Location History:
- Tokyo, JP (1991 - 2003)
- Hiratsuka, JP (1992 - 2006)
- Kanagawa, JP (2010)
Company Filing History:
9 out of 2,763 
5 out of 10 
2 out of 2 
Years Active: 1991-2010
Title: Susumu Watanabe: Innovator in Valve and Tire Technology
Introduction
Susumu Watanabe, a distinguished inventor based in Hiratsuka, Japan, has made significant contributions to the fields of valve mechanisms and tire design. With a prolific record of 20 patents, his innovative solutions have advanced both industrial and automotive technologies.
Latest Patents
Among Watanabe's latest inventions is a groundbreaking valve drive device. This device prevents the loosening of a locknut that secures a stem nut to a drive sleeve, enhancing reliability in valve operations. The valve drive device features a stem nut that screws into a valve stem, a drive sleeve engaging with a male spline on the stem nut, and includes a worm gear and a housing that supports the drive sleeve with bearings. A unique fastening mechanism with a first male screw and a reverse thread locknut ensures no slack occurs between components.
Another noteworthy invention is a pneumatic tire designed with innovative groove configurations. It features a peripheral main groove in the tread center area, flanked by intricately designed inclined main grooves. These grooves are oriented in opposing directions, enhancing the tire's grip and performance. The tire's design connects various grooves at specific ratios, further contributing to its effectiveness on the road.
Career Highlights
Watanabe's career is marked by his association with prominent companies, notably the Yokohama Rubber Co., Ltd. and Nippon Gear Co., Ltd. His work in these organizations has not only showcased his engineering skills but also helped propel advancements in their respective fields.
Collaborations
Throughout his career, Watanabe has worked alongside esteemed colleagues like Izumi Kuramochi and Kiyoshi Tomioka. Their collaborative efforts have fostered a synergy that has borne numerous innovative products and patent filings.
Conclusion
In summary, Susumu Watanabe stands out as a remarkable inventor whose patents and innovations enhance the functionality and safety of everyday products such as valves and tires. His work continues to inspire future generations of engineers and inventors striving for excellence in technology.