Location History:
- Yamato, JP (1996)
- Machida, JP (1997)
- Kanagawa, JP (1998 - 1999)
- Osaka, JP (2012)
- Yokohama, JP (1988 - 2020)
Company Filing History:
9 out of 499 
4 out of 2,347 
3 out of 614 
Years Active: 1988-2020
Title: Hisao Takayanagi: Innovator in Chemical Production
Introduction
Hisao Takayanagi is a prominent inventor based in Yokohama, Japan. He has made significant contributions to the field of chemical production, holding a total of 18 patents. His work focuses on innovative methods that enhance the efficiency and effectiveness of chemical processes.
Latest Patents
Among his latest patents is a method for producing 4-alkoxy-3-(trifluoromethyl)benzyl alcohol. This invention relates to a production method that achieves a high conversion ratio while strictly suppressing the production of byproducts by utilizing DIBAL as a reducing agent. Another notable patent involves a salt of an isoquinoline compound and its crystal form. This invention provides a stable compound, (R)-3-[2-(2-hydroxymethylpyrrolidin-1-yl)ethyl]-5-methyl-2H-isoquinolin-1-one monophosphate, which exhibits high solubility and minimal weight change due to humidity, making it superior for pharmaceutical applications.
Career Highlights
Hisao Takayanagi has worked with notable companies such as Mitsubishi Kasei Corporation and Mitsubishi Chemical Corporation. His experience in these organizations has allowed him to develop and refine his innovative approaches to chemical production.
Collaborations
Throughout his career, Takayanagi has collaborated with esteemed colleagues, including Yasunori Kitano and Yasuhiro Morinaka. These partnerships have contributed to the advancement of his research and the successful development of his inventions.
Conclusion
Hisao Takayanagi's contributions to chemical production through his innovative patents and collaborations highlight his importance in the field. His work continues to influence advancements in pharmaceutical and chemical industries.
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.