This inventor holds 10 USPTO granted patents. Top assignees: Takeda Chemical Industries, Inc., The Kitasato Institute. Active years: 1978-2001.
Location History:
- Hyogo, JP (1990 - 2000)
- Ashiya, JP (1978 - 2001)
Company Filing History:

Years Active: 1978-2001
Title: Masayasu Kato: Innovator in Aminobenzene Compounds
Introduction
Masayasu Kato is a prominent inventor based in Hyogo, Japan. He has made significant contributions to the field of chemistry, particularly in the production of aminobenzene compounds. With a total of 10 patents to his name, Kato's work has had a substantial impact on industrial applications.
Latest Patents
Kato's latest patents include a production method of aminobenzene compounds, which provides an industrially useful approach to synthesizing these important chemical intermediates. Another notable patent is a method of producing an erythromycin derivative, specifically an N-demethyl-N-isopropyl-8,9-anhydroerythromycin A-6,9-hemiacetal or its salt. This method involves reacting N-demethylerythromycin A with an isopropylating agent under acidic conditions, leading to the production of a substantially pure crystal of the derivative.
Career Highlights
Throughout his career, Kato has worked with esteemed organizations such as Takeda Chemical Industries, Inc. and The Kitasato Institute. His experience in these institutions has allowed him to refine his expertise and contribute to groundbreaking research in the pharmaceutical and chemical industries.
Collaborations
Kato has collaborated with notable colleagues, including Kenzo Naito and Toru Ishida. These partnerships have fostered innovation and have been instrumental in advancing their shared research goals.
Conclusion
Masayasu Kato's contributions to the field of chemistry, particularly through his innovative patents, highlight his role as a key figure in the development of aminobenzene compounds. His work continues to influence the industry and pave the way for future advancements.