Location History:
- Tokyo, JA (1976 - 1977)
- Yokohama, JA (1977)
- Kurashiki, JP (1988)
- Yokohama, JP (1979 - 1995)
Company Filing History:
12 out of 614 
3 out of 499 Years Active: 1976-1995
Title: **Innovative Contributions of Masayuki Otake in Chemical Engineering**
Introduction
Masayuki Otake, a prominent inventor located in Yokohama, Japan, has made significant contributions to the field of chemical engineering with a total of 15 patents to his name. His innovative processes not only enhance existing methodologies but also pave the way for new applications in the chemical industry.
Latest Patents
Otake's latest patents showcase his expertise in developing advanced chemical processes. One notable patent details a process for preparing naphthalene or its derivatives. This innovative method involves the cyclodehydrogenation of a benzene derivative that has at least one aliphatic hydrocarbon group, utilizing a zirconia catalyst containing chromium in an oxidized state. Another significant patent describes a process for producing lactones through a hydrogenation reaction that combines dicarboxylic acids, anhydrides, or esters with hydrogen in a liquid phase, using a solvent and a catalyst comprised of ruthenium and organic phosphine. These patents highlight Otake's commitment to advancing chemical synthesis methods.
Career Highlights
Masayuki Otake has gained extensive experience through his work with notable companies in the chemical sector. He has worked with Mitsubishi Chemical Industries Limited and Mitsubishi Kasei Corporation, where he honed his skills and expertise in chemical processes. His career reflects a dedication to integrating innovation into practical applications within the industry.
Collaborations
Throughout his career, Otake has collaborated with other talented professionals, including Takeru Onoda and Masayoshi Murayama. These partnerships have allowed him to enhance his research initiatives and contribute meaningfully to collective advancements in chemical technology.
Conclusion
Masayuki Otake stands out as an influential inventor in the chemical engineering landscape. His 15 patents, particularly in developing processes for naphthalene and lactones, demonstrate his innovative spirit and commitment to improving chemical methodologies. His collaborations and career achievements further solidify his status as a key contributor to advancements in the industry.