Location History:
- Saitama, JP (2011)
- Wako, JP (2006 - 2023)
Company Filing History:
10 out of 21,927 
1 out of 29 Years Active: 2006-2023
Title: The Innovations of Yoshihiko Yamagishi
Introduction
Yoshihiko Yamagishi is a prominent inventor based in Wako, Japan. He has made significant contributions to the field of engineering, particularly in the development of work machines and power supply devices. With a total of 10 patents to his name, Yamagishi's work reflects a commitment to innovation and practicality.
Latest Patents
Among his latest patents is a work machine, specifically a lawnmower, which features a main body unit equipped with a work unit that performs prescribed operations. This machine includes a travel motor that generates a rotational drive force, allowing the main body unit to move. Additionally, it comprises a travel operation unit that issues command information regarding the rotation speed of the travel motor. A control unit is also integrated, which adjusts the rotation speed based on the load variations on the work unit. Another notable patent is a power supply device that includes a battery and a capacitor connected in parallel to a load. This device features a main switching unit that can switch between connection and disconnection states between the battery and the capacitor. It also includes a precharge circuit designed to reduce the current from the battery before supplying it to the capacitor.
Career Highlights
Yamagishi has worked with notable companies such as Honda Motor Co., Ltd. and Toyo Denso Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.
Collaborations
Throughout his career, Yamagishi has collaborated with talented individuals, including Toru Yuki and Yoshihisa Hirose. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Yoshihiko Yamagishi's contributions to innovation in work machines and power supply devices highlight his expertise and dedication to engineering. His patents reflect a blend of creativity and functionality, making a significant impact in his field.