This inventor holds 3 USPTO granted patents and 4 EPO patents. Top assignee: Asahi Kasei Chemicals Corporation. Active years: 2009-2016.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Yokosuka, JP (2009)
- Tokyo, JP (2016)
Company Filing History:
Years Active: 2009-2016
Title: Sadao Shoji: Innovator in Chemical Processes
Introduction
Sadao Shoji is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of chemical engineering, particularly in the production of unsaturated nitriles. With a total of 3 patents to his name, his work has had a notable impact on industrial processes.
Latest Patents
One of Sadao Shoji's latest patents is a method for producing unsaturated nitrile. This innovative method involves subjecting propane to a vapor-phase catalytic ammoxidation reaction using a fluidized bed reactor. The process utilizes a composite oxide catalyst containing molybdenum, vanadium, and niobium. A key aspect of this method is the addition of a tungsten compound to adjust the molar ratio of tungsten to molybdenum within the reactor, ensuring optimal conditions for the reaction.
Another significant patent by Shoji is a method for stopping the ammoxidation reaction. This invention aims to provide a safe and efficient way to halt the reaction without compromising catalytic activity or acrylonitrile yield. The method includes a supply stopping step, where the supply of propane, an oxygen-containing gas, and ammonia is halted. Following this, an inert gas is supplied to the reactor to reduce the catalyst temperature effectively.
Career Highlights
Sadao Shoji has worked with notable companies in the chemical industry, including Asahi Kasei Chemicals Corporation and Asahi Kasei Kabushiki Kaisha. His experience in these organizations has allowed him to develop and refine his innovative methods in chemical production.
Collaborations
Throughout his career, Sadao Shoji has collaborated with talented individuals such as Sho Tamura and Satoru Komada. These partnerships have contributed to the advancement of his research and the successful development of his patents.
Conclusion
Sadao Shoji is a distinguished inventor whose work in chemical processes has led to valuable innovations. His patents reflect a commitment to improving industrial methods and enhancing efficiency in chemical production.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile