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For the Inventor, By the Inventor

Osaka, Japan

Mutsumi Hamaguchi

This inventor holds 18 USPTO granted patents and 7 published patent applications, primarily in Touch Panel Technology. Top assignee: Sharp Kabushiki Kaisha Corporation. Active years: 2003-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Mutsumi Hamaguchi. Retrieved from https://idiyas.com/inventor/mutsumi-hamaguchi

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

Calculating rank
USPTO Granted Patents = 18 

% Patents Active = 61.1

Average Co-Inventor Count = 1.7

ph-index = 4

Forward Citations = 38(Granted Patents)


Location History:

  • Tenri, JP (2006)
  • Nara, JP (2003 - 2009)
  • Osaka, JP (2012 - 2017)
  • Sakai, JP (2019 - 2020)

Company Filing History:

goldMedal18 out of 26,000 
 
Sharp Kabushiki Kaisha Corporation
 patents

Years Active: 2003-2020

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Areas of Expertise:
Capacitance Detection
Position Detection
Touch Panel Controller
Electronic Device
Signal Processing
Stylus Pen
Display Module
Semiconductor Integrated Circuit
Voltage-Controlled Oscillator
Gray Code Counter
Tuner
Communication Apparatus
18 patents (USPTO):Explore Patents
1. 10606422 - Capacitance detection method, position detection method, touch panel controller, and electronic device (2020-03-31),
2. 10564787 - Touch panel controller, electronic apparatus, capacitance detection method, and position detection method (2020-02-18),
3. 10534488 - Capacitance detection method, position detection method, touch panel controller, and electronic device (2020-01-14),
4. 10509497 - Display module, touch panel controller, and electronic device (2019-12-17),
5. 10303318 - Capacitance detection method, position detection method, touch panel controller, and electronic device (2019-05-28),
6. 9710075 - Touch panel system and electronic device (2017-07-18),
7. 9606684 - Touch panel controller, touch panel device, and electronic information device (2017-03-28),
8. 9563292 - Stylus pen, touch panel system and electronic device (2017-02-07),
9. 9557834 - Touch panel system, stylus pen, and electronic device (2017-01-31),
10. 9335148 - Touch panel system, and capacitance value distribution detecting device having noise determining section (2016-05-10),
11. 9223439 - Signal processing system, touch panel controller, touch panel system using same, and electronic device (2015-12-29),
12. 8730197 - Touch panel controller and electronic apparatus employing same (2014-05-20),
13. 8319899 - Front-end circuit, tuner, and television broadcasting receiver (2012-11-27),
14. 7570119 - Cascode-connected amplifier circuit, semiconductor integrated circuit using same, and receiving apparatus using same (2009-08-04),
15. 7295096 - Inductor, resonant circuit, semiconductor integrated circuit, oscillator, and communication apparatus (2007-11-13),

Title: Mutsumi Hamaguchi: Innovator in Touch Panel Technology

Introduction

Mutsumi Hamaguchi is a prominent inventor based in Osaka, Japan. She has made significant contributions to the field of touch panel technology, holding a total of 18 patents. Her innovative work has paved the way for advancements in electronic devices and user interface technology.

Latest Patents

Hamaguchi's latest patents include a capacitance detection method, a position detection method, a touch panel controller, and an electronic device. The capacitance detection method focuses on detecting capacitance distribution between detection electrodes and a detected subject on a touch panel with a simple configuration. This method utilizes a drive sense switch element selected from multiple elements based on a code sequence, allowing for efficient detection of capacitance changes. The touch panel controller incorporates a drive circuit that operates based on a drive code series, enabling the detection of capacitance or changes in capacitance through advanced computations.

Career Highlights

Mutsumi Hamaguchi has had a successful career at Sharp Kabushiki Kaisha Corporation, where she has been instrumental in developing cutting-edge technologies. Her work has not only enhanced the functionality of touch panels but has also contributed to the overall advancement of electronic devices in various applications.

Collaborations

Throughout her career, Hamaguchi has collaborated with notable colleagues, including Masayuki Miyamoto and Shinji Shinjo. These collaborations have fostered a creative environment that has led to innovative solutions in touch panel technology.

Conclusion

Mutsumi Hamaguchi's contributions to touch panel technology and her impressive portfolio of patents highlight her role as a leading inventor in the field. Her work continues to influence the development of electronic devices, making her a significant figure in the world of innovation.

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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