Location History:
- Wako, JP (2015 - 2018)
- Saitama, JP (2004 - 2019)
Company Filing History:
4 out of 21,893 
2 out of 10,092 
Years Active: 2004-2019
Title: The Innovations of Toshio Hiyoshi
Introduction
Toshio Hiyoshi is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of engineering, particularly in power systems and vehicle technology. With a total of 6 patents to his name, Hiyoshi's work reflects a commitment to innovation and practical solutions.
Latest Patents
Hiyoshi's latest patents include a power system that integrates an electric motor, a transmission, and a differential gear system. This innovative design features a first gear mechanically connected to the electric motor and a second gear that shares a rotation axis with the first gear. The system also includes a plurality of pinion gears that mesh with both gears, allowing for efficient power distribution. Additionally, one pinion gear is connected to a rotation restricting mechanism that can switch between operating and non-operating states, enhancing the system's versatility.
Another significant patent is a driving force distribution apparatus for four-wheel drive vehicles. This apparatus comprises a hydraulic clutch, a spool, and a working-oil filling member. The spool is part of an electromagnetic solenoid valve within a hydraulic supply mechanism. It is designed to be slidably held in a sleeve, with one end biased by a plunger and the other by a spring in a damper chamber. The working-oil filling member is strategically positioned to ensure optimal performance of the hydraulic system.
Career Highlights
Throughout his career, Toshio Hiyoshi has worked with prominent companies such as Honda Motor Co., Ltd. and Honda Giken Kogyo Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in automotive technology.
Collaborations
Hiyoshi has collaborated with talented individuals in the field, including Katsumi Kubo and Ryo Matsui. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Toshio Hiyoshi's contributions to innovation in power systems and vehicle technology are commendable. His patents reflect a deep understanding of engineering principles and a dedication to improving vehicle performance. Hiyoshi's work continues to influence the automotive industry and inspire future inventors.