Osaka, Japan

Toyohiko Chiba

This inventor holds 1 USPTO granted patent. Top assignee: Izumi Denki Company Limited. Active years: 1976.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Toyohiko Chiba. Retrieved from https://idiyas.com/inventor/toyohiko-chiba

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 = 3.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1976

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1 patent (USPTO):Explore Patents

Title: Spotlight on Toyohiko Chiba: Innovating with Motor Timer Technology

Introduction: Toyohiko Chiba, a visionary inventor based in Osaka, Japan, has made significant contributions to the field of motor timer technology. With a keen eye for innovation and a passion for creating practical solutions, Chiba has successfully secured one patent in his name for his groundbreaking motor timer invention.

Latest Patents: Chiba's notable patent is for the Motor Timer - a cutting-edge device that incorporates a prefabricated timing mechanism block featuring essential components such as a drive motor, reduction gear, clutch, and timing gear. Additionally, the device includes a prefabricated contact mechanism block comprising a leaf-spring contact assembly and an actuating member for seamless interconnection, along with efficient means for assembling the blocks during the final stages of production.

Career Highlights: As a dedicated inventor, Chiba currently thrives in his role at Izumi Denki Company Limited, a leading player in the innovation landscape. His commitment to pushing the boundaries of motor timer technology has not only solidified his position within the company but has also garnered recognition within the industry for his inventive prowess.

Collaborations: Throughout his career, Chiba has had the pleasure of collaborating with esteemed colleagues such as Teizo Fujita and Tosiro Ohashi. Together, they have pooled their expertise and creativity to drive forward groundbreaking projects and bring fresh ideas to the table.

Conclusion: Toyohiko Chiba's unwavering dedication to innovation and his ability to transform ideas into tangible solutions have positioned him as a key figure in the realm of motor timer technology. His inventive spirit, coupled with his collaborative efforts, continues to inspire those around him and pave the way for future advancements in the field.

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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