This inventor holds 2 USPTO granted patents and 1 published patent application and 3 EPO patents. Top assignee: Goo Chemical Company, Ltd.. Active years: 2015-2016.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Joyo, JP (2015)
- Kyoto, JP (2016)
Company Filing History:
Years Active: 2015-2016
Title: Hisashi Marusawa: Innovator in Resin Technology
Introduction
Hisashi Marusawa is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of resin technology, particularly in the development of carboxyl-containing resins and resin compositions for solder masks. With a total of two patents to his name, Marusawa's work has had a considerable impact on various applications in the industry.
Latest Patents
Hisashi Marusawa's latest patents include a carboxyl-containing resin and a resin composition for solder masks. The carboxyl-containing resin features a structure that results from the addition of a carboxylic acid to at least one of the epoxy groups of a biphenyl novolac epoxy resin. This innovative resin incorporates a polybasic acid, enhancing its properties. The resin composition for masks is designed to be efficiently formed into a cured product with high resistance to cracks, bulges, and protrusions. This composition consists of a first resin, created through the addition reaction of polybasic acid anhydride with an adduct of an ethylenically unsaturated compound containing a carboxyl group and a bifunctional epoxy resin, and a second resin that includes groups obtained from the addition reaction of epoxy groups with monocarboxylic and polybasic acids.
Career Highlights
Throughout his career, Hisashi Marusawa has worked with prominent organizations such as Goo Chemical Company, Ltd. and Hirosaki University. His experience in these institutions has allowed him to refine his expertise in resin technology and contribute to various innovative projects.
Collaborations
Marusawa has collaborated with notable colleagues, including Michiya Higuchi and Fumito Suzuki. These partnerships have further enriched his work and expanded the scope of his inventions.
Conclusion
Hisashi Marusawa's contributions to resin technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative approaches continue to shape advancements in resin applications.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile