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For the Inventor, By the Inventor

Suwa, Japan

Chiharu Kaburagi

This inventor holds 6 USPTO granted patents. Top assignee: Seiko Epson Corporation. Active years: 1991-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Chiharu Kaburagi. Retrieved from https://idiyas.com/inventor/chiharu-kaburagi

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 3.2

ph-index = 6

Forward Citations = 299(Granted Patents)


Location History:

  • Suwa, JP (1991 - 2000)
  • Chino, JP (2001 - 2002)

Company Filing History:

goldMedal6 out of 34,238 
 
Seiko Epson Corporation
 patents

Years Active: 1991-2002

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6 patents (USPTO):Explore Patents
1. 6452526 - Video signal processing circuit, video display and electronic equipment both using the circuit, and method of adjusting output of digital-analog converters (2002-09-17),
2. 6307681 - Electro-optical device, electronic equipment, and method of driving an electro-optical device (2001-10-23),
3. 6160532 - Digital gamma correction circuit, gamma correction method, and a liquid (2000-12-12),
4. 5638093 - Touch panel input device and control method thereof (1997-06-10),
5. 5184257 - Head positioning control for a spindle motor disk drive (1993-02-02),
6. 5023733 - Head positioning control for a spindle motor disk drive (1991-06-11),

Title: Chiharu Kaburagi: Innovator in Video Signal Processing

Introduction

Chiharu Kaburagi is a notable inventor based in Suwa, Japan. He has made significant contributions to the field of video signal processing, holding a total of 6 patents. His work focuses on enhancing the performance and efficiency of electronic equipment through innovative circuit designs.

Latest Patents

Kaburagi's latest patents include advancements in video signal processing circuits and methods for adjusting the output of digital-analog converters. One of his inventions features an image signal processing circuit that incorporates a phase-expansion circuit and a digital polarity-inversion circuit. This design utilizes multiple D/A converters and operational amplifiers, with the resistance values of amplitude adjusting resistors being fine-tuned through laser trimming. Additionally, he has developed an electro-optical device that effectively manages precharge signals to prevent luminance and chrominance non-uniformity in image signals.

Career Highlights

Chiharu Kaburagi is currently employed at Seiko Epson Corporation, where he continues to innovate in the realm of electronic devices. His expertise in video signal processing has positioned him as a key player in the development of advanced electronic equipment.

Collaborations

Kaburagi has worked alongside talented colleagues, including Takashi Kurumisawa and Takahiro Sagawa, contributing to a collaborative environment that fosters innovation and creativity.

Conclusion

Chiharu Kaburagi's contributions to video signal processing and electronic equipment design highlight his role as a leading inventor in the industry. His patents reflect a commitment to advancing technology and improving the functionality of electronic devices.

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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