Kawasaki, Japan

Masafumi Itokazu

This inventor holds 5 USPTO granted patents. Top assignee: Fujitsu Corporation. Active years: 1999-2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Masafumi Itokazu. Retrieved from https://idiyas.com/inventor/masafumi-itokazu

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


% Patents Active = 100.0

Average Co-Inventor Count = 5.4

ph-index = 5

Forward Citations = 169(Granted Patents)


Location History:

  • Kawasaki, JP (1999 - 2000)
  • Kanagawa, JP (2001)

Company Filing History:


Years Active: 1999-2001

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5 patents (USPTO):Explore Patents

Title: Masafumi Itokazu: Innovator in Liquid Crystal Display Technology

Introduction

Masafumi Itokazu is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of liquid crystal display (LCD) technology. With a total of 5 patents to his name, Itokazu has been instrumental in advancing the capabilities and efficiency of LCD devices.

Latest Patents

Itokazu's latest patents include innovative designs and processes that enhance the functionality of liquid crystal displays. One notable patent is for a liquid crystal display device and the process for production thereof. This invention involves forming a capacitor electrode simultaneously with drain bus lines, which is electrically connected to the contacts of two thin-film transistors (TFTs) through a contact hole. An interlayer insulating film is then formed, along with a black matrix of light-blocking metal film, which collectively forms a capacitor. Another significant patent is for a liquid-crystal display device that includes a checkout circuit. This device features a substrate with a pixel area, scanning buses, data buses, pixel transistors, and pixel electrodes, along with a scanning driver and a data driver for energizing and presenting data signals.

Career Highlights

Masafumi Itokazu is currently employed at Fujitsu Corporation, where he continues to innovate in the field of display technology. His work has not only contributed to the advancement of LCD technology but has also positioned Fujitsu as a leader in this competitive industry.

Collaborations

Throughout his career, Itokazu has collaborated with notable colleagues, including Hiroshi Murakami and Koji Yoshioka. These collaborations have fostered a creative environment that has led to groundbreaking advancements in liquid crystal display technology.

Conclusion

Masafumi Itokazu's contributions to liquid crystal display technology are significant and impactful. His innovative patents and collaborations have paved the way for advancements in the industry, solidifying his reputation as a leading inventor in this field.

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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