Location History:
- Ashiya, JA (1976)
- Ashiya, JP (1978)
- Chiba, JP (1983 - 1993)
Company Filing History:
18 out of 6,892 
3 out of 4,414 
Years Active: 1976-1993
Title: Innovations of Hiroyoshi Takao
Introduction
Hiroyoshi Takao is a prominent inventor based in Chiba, Japan. He has made significant contributions to the field of rubber compositions, holding a total of 18 patents. His work has led to advancements in materials that are essential for various applications, particularly in the automotive industry.
Latest Patents
One of Takao's latest patents involves a vulcanizable rubber composition. This composition comprises a copolymer rubber made of ethylene, propylene, and nonconjugated polyene. The ethylene/propylene molar ratio ranges from 78/22 to 97/3, with the total content of propylene and nonconjugated polyene being between 6 to 30% by mole in the copolymer rubber. The resulting vulcanized product exhibits excellent tensile strength, heat resistance, oil resistance, compression set resistance, and flex behavior. This innovative rubber composition can be utilized in various applications, including automobile parts, socket covers, heat-resistant hoses, electric wires, condenser caps, heat-resistant belts, vibration-proof rubber, weather strips, seal sponges, and the black sidewall of tires.
Career Highlights
Throughout his career, Hiroyoshi Takao has worked with notable companies such as Sumitomo Chemical Company, Limited and Sumitomo Rubber Industries Limited. His experience in these organizations has allowed him to refine his expertise in rubber technology and contribute to significant advancements in the field.
Collaborations
Takao has collaborated with esteemed colleagues, including Akio Imai and Nobuyuki Yoshida. These partnerships have fostered innovation and have been instrumental in the development of his patented technologies.
Conclusion
Hiroyoshi Takao's contributions to the field of rubber compositions have had a lasting impact on various industries. His innovative patents and collaborations highlight his dedication to advancing material science. His work continues to influence the development of high-performance rubber products.
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.