This inventor holds 31 USPTO granted patents and 2 EPO patents, primarily in Ignition Systems. Top assignees: Nippon Soken, Inc., Denso Corporation, Toyota Jidosha Kabushiki Kaisha. Active years: 1996-2011.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
20 out of 1,600 
10 out of 20,480 
5 out of 39,078 
Years Active: 1996-2011
Areas of Expertise:
Title: Tohru Yoshinaga: Innovator in Plasma Ignition Systems
Introduction
Tohru Yoshinaga is a distinguished inventor based in Okazaki, Japan, known for his significant contributions to the field of plasma ignition systems. With a total of 31 patents to his name, Yoshinaga has made remarkable advancements that have improved engine performance and efficiency.
Latest Patents
Two of his latest patents focus on innovative plasma ignition technologies. The first patent describes a plasma ignition system that features an ignition plug with a center electrode, ground electrode, and a discharge space. This system utilizes a discharge power source circuit and a plasma generation power source circuit to ignite a fuel/air mixture by converting gas in the discharge space into a plasma state. The unique arrangement of a resistance element and a rectifying device enhances the system's functionality.
His second recent patent also details a plasma ignition system that includes an ignition plug with a center electrode and a ground electrode, alongside a high-voltage supply. This system includes a recess portion on the center electrode that aids in efficiently injecting gas into the engine, showcasing Yoshinaga's innovative approach to engine technology.
Career Highlights
Tohru Yoshinaga has built his career through valuable experiences at prominent companies such as Nippon Soken, Inc. and Denso Corporation. His tenure at these organizations has allowed him to develop and refine his ideas, leading to numerous groundbreaking patents in plasma ignition technology.
Collaborations
Throughout his career, Yoshinaga has had the privilege of collaborating with esteemed colleagues, including Tokio Kohama and Kiyohiko Watanabe. These collaborations have fostered a creative environment, enabling them to pool their expertise to drive innovation in their respective fields.
Conclusion
Tohru Yoshinaga's work in plasma ignition systems exemplifies the power of innovation in enhancing automotive technology. With a solid foundation of patents and a dedication to research and development, he continues to influence the industry significantly. His contributions not only demonstrate his prowess as an inventor but also inspire future advancements in engine technology.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile