Company Filing History:
Years Active: 1996-1997
Title: Innovations by Takeshi Koishihara
Introduction
Takeshi Koishihara is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of materials science, particularly in the development of heat-sensitive stencil sheets. With a total of 2 patents to his name, his work showcases innovative approaches to manufacturing processes.
Latest Patents
Koishihara's latest patents focus on a process for producing a heat-sensitive stencil sheet. This invention consists of a porous substrate and a thermoplastic film that is adhered to the substrate without the use of an adhesive. The porous substrate is made from a screen cloth that includes conjugate fibers, which have specific melting points that allow for effective adhesion to the thermoplastic resin film. The process involves superposing the thermoplastic resin film on the substrate and applying heat and pressure at precise temperatures to achieve the desired properties of the stencil sheet.
Career Highlights
Takeshi Koishihara is currently associated with Riso Kagaku Corporation, where he continues to innovate in the field of stencil technology. His work has been instrumental in advancing the capabilities of heat-sensitive materials, making them more efficient and effective for various applications.
Collaborations
Koishihara has collaborated with notable colleagues such as Shoichi Ikejima and Tetsu Yamanaka. Their combined expertise has contributed to the successful development of innovative products within their field.
Conclusion
Takeshi Koishihara's contributions to the field of materials science, particularly through his patents on heat-sensitive stencil sheets, highlight his role as a significant inventor. His work continues to influence the industry and pave the way for future innovations.