Company Filing History:
4 out of 504 
3 out of 377 
Years Active: 1984-1985
Title: Shigeru Tomihira: Innovator in Rubber Compositions
Introduction
Shigeru Tomihira is a notable inventor based in Kodaira, Japan. He has made significant contributions to the field of rubber compositions, holding a total of 4 patents. His work focuses on enhancing the properties of polybutadiene rubber, which is crucial for various applications in the tire and rubber industries.
Latest Patents
Tomihira's latest patents include innovative formulations aimed at improving the performance of rubber materials. One of his patents discloses a polybutadiene rubber composition that boasts improved green strength. This composition features a polybutadiene with a cis-1,4 bond content of at least 70%, an average chain length of 1,4-bond ranging from 110 to 450, and a molecular weight distribution characterized by a weight-average to number-average molecular weight ratio of no less than 5.0. Another significant patent presents a rubber composition designed to enhance wet skid resistance and rolling resistance. This composition consists of 10-90% by weight of polybutadiene rubber with a cis-1,4 bond content of at least 80% and an average chain length of no less than 110, combined with 10-90% by weight of a random styrene-butadiene copolymer rubber.
Career Highlights
Throughout his career, Shigeru Tomihira has worked with prominent companies in the rubber industry. He has been associated with Bridgestone Tire Company Limited and Japan Synthetic Rubber Co., Ltd., where he has contributed to the development of advanced rubber technologies.
Collaborations
Tomihira has collaborated with notable colleagues in his field, including Mitsuhiko Sakakibara and Masaki Ogawa. Their combined expertise has likely contributed to the innovative advancements in rubber compositions.
Conclusion
Shigeru Tomihira's contributions to the field of rubber compositions have led to significant advancements in material performance. His innovative patents and collaborations highlight his role as a key figure in the rubber industry.
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.