Location History:
- Shizuoka-ken, JP (1997)
- Fukuroi, JP (1997)
- Kakegawa, JP (2001)
- Fujisawa, JP (1983 - 2005)
Company Filing History:
13 out of 363 
1 out of 2,430 
Years Active: 1983-2005
Title: The Innovative Contributions of Masao Shoji
Introduction
Masao Shoji is a prominent inventor based in Fujisawa, Japan. He has made significant contributions to the field of engineering, particularly in the development of advanced clutch systems. With a total of 13 patents to his name, Shoji's work has had a considerable impact on automotive technology.
Latest Patents
Among his latest patents is the "Starting clutch and method of controlling the same." This invention features a planetary mechanism, a first clutch for outputting torque to the outer diameter portion of the planetary mechanism, a second clutch for outputting torque to the intermediate portion, and a lock mechanism for securing a reactive force from the inner diameter portion. Another notable patent is the "Wet multi-plate clutch," which includes a clutch case and hub aligned on the same axis. This design incorporates a first friction engagement element in the clutch case, a second friction engagement element on the hub, and a piston that applies axial load to both elements. A recessed groove is formed in the piston surface opposing the friction elements, with a wave spring positioned within the groove to enhance performance.
Career Highlights
Masao Shoji has worked with notable companies such as NSK-Warner K.K. and NSK Corporation. His experience in these organizations has allowed him to refine his skills and contribute to innovative projects in the automotive sector.
Collaborations
Throughout his career, Shoji has collaborated with talented individuals, including Yoshio Kinoshita and Tatsuro Miyoshi. These partnerships have fostered a creative environment that has led to the development of groundbreaking technologies.
Conclusion
Masao Shoji's contributions to the field of engineering, particularly in clutch technology, demonstrate his innovative spirit and dedication to advancing automotive systems. His patents reflect a commitment to excellence and a vision for the future of engineering.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.