·Filed 2007·Application pending·0 cites
- 4948US2014225364A1Quick-Mounting Pipe StructureTEKTRO TECHNOLOGY CORP·Filed 2013·Application pending·0 cites
- 5046US2009152061A1Adjustable pumping device for a hydraulic brake device of a bicycleTSAI SZU-FANG·Filed 2007·Application pending·0 cites
Showing the top 50 of 66 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Szu-Fang Tsai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →