This inventor holds 2 USPTO granted patents. Top assignees: Rengo Co., Ltd., Takeda Chemical Ind., Ltd.. Active years: 1976-1978.
Company Filing History:
Years Active: 1976-1978
Title: Seiichi Igarashi: Innovator in Paperboard Technology
Introduction
Seiichi Igarashi is a notable inventor based in Suita, Japan. He has made significant contributions to the field of paperboard technology, holding a total of 2 patents. His work focuses on enhancing the mechanical properties of paperboard, particularly in wet conditions.
Latest Patents
Igarashi's latest patents include a method for preparing paperboard with improved wet compression strength. This invention involves a process where paperboard is impregnated or coated with a mixture of an unsaturated vinyl ester prepolymer and specific monomers. The method enhances the wet tensile and compression strength of the paperboard. Another significant patent involves a paperboard impregnated with polyurethane resin. This innovation provides excellent mechanical properties, such as compressive strength and tensile strength, even when the paperboard is in a wet state.
Career Highlights
Throughout his career, Igarashi has worked with prominent companies, including Takeda Chemical Industries, Ltd. and Rengo Co., Ltd. His experience in these organizations has contributed to his expertise in developing advanced paperboard technologies.
Collaborations
Igarashi has collaborated with notable professionals in his field, including Kazuo Kimura and Toshio Okada. These collaborations have further enriched his research and development efforts.
Conclusion
Seiichi Igarashi's innovative work in paperboard technology has led to significant advancements in the industry. His patents reflect a commitment to improving the mechanical properties of paperboard, making it more effective in various applications.