Tochigi, Japan

Koichiro Haga

This inventor holds 1 USPTO granted patent. Top assignee: Calsonic Kansei Corporation. Active years: 2001.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Koichiro Haga. Retrieved from https://idiyas.com/inventor/koichiro-haga

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 = 7.0

ph-index = 1

Forward Citations = 6(Granted Patents)


Company Filing History:


Years Active: 2001

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1 patent (USPTO):Explore Patents

Title: Koichiro Haga: Innovator in Telephone Technology

Introduction

Koichiro Haga is a notable inventor based in Tochigi, Japan. He has made significant contributions to the field of telecommunications, particularly with his innovative designs for hands-free devices. His work has paved the way for more convenient and efficient communication solutions.

Latest Patents

Haga holds a patent for a telephone hands-free apparatus. This invention comprises a housing that contains a telephone receiving case, designed to accommodate a portable telephone. The apparatus features a control circuit board, an external microphone, and an external speaker, all of which enhance the functionality of the portable telephone. The control circuit includes a muting section that ensures seamless communication by managing the microphone's operability while receiving voice signals.

Career Highlights

Koichiro Haga is associated with Calsonic Kansei Corporation, where he has contributed to various projects and innovations. His expertise in telecommunications has been instrumental in developing user-friendly devices that cater to modern communication needs.

Collaborations

Haga has worked alongside talented colleagues such as Yukio Nakanishi and Kohei Hashimoto. Their collaborative efforts have led to advancements in technology and improved product offerings in the telecommunications sector.

Conclusion

Koichiro Haga's contributions to the field of telecommunications, particularly through his patented hands-free apparatus, highlight his innovative spirit and dedication to enhancing communication technology. His work continues to influence the industry and improve user experiences.

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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