Yawata, Japan

Bunitsu Yamaguchi

This inventor holds 1 USPTO granted patent. Top assignee: Matsushita Electric Industrial Co., Ltd.. Active years: 1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Bunitsu Yamaguchi. Retrieved from https://idiyas.com/inventor/bunitsu-yamaguchi

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 = 2.0

ph-index = 1

Forward Citations = 5(Granted Patents)


Company Filing History:


Years Active: 1984

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1 patent (USPTO):Explore Patents

Title: Bunitsu Yamaguchi: Innovator in Phonographic Technology

Introduction

Bunitsu Yamaguchi is a notable inventor from Yawata, Japan, recognized for his contributions to phonographic technology. He has developed an innovative record player that enhances the listening experience for music enthusiasts. His work exemplifies the spirit of innovation in the field of audio equipment.

Latest Patents

Yamaguchi holds a patent for an improved phonographic record player. This invention features a design where a plurality of phonographic records mounted on a changer spindle are positively held in a horizontal position by a record presser. This presser is movably mounted within the dust cover of the record player, ensuring optimal performance and protection for the records. He has 1 patent to his name.

Career Highlights

Bunitsu Yamaguchi has made significant strides in his career, working with Matsushita Electric Industrial Co., Ltd., a leading company in the electronics industry. His role at Matsushita has allowed him to contribute to advancements in audio technology, particularly in the design and functionality of record players.

Collaborations

Yamaguchi has collaborated with Seizo Miyoshi, a fellow innovator, to further enhance the development of audio equipment. Their partnership has fostered creativity and innovation within the industry.

Conclusion

Bunitsu Yamaguchi's work in developing an improved phonographic record player showcases his dedication to innovation in audio technology. His contributions continue to influence the way we experience music today.

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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