This inventor holds 2 USPTO granted patents. Top assignee: Dai-Ichi Kogyo Seiyaku Co., Ltd.. Active years: 1986-1993.
Company Filing History:
Years Active: 1986-1993
Title: Innovations by Hidehiro Uchikata
Introduction
Hidehiro Uchikata is a notable inventor based in Kameoka, Japan. He has made significant contributions to the field of polyurethane compositions, holding 2 patents that showcase his innovative approach to materials science.
Latest Patents
One of Uchikata's latest patents is a hydrophilic urethane prepolymer composition. This composition is useful as a sealant and comprises a reaction product of an organic polyisocyanate and a polyether polyol mixture at an NCO/OH equivalent ratio ranging from 1.6 to 2.5. The polyether polyol mixture includes a polyoxyalkylenediol with an average molecular weight from 400 to 1,000 and an oxyethylene unit content greater than 50% by weight, along with a polyoxyalkylenetriol having an average molecular weight from 5,000 to 10,000. An equivalent composition can be produced by reacting these components separately before mixing.
Another significant patent involves a process for inhibiting corrosion of polyurethane coatings. This anti-corrosive polyurethane coating composition exhibits excellent metal corrosion inhibiting properties, water resistance, and adhesion to metals. It can be applied thickly in one coating operation and contains a polyurethane resin produced by reacting a polyol component with a polyisocyanate component.
Career Highlights
Uchikata is currently employed at Dai-Ichi Kogyo Seiyaku Co., Ltd., where he continues to develop innovative materials. His work focuses on enhancing the properties of polyurethane compositions, making them more effective for various applications.
Collaborations
Throughout his career, Uchikata has collaborated with notable colleagues, including Hirohisa Maki and Takashi Sano. These collaborations have contributed to the advancement of his research and the successful development of his patented technologies.
Conclusion
Hidehiro Uchikata's contributions to the field of polyurethane compositions highlight his innovative spirit and dedication to material science. His patents reflect a commitment to developing solutions that address practical challenges in coatings and sealants.