Location History:
- Osaka, JP (1990 - 1991)
- Matsubara, JP (1991)
Company Filing History:
3 out of 772 
2 out of 5 
1 out of 3 Years Active: 1990-1991
Title: Eiichi Katayama: Innovator in Tool Adapter Technology
Introduction
Eiichi Katayama is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of tool adapter technology, holding a total of 3 patents. His innovative designs have advanced the functionality and efficiency of various mechanical tools.
Latest Patents
One of Katayama's latest patents is the "Traction Drive Tool Adapter." This invention features a rotary portion with planetary roller-inserting bores that enhance the tool's performance. The design allows for planetary rollers to be set in specific grooves, ensuring smooth operation and effective torque transmission. Another significant patent is the "Speed-Up Spindle Unit," which includes a non-rotative housing and a sun roller that works in conjunction with planetary rollers. This design enables the planetary rollers to rotate about their axes while revolving around the sun roller, effectively transmitting torque to the high-speed spindle.
Career Highlights
Throughout his career, Katayama has worked with reputable companies such as Koyo Seiko Company, Ltd. and Showa Tool Co., Ltd. His experience in these organizations has contributed to his expertise in tool design and innovation.
Collaborations
Katayama has collaborated with notable coworkers, including Kouichi Ueda and Kazuo Rokkaku. Their combined efforts have led to advancements in tool technology and innovative solutions in the industry.
Conclusion
Eiichi Katayama's contributions to tool adapter technology through his patents and collaborations highlight his role as a significant inventor in the field. His work continues to influence the design and functionality of mechanical tools today.