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For the Inventor, By the Inventor

Taipei, Taiwan

Chia-Jui Yeh

This inventor holds 32 USPTO granted patents and 2 published patent applications, primarily in Capacitive Stylus Technology. Top assignees: Waltop International Corporation, Aiptek International Gmbh, Wacom Co., Ltd.. Active years: 2001-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chia-Jui Yeh. Retrieved from https://idiyas.com/inventor/chia-jui-yeh

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

USPTO Granted Patents = 32 

% Patents Active = 65.6

Average Co-Inventor Count = 1.6

ph-index = 5

Forward Citations = 129(Granted Patents)


Location History:

  • Taipei, TD (2014)
  • Hsinchu County, TW (2015 - 2017)
  • Taipei, TW (2001 - 2020)
  • Hsinchu, TW (2004 - 2021)

Company Filing History:

goldMedal21 out of 59 
 
Waltop International Corporation
 patents
silverMedal6 out of 66 
 
Aiptek International Gmbh
 patents
bronzeMedal5 out of 1,270 
 
Wacom Co., Ltd.
 patents

Years Active: 2001-2021

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Areas of Expertise:
Capacitive Stylus
Electromagnetic Input Device
Signal Transmitting Method
Handwriting Input Apparatus
Tilt Angle Detection
Electromagnetic Pen
Tablet Coordinate Computation
Pressure-Sensitive Pointer
Wireless Handwriting Tablet
Image Processing System
Dual Mode Digitizer
Electromagnetic Induction
32 patents (USPTO):Explore Patents
1. 11042231 - Stylus structure for transmitting a color signal (2021-06-22),
2. 10564737 - Capacitive stylus with eraser (2020-02-18),
3. 10429956 - Capacitive stylus with detachable eraser (2019-10-01),
4. 10082895 - Capacitive stylus and touch control apparatus applying synchronized time difference signal transmitting method (2018-09-25),
5. 10082894 - Synchronized time difference signal transmitting method and capacitive stylus as well as touch input apparatus applying this method (2018-09-25),
6. 10042444 - Capacitive stylus with two transmit electrodes (2018-08-07),
7. 9983698 - Capacitive stylus signal transmitting and application method and capacitive stylus applying this method (2018-05-29),
8. 9965060 - Capacitive stylus and tilt angle detecting method thereof (2018-05-08),
9. 9778777 - Electromagnetic input device and coil detection circuit thereof (2017-10-03),
10. 9690399 - Signal decoding and modulation processing system for capacitive stylus (2017-06-27),
11. 9377920 - Electromagnetic induction panel structure and method of manufacturing the same, and electromagnetic handwriting input device (2016-06-28),
12. 9280217 - Capacitive pointer (2016-03-08),
13. 9229546 - Circuit of frequency counter and method thereof (2016-01-05),
14. 9207784 - Pressure-sensitive electromagnetic pointer and control method thereof (2015-12-08),
15. 9092107 - Electromagnetic pen with electromagnetic and ink writing functions (2015-07-28),

Title: Chia-Jui Yeh: A Pioneering Innovator in Stylus Technology

Introduction

Chia-Jui Yeh is a renowned inventor based in Taipei, Taiwan, known for his innovative contributions to stylus technology. With an impressive portfolio of 32 patents, Yeh has significantly impacted the way users interact with touch devices. His inventions reflect a strong understanding of both user needs and technical functionality.

Latest Patents

Chia-Jui Yeh's latest patents showcase his ingenuity in stylus development. One notable invention is the "Stylus Structure for Transmitting a Color Signal." This innovative stylus incorporates a main body module, control module, modulation module, and cover module, allowing for efficient interaction with external electronic devices. The stylus is equipped with a movable unit that aligns openings for power transmission and generates color signals based on sensing inputs.

Another remarkable patent is the "Capacitive Stylus with Eraser." This stylus design includes a pen housing that emits input signals and an eraser capable of producing an erasing signal. The pressure applied by the eraser on the touch device determines the intensity of the erasing signal, making it a versatile tool for users.

Career Highlights

Chia-Jui Yeh has had a successful career, collaborating with notable companies in the technology sector. He has worked with Waltop International Corporation and Aiptek International GmbH, where he contributed to the advancement of stylus technology and touch interface solutions. His role in these companies has allowed him to leverage his creativity and technical skills to develop practical inventions.

Collaborations

Throughout his career, Chia-Jui Yeh has collaborated with talented professionals, including Chung-Fuu Mao and Yi-Chih Chang. These collaborations have fostered a creative environment that nurtures innovation and leads to the development of cutting-edge technological solutions.

Conclusion

Chia-Jui Yeh stands out as a leading inventor in the field of stylus technology. His contributions, reflected in his 32 patents, continue to shape the way users interact with touch devices. As the industry evolves, Yeh's innovative spirit will undoubtedly lead to further advancements, enhancing user experiences worldwide.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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