Company Filing History:
Years Active: 1983-1997
Title: Mamoru Yoshikawa: Innovator in Vapor Phase Polymerization
Introduction
Mamoru Yoshikawa is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of polymer chemistry, particularly in the area of vapor phase polymerization. With a total of 8 patents to his name, Yoshikawa's work has had a lasting impact on the industry.
Latest Patents
Yoshikawa's latest patents include a method for vapor phase polymerization of alpha-olefin. This innovative method involves polymerizing or copolymerizing alpha-olefin in a vapor phase condition by supplying a catalyst composed of a solid catalyst component containing titanium and/or vanadium, along with magnesium and an organic aluminum compound. The process ensures that the current due to the electric charge transferred from electrified polymer particles to an electrode is monitored, allowing for stable polymerization without the production of sheet-like polymers. Another notable patent is a method of vapor phase polymerization of olefins, which improves the polymerization process by feeding seed polymer particles and starting the reaction after introducing an organoaluminum compound. This advancement helps avoid the formation of sheet-like polymer during the initial reaction period.
Career Highlights
Throughout his career, Mamoru Yoshikawa has worked with notable companies such as Nippon Petrochemicals Company, Limited and Nippon Oil Company. His expertise in polymerization processes has made him a valuable asset in these organizations.
Collaborations
Yoshikawa has collaborated with esteemed colleagues, including Kunimichi Kubo and Motokazu Watanabe. Their joint efforts have contributed to advancements in polymer technology and innovation.
Conclusion
Mamoru Yoshikawa's contributions to vapor phase polymerization have established him as a key figure in the field of polymer chemistry. His innovative methods and collaborations continue to influence the industry and pave the way for future advancements.
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.