This inventor holds 9 USPTO granted patents. Top assignees: Mitsubishi Gas Chemical Company, Inc., Mitsubishi Gas Chemical Company Co., Inc.. Active years: 1985-2001.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Kurashiki, JP (1985 - 1987)
- Kayama, JP (1988)
- Okayama, JP (1990 - 1993)
- Tukuba, JP (1999 - 2001)
- Tsukuba, JP (2001)
- Ibaraki-ken, JP (2001)
Company Filing History:
8 out of 2,307 
1 out of 1 Years Active: 1985-2001
Title: The Innovative Contributions of Yukio Sakai
Introduction
Yukio Sakai is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the field of materials science, particularly in the production of carbon fibers and related materials. With a total of 9 patents to his name, Sakai's work has had a lasting impact on various industries.
Latest Patents
Sakai's latest patents include a groundbreaking process for the production of carbon fibers. This process involves melt-spinning mesophase pitch with an optically anisotropic content of at least 90%, a softening point ranging from 190°C to 280°C, and a heating weight loss of 0.7% by weight or less at a spinning temperature. The method results in the formation of a spun fiber, which is then infusibilized to obtain an infusible fiber before carbonizing it. Another notable patent is a method for producing isotropic pitch, activated carbon fibers, and carbon materials for non-aqueous secondary battery anodes. This method includes preparing a synthetic pitch by reacting a conjugated polycyclic hydrocarbon with a low molecular weight alkyl group in the presence of hydrofluoric acid and boron trifluoride, followed by treatment with an oxidizing gas at elevated temperatures.
Career Highlights
Throughout his career, Yukio Sakai has worked with esteemed organizations such as Mitsubishi Gas Chemical Company, Inc. and Mitsubishi Gas Chemical Company Co., Inc. His innovative approaches and dedication to research have positioned him as a leader in his field.
Collaborations
Sakai has collaborated with notable colleagues, including Isao Mochida and Jitsuo Oishi. These partnerships have further enhanced his research and development efforts, leading to advancements in carbon fiber technology.
Conclusion
Yukio Sakai's contributions to the field of materials science, particularly in carbon fiber production, showcase his innovative spirit and dedication to advancing technology. His patents and collaborations reflect a commitment to excellence that continues to influence the industry.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile