Company Filing History:
5 out of 36,771 
1 out of 1 
1 out of 1 Years Active: 1988-1993
Title: Hirofumi Hashimoto: Innovator in Sealing Materials and Paint Application Technologies
Introduction
Hirofumi Hashimoto is a notable inventor based in Toyota, Japan. He has made significant contributions to the field of sealing materials and paint application technologies. With a total of 7 patents to his name, Hashimoto's work has had a considerable impact on various industrial applications.
Latest Patents
One of Hashimoto's latest patents is a process for applying a polyvinyl chloride sealing material. This sealing material includes a polyvinylchloride type resin as a major ingredient, along with a plasticizer, a thixotroping agent, a powdery filler, an adhesive promoter, and a heat stabilizer. It has a viscosity at low shearing speed of 12,000 to 20,000 cps and a viscosity ratio of 1.5 to 2.5. This sealing material is particularly effective for filling gaps between steel plates joined in a non-contact manner. Another notable patent is a throttle device for high viscosity paint, designed to apply back pressure in an airless paint supply system. This device comprises a tube member with an inner through hole and an elongated core member, ensuring efficient paint application.
Career Highlights
Hirofumi Hashimoto has worked with prominent companies, including Toyota Motor Corporation and Ransburg-Gema K.K. His experience in these organizations has allowed him to develop innovative solutions that enhance manufacturing processes and product quality.
Collaborations
Throughout his career, Hashimoto has collaborated with talented individuals such as Sensuke Hayashi and Youichiro Baba. These partnerships have contributed to the advancement of his inventions and the successful implementation of his ideas.
Conclusion
Hirofumi Hashimoto is a distinguished inventor whose work in sealing materials and paint application technologies has made a lasting impact on the industry. His innovative patents and collaborations reflect his commitment to advancing technology and improving manufacturing processes.