This inventor holds 4 USPTO granted patents. Top assignees: Nitto Kasei Co., Ltd., Shionogi Company Limited, Kanesho Co., Ltd.. Active years: 1981-1990.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Takatsuki, JP (1981)
- Osaka, JP (1988 - 1990)
- Ibaraki, JP (1990)
Company Filing History:
4 out of 20 
2 out of 1,001 
1 out of 3 Years Active: 1981-1990
Title: Masazumi Fujikawa: Innovator in Organotin Chemistry
Introduction
Masazumi Fujikawa is a notable inventor based in Osaka, Japan. He has made significant contributions to the field of organotin chemistry, holding a total of four patents. His work primarily focuses on the preparation of asymmetric triorganotin halides and their applications in pesticides.
Latest Patents
Fujikawa's latest patents include a process for the preparation of asymmetric triorganotin halides. This process involves reacting an asymmetric tetraorganotin compound with a tin (IV) halide, either in the presence or absence of an inert organic solvent. Another significant patent involves organotin compounds and pesticides containing them, detailing a compound formula that includes various alkyl and aralkyl groups, as well as halogen and trifluoromethyl substitutions.
Career Highlights
Throughout his career, Fujikawa has worked with prominent companies such as Nitto Kasei Co., Ltd. and Shionogi & Company Limited. His expertise in organotin chemistry has led to advancements in both industrial applications and agricultural practices.
Collaborations
Fujikawa has collaborated with esteemed colleagues, including Hideyuki Imazaki and Katsuaki Oba. These partnerships have fostered innovation and contributed to the development of new chemical processes and products.
Conclusion
Masazumi Fuj
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile