Takamatsu, Japan

Takao Arakawa

This inventor holds 1 USPTO granted patent. Top assignee: Tokyo Shibaura Denki Kabushiki Kaisha. Active years: 1985.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Takao Arakawa. Retrieved from https://idiyas.com/inventor/takao-arakawa-armhr3ju

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 = 4.0

ph-index = 1

Forward Citations = 8(Granted Patents)


Company Filing History:


Years Active: 1985

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1 patent (USPTO):Explore Patents

Title: Takao Arakawa: Innovator in Camera Technology

Introduction

Takao Arakawa is a notable inventor based in Takamatsu, Japan. He has made significant contributions to the field of camera technology, particularly with his innovative approach to preventing image blur.

Latest Patents

Arakawa holds a patent for a "Picture blur-alarm device for a camera." This device includes a photo-electric converter that time-sequentially sends brightness data corresponding to various regions of an optical image of a foreground object. It features a comparator that compares successive brightness data from the photo-electric converter, producing an output signal based on the differences in brightness levels. An alarm circuit is integrated to issue an alert when the output signal exceeds a prescribed level, ensuring that users are notified of potential image blur.

Career Highlights

Arakawa is associated with Tokyo Shibaura Denki Kabushiki Kaisha, a company known for its advancements in electrical and electronic technology. His work has contributed to enhancing the functionality and reliability of camera systems.

Collaborations

Throughout his career, Arakawa has collaborated with esteemed colleagues such as Shinichi Suzuki and Masayuki Sasaki. Their combined expertise has fostered innovation and development in their respective fields.

Conclusion

Takao Arakawa's contributions to camera technology through his patented inventions demonstrate his commitment to innovation and excellence. His work continues to influence the industry and improve user experience in photography.

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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