Location History:
- Nagano, JP (1992 - 1993)
- Shimosuwa-machi, JP (1998 - 2000)
Company Filing History:
2 out of 264 
1 out of 13 
1 out of 307 Years Active: 1992-2000
Title: The Innovations of Tokuhisa Tsutsui
Introduction
Tokuhisa Tsutsui is a notable inventor based in Shimosuwa-machi, Japan. He has made significant contributions to the field of engineering, particularly in the development of dynamic-pressure fluid bearings. With a total of 4 patents to his name, Tsutsui's work has had a considerable impact on various applications.
Latest Patents
One of Tsutsui's latest patents involves a dynamic-pressure fluid bearing that comprises bearing parts formed by a pair of dynamic-pressure surfaces. One of these surfaces features a polyamideimide coating thicker than 3 micrometers, while the other surface is made of metal. This innovative bearing design is particularly applicable to driving motors for polygon mirrors. Additionally, Tsutsui's patent includes a particle removing function that facilitates the removal of dust and other particles accumulated on the bearing parts.
Career Highlights
Throughout his career, Tokuhisa Tsutsui has worked with prominent companies such as Sankyo Seiki Manufacturing Co., Ltd. and K.K. Sankyo Seiki Seisakusho. His experience in these organizations has allowed him to refine his skills and contribute to various engineering projects.
Collaborations
Tsutsui has collaborated with several talented individuals in his field, including Yasushi Mizusaki and Hiromasa Marumo. These partnerships have fostered innovation and have led to the successful development of new technologies.
Conclusion
Tokuhisa Tsutsui's contributions to the field of engineering, particularly through his patents on dynamic-pressure fluid bearings, showcase his innovative spirit and dedication to advancing technology. His work continues to influence the industry and inspire future inventors.