Chiba, Japan

Yoshio Koyama

This inventor holds 4 USPTO granted patents. Top assignee: Seiko Instruments Inc. Active years: 2000-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshio Koyama. Retrieved from https://idiyas.com/inventor/yoshio-koyama

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 = 10.0

ph-index = 3

Forward Citations = 22(Granted Patents)


Company Filing History:


Years Active: 2000-2003

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4 patents (USPTO):Explore Patents

Title: The Innovative Mind of Yoshio Koyama

Introduction

Yoshio Koyama hails from Chiba, Japan, and is a notable inventor with a significant contribution to the field of electronic timepieces. With an impressive portfolio of four patents, Koyama continues to excel in his profession, showcasing his ingenuity and passion for innovation.

Latest Patents

One of his most recent inventions is an electronic timepiece featuring a transmission wheel rotational position detecting apparatus. This innovative timepiece incorporates a wheel train and a transmission wheel that rotate in tandem. A contact point spring, aligned linearly with the rotational center of the transmission wheel, aids in generating a detecting signal corresponding to its rotational position. The design includes first and second detection patterns positioned at an angle of approximately 180 degrees, ensuring precise measurements throughout the rotation.

Career Highlights

Yoshio Koyama is employed by Seiko Instruments Inc., a company recognized for its dedication to precision timekeeping and advanced technology. Throughout his career, Koyama has consistently developed innovative solutions that enhance the functionality and reliability of electronic timepieces.

Collaborations

In his journey as an inventor, Koyama has worked alongside talented colleagues such as Kenichi Nakajima and Takayuki Satodate. These collaborations have further enriched his experiences and contributed to the advancement of technology within their field.

Conclusion

Yoshio Koyama's dedication to innovation has led to significant advancements in electronic timepieces. His patents not only reflect his exceptional creativity but also contribute to the ongoing evolution of timekeeping technology. As he continues to innovate, the impact of his work is sure to resonate within the industry for years to come.

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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