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For the Inventor, By the Inventor

Hsinchu, Taiwan

Yi-Chih Chang

This inventor holds 8 USPTO granted patents. Top assignee: Waltop International Corporation. Active years: 2017-2021.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yi-Chih Chang. Retrieved from https://idiyas.com/inventor/yi-chih-chang

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

USPTO Granted Patents = 8

% Patents Active = 87.5

Average Co-Inventor Count = 1.5

ph-index = 1

Forward Citations = 3(Granted Patents)


Location History:

  • Taipei, TW (2017)
  • Hsinchu, TW (2018 - 2021)

Company Filing History:

goldMedal8 out of 59 
 
Waltop International Corporation
 patents

Years Active: 2017-2021

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8 patents (USPTO):Explore Patents
1. 11023057 - Stylus structure having a barrier unit for contacting with a trigger component (2021-06-01),
2. 10895930 - Message erasing device and message erasing system (2021-01-19),
3. 10613647 - Portable electronic device and stylus thereof (2020-04-07),
4. 10599272 - Portable electronic device and active capacitive stylus thereof (2020-03-24),
5. 10564737 - Capacitive stylus with eraser (2020-02-18),
6. 10429956 - Capacitive stylus with detachable eraser (2019-10-01),
7. 10042444 - Capacitive stylus with two transmit electrodes (2018-08-07),
8. 9703401 - Portable electronic device and miniaturization rechargeable capacitive stylus thereof (2017-07-11),

Title: Yi-Chih Chang: Innovator in Stylus and Message Erasing Technologies

Introduction

Yi-Chih Chang is a prominent inventor based in Hsinchu, Taiwan. He has made significant contributions to the fields of stylus technology and message erasing systems. With a total of eight patents to his name, Chang continues to push the boundaries of innovation.

Latest Patents

One of Yi-Chih Chang's latest patents is a stylus structure that features a barrier unit for contacting a trigger component. This innovative stylus includes a housing unit with an accommodating space and an opening that are in spatial communication. The stylus cover unit is detachably sleeved on the housing unit, while the control unit comprises a processing component and a trigger component that are electrically connected. The barrier unit in the accommodating space contacts the trigger component, ensuring that the processing component remains in a power OFF state.

Another notable patent is the message erasing device and system. This system includes a message erasing device and a message receiving device. The message erasing device consists of a device body, a processing module, and an erasing module. The device body interacts with the message receiving device through a clearing unit, effectively erasing the actual message. The processing module generates an erasing signal, which prompts the message receiving device to provide a clear signal to an electronic device.

Career Highlights

Yi-Chih Chang is currently employed at Waltop International Corporation, where he continues to develop innovative technologies. His work has garnered attention for its practical applications and technological advancements.

Collaborations

Chang collaborates with talented individuals such as Chia-Jui Yeh and Ying-Hwa Tang, contributing to a dynamic and innovative work environment.

Conclusion

Yi-Chih Chang's contributions to stylus technology and message erasing systems highlight his role as a leading inventor in his field. His innovative patents reflect a commitment to advancing technology and improving user experiences.

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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