This inventor holds 10 USPTO granted patents. Top assignees: Aisin Seiki Kabushiki Kaisha, Toyota Jidosha Kabushiki Kaisha, Kabushiki Kaisha Toyota Chuo Kenkyusho. Active years: 1978-1990.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Toyota, JP (1978 - 1987)
- Okazaki, JP (1987 - 1988)
- Aichi, JP (1990)
Company Filing History:
10 out of 5,207 
2 out of 38,837 
1 out of 1,153 
Years Active: 1978-1990
Title: The Innovations of Choji Furusawa
Introduction
Choji Furusawa is a notable inventor based in Okazaki, Japan. He has made significant contributions to the field of automatic transmissions, holding a total of 10 patents. His work has been instrumental in advancing automotive technology, particularly in the area of speed change control systems.
Latest Patents
Furusawa's latest patents include a speed change control apparatus for automatic transmissions. This innovative apparatus features a plurality of friction elements that establish a gear stage by engaging one friction element while disengaging another. The system incorporates control valves connected to each friction element, along with a duty solenoid valve for each oil line supplying control hydraulic pressure. The control means effectively manages the engagement and disengagement of friction elements through duty signals, optimizing the performance of automatic transmissions. Another significant patent involves an automatic transmission control system that incorporates an exhaust brake. This system varies servo hydraulic pressure based on vehicle velocity, enhancing the efficiency of the transmission.
Career Highlights
Throughout his career, Choji Furusawa has worked with prominent companies in the automotive industry, including Aisin Seiki and Toyota Motor Corporation. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to the advancement of automatic transmission technologies.
Collaborations
Furusawa has collaborated with esteemed colleagues such as Toshiaki Ishiguro and Shigeki Goto. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies in the automotive sector.
Conclusion
Choji Furusawa's contributions to the field of automatic transmissions are noteworthy and impactful. His innovative patents and collaborations with leading companies and professionals have significantly advanced automotive technology. His work continues to influence the industry, paving the way for future innovations.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile