This inventor holds 3 USPTO granted patents, plus 1 CIPO patent. Top assignee: Fujisawa Pharmaceutical Company, Ltd.. Active years: 2002-2005.
Location History:
- Nagoya, JP (2002)
- Osaka, JP (2003 - 2005)
Company Filing History:
Years Active: 2002-2005
Title: Norihiro Hashimoto: Innovator in High-Molecular Weight Compound Separation
Introduction
Norihiro Hashimoto is a prominent inventor based in Osaka, Japan. He has made significant contributions to the field of chemical engineering, particularly in the separation of high-molecular weight compounds. With a total of 3 patents to his name, Hashimoto's work has garnered attention in both academic and industrial circles.
Latest Patents
One of Hashimoto's latest patents is a method for separating lactone-containing high-molecular weight compounds. This innovative method involves subjecting a mixture of a lactone-containing high-molecular weight compound, which has a side-chain of at least one lower alkenyl group or lower alkoxy group, to a two-step process. The first step involves adsorbing the mixture to a nonionic adsorption resin and eluting it with an aqueous solvent containing silver ions. The second step consists of adsorbing the mixture to basic active alumina and eluting it with an organic solvent to effectively separate each of the compounds.
Career Highlights
Norihiro Hashimoto is currently employed at Fujisawa Pharmaceutical Company, Ltd. His work at this esteemed organization has allowed him to further develop his innovative ideas and contribute to advancements in pharmaceutical chemistry.
Collaborations
Throughout his career, Hashimoto has collaborated with notable colleagues, including Keiji Honda and Hiroshi Hatanaka. These partnerships have fostered a creative environment that has led to the development of groundbreaking methods in their field.
Conclusion
Norihiro Hashimoto's contributions to the separation of high-molecular weight compounds highlight his innovative spirit and dedication to advancing chemical engineering. His patents and collaborations reflect a commitment to excellence in research and development.