Ikoma, Japan

Seiji Fijisawa

This inventor holds 1 USPTO granted patent. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1977.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Fijisawa. Retrieved from https://idiyas.com/inventor/seiji-fijisawa

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 3.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1977

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1 patent (USPTO):Explore Patents

Title: The Innovations of Seiji Fijisawa: A Pioneer in Television Technology

Introduction: Seiji Fijisawa, an accomplished inventor based in Ikoma, Japan, has made significant contributions to the field of television technology. With a keen focus on enhancing viewer experience, his innovative ideas continue to impact the industry.

Latest Patents: Fijisawa holds a patent for a groundbreaking device aimed at improving television image quality. His patent, titled "Brightness and Contrast Control for Television Receiver," introduces a unique picture control circuit that allows for simultaneous manipulation of both brightness and contrast. This invention also provides the capability to adjust contrast independently, enabling viewers to customize their viewing experience to their liking.

Career Highlights: Fijisawa is currently associated with Matsushita Electric Industrial Co., Ltd., a renowned name in electronics and technology. His work contributes to the company’s legacy of innovation and commitment to enhancing consumer electronics.

Collaborations: Throughout his career, Fijisawa has collaborated with fellow inventors, including Norio Meki and Hiroyuki Irie. Together, they have worked to push the boundaries of television technology, resulting in advancements that have benefited the industry.

Conclusion: Seiji Fijisawa’s contributions to television technology exemplify the spirit of innovation and creativity. As he continues to push the envelope in enhancing viewing experiences, his work inspires future generations of inventors in the 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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