Kanagawa, Japan

Norio Funahashi

This inventor holds 3 USPTO granted patents. Top assignee: Nec Corporation. Active years: 1992-2000.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Norio Funahashi. Retrieved from https://idiyas.com/inventor/norio-funahashi

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 = 2.0

ph-index = 3

Forward Citations = 27(Granted Patents)


Location History:

  • Tokyo, JP (1992)
  • Kanagawa, JP (2000)

Company Filing History:


Years Active: 1992-2000

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3 patents (USPTO):Explore Patents

Title: Norio Funahashi: Innovator in Semiconductor Technology

Introduction

Norio Funahashi is a prominent inventor based in Kanagawa, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 3 patents. His innovative work has paved the way for advancements in frequency detection circuits and semiconductor devices.

Latest Patents

One of Funahashi's latest patents is a frequency detection circuit. This circuit features a transistor switching device positioned between first and second electric potentials, with a gate that receives a clock signal. A resistor and capacitor are connected in parallel to the output of the transistor switching device, allowing the capacitor to charge and discharge based on the clock signal's levels. The circuit includes a comparison device that evaluates the output voltage against a predetermined threshold, delivering either an AC or DC signal depending on the clock frequency.

Another notable patent is a semiconductor device that consists of first and second elements, a light-shielding member, and a comparator. Both elements are formed on the same substrate and exhibit changes in electrical characteristics when exposed to ultraviolet rays. The light-shielding member protects the first element from UV exposure, while the comparator assesses the electrical characteristics of both elements to generate an abnormality detection signal based on their comparison.

Career Highlights

Norio Funahashi is currently employed at NEC Corporation, where he continues to innovate and develop cutting-edge technologies. His work at NEC has allowed him to contribute to various projects that enhance the performance and reliability of semiconductor devices.

Collaborations

Throughout his career, Funahashi has collaborated with notable colleagues, including Toshihide Tsuboi and Yuji Okamoto. These partnerships have fostered a creative environment that encourages the exchange of ideas and expertise in the field of semiconductor technology.

Conclusion

Norio Funahashi's contributions to semiconductor technology through his patents and collaborations highlight his role as an influential inventor. His work continues to impact the industry, showcasing the importance of innovation in advancing technology.

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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