Location History:
- Higashimurayama, JP (1988 - 1991)
- Kodaira, JP (1995 - 1996)
- Tokyo, JP (1991 - 1998)
Company Filing History:
12 out of 5,118 
8 out of 377 
1 out of 1,432 
Years Active: 1988-1998
Title: **Innovations by Tatsuro Hamada**
Introduction
Tatsuro Hamada is a prominent inventor based in Tokyo, Japan, holding an impressive portfolio of 13 patents. His innovative work primarily revolves around advancements in rubber compositions and pneumatic tire technology, which have significant implications for the automotive industry.
Latest Patents
One of Hamada's latest patents focuses on a unique rubber composition for all-season type pneumatic tires. This composition consists of a rubber component combined with particulates of a crystalline syndiotactic-1,2-polybutadiene resin. The resin particulates, averaging between 1 to 500 micrometers in diameter, have a melting point of no less than 110 degrees Celsius. This innovative formulation enhances the performance and durability of tires, providing excellent properties for tread rubber.
Moreover, Hamada has developed a process for producing diolefin polymers or copolymers. This involves polymerizing a conjugated diolefin with an aromatic vinyl compound in a hydrocarbon solvent. The innovative production method uses a combination of secondary amines and various lithium compounds, resulting in rubber compositions that exhibit superior abrasion resistance, high tensile strength, and low rolling resistance—attributes crucial for fuel-efficient tires.
Career Highlights
Throughout his career, Tatsuro Hamada has made significant contributions while working with renowned companies such as Bridgestone Corporation and Japan Synthetic Rubber Co., Ltd. His expertise in rubber technology has directly influenced the advancements in tire performance and manufacturing processes.
Collaborations
Hamada has collaborated with esteemed colleagues, including Tatsuo Fujimaki and Noboru Oshima, bringing together their collective knowledge and expertise to foster innovations in the field of rubber compositions and tire technology.
Conclusion
In summary, Tatsuro Hamada’s inventive work stands at the forefront of tire technology innovation. His contributions through multiple patents reflect a deep understanding of materials and engineering principles, showcasing his vital role in advancements that benefit both the automotive industry and consumers alike.
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.