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For the Inventor, By the Inventor

Gifu, Japan

Makoto Kitagawa

This inventor holds 14 USPTO granted patents, primarily in Liquid Crystal Displays. Top assignee: Sanyo Electric Co., Ltd.. Active years: 1999-2010.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Makoto Kitagawa. Retrieved from https://idiyas.com/inventor/makoto-kitagawa-uf32bbqj

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

Calculating rank
USPTO Granted Patents = 14

% Patents Active = 78.6

Average Co-Inventor Count = 3.4

ph-index = 7

Forward Citations = 173(Granted Patents)


Location History:

  • Anpachi-gun, JP (1999 - 2000)
  • Gunfu, JP (2000)
  • Gifu-ken, JP (2005)
  • Gifu, JP (2001 - 2010)

Company Filing History:

goldMedal14 out of 8,782 
 
Sanyo Electric Co., Ltd.
 patents

Years Active: 1999-2010

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Areas of Expertise:
Active Matrix Display
Liquid Crystal Display
Power Supply Circuit
Driving Apparatus
Signal Processing
Digital Correction
Flicker Reduction
Image Data Processing
Light Collecting Mechanism
Multi-gradation Driving
Display Device
14 patents (USPTO):Explore Patents
1. 7777737 - Active matrix type liquid crystal display device (2010-08-17),
2. 7728805 - Liquid crystal display capable of making flicker difficult to be observed and reducing power consumption (2010-06-01),
3. 7196701 - Driving apparatus for display device (2007-03-27),
4. 7190381 - Liquid crystal display device and adjusting method of the same (2007-03-13),
5. 7091946 - Display device (2006-08-15),
6. 7030871 - Active matrix display device (2006-04-18),
7. 6891427 - Charge pump type power supply circuit and driving circuit for display device and display device using such power supply circuit (2005-05-10),
8. 6888528 - Liquid crystal display apparatus having light collecting mechanism (2005-05-03),
9. 6876365 - Signal processing circuit for display device (2005-04-05),
10. 6483496 - Drive circuit for display apparatus (2002-11-19),
11. 6278496 - Digital correction circuit and image data processing apparatus equipped with a digital correction circuit (2001-08-21),
12. 6127991 - Method of driving flat panel display apparatus for multi-gradation (2000-10-03),
13. 6118905 - Image data processing through changing error diffusing technique (2000-09-12),
14. 5990855 - Image information process apparatus for causing a display to display (1999-11-23),

Title: The Innovations of Makoto Kitagawa

Introduction

Makoto Kitagawa is a prominent inventor based in Gifu, Japan. He has made significant contributions to the field of liquid crystal display technology, holding a total of 14 patents. His work focuses on enhancing display performance while reducing power consumption.

Latest Patents

One of Kitagawa's latest patents is for an active matrix type liquid crystal display device that reduces power consumption in devices with a partial display function. In this innovation, a display area corresponding to the first 80 horizontal periods is designated as a partial display area, while the remaining lines serve as a background display area. The control signal for the partial display area is set to a low level, allowing for efficient operation. Another notable patent involves a liquid crystal display designed to minimize flicker visibility while simplifying the circuit structure for image reversal. This display features multiple drain and gate lines, along with subsidiary capacitors that enhance image quality and reduce power usage.

Career Highlights

Makoto Kitagawa is currently employed at Sanyo Electric Co., Ltd., where he continues to develop cutting-edge display technologies. His work has significantly impacted the efficiency and performance of liquid crystal displays, making them more user-friendly and energy-efficient.

Collaborations

Throughout his career, Kitagawa has collaborated with talented individuals such as Yusuke Tsutsui and Mitsugu Kobayashi. These partnerships have fostered innovation and contributed to the advancement of display technology.

Conclusion

Makoto Kitagawa's contributions to liquid crystal display technology exemplify his commitment to innovation and efficiency. His patents reflect a deep understanding of the complexities involved in display technology, making him a key figure in the industry.

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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