Kariya, Japan

Yasuyuki Wakahara

This inventor holds 21 USPTO granted patents, primarily in Rotary Electric Machines. Top assignees: Denso Corporation, Tris Inc., Nippondenso Co., Ltd.. Active years: 1987-2007.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yasuyuki Wakahara. Retrieved from https://idiyas.com/inventor/yasuyuki-wakahara

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 85.7

Average Co-Inventor Count = 3.5

ph-index = 6

Forward Citations = 126(Granted Patents)


Company Filing History:


Years Active: 1987-2007

Loading Chart...
Areas of Expertise:
Metal-Graphite Brush
Copper-Graphite Brush
Electromagnetic Switch
Shock Absorber
Rotary Electric Machine
Chemical Treatment
Grease Composition
Starter Motor
Magnetic Switch
Lead Wire Unit
Brush Holding Device
Drain Pipe
21 patents (USPTO):Explore Patents

Title: Innovations by Yasuyuki Wakahara: A Look at His Contributions and Collaborations

Introduction

Yasuyuki Wakahara, based in Kariya, Japan, is a notable inventor with a prolific portfolio that includes 21 patents. His work primarily focuses on enhancements in brush technology, particularly metal-graphite brushes that play a crucial role in various electrical and mechanical applications.

Latest Patents

Wakahara's latest inventions include a pioneering design for a metal-graphite brush. This brush features a body composed of a commutator side portion that contains graphite, copper, and a metal sulfide solid lubricant, while the lead side portion consists only of graphite and copper without any metal sulfide solid lubricant. In addition, he has developed a copper-graphite brush, which incorporates a copper-zinc alloy powder that contains 10 to 50 wt % of zinc, with a mean particle diameter of 15 micrometers or less. This innovative Pb-less brush body consists of graphite, copper, and a metal sulfide solid lubricant, enhancing performance and durability.

Career Highlights

Throughout his career, Wakahara has made significant contributions to his field through his inventive work. He has worked with prominent companies such as Denso Corporation, where he has applied his expertise in brush technology to develop advancements that are both innovative and practical for industry needs.

Collaborations

In his journey as an inventor, Wakahara has collaborated with esteemed colleagues, including Masami Niimi and Kyoji Inukai. These partnerships have fostered a creative environment leading to breakthrough innovations and patents that continue to impact the industry positively.

Conclusion

Yasuyuki Wakahara remains a significant figure in the field of brush technology, with his 21 patents showcasing his dedication to innovation. His continual contributions, alongside collaborations with other skilled professionals, promise a bright future for advancements in this dynamic field. His work not only reflects personal achievement but also addresses broader industrial needs, marking him as an influential inventor in modern engineering.

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]
Loading…