This inventor holds 10 USPTO granted patents. Top assignee: Canon Kabushiki Kaisha. Active years: 1988-1993.
Location History:
- Kawasaki, JP (1988 - 1992)
- Tachikawa, JP (1993)
Company Filing History:
Years Active: 1988-1993
Title: Innovations of Koichi Tohma in Thermal Transfer Technology
Introduction
Koichi Tohma is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of thermal transfer technology, holding a total of 10 patents. His work focuses on developing advanced materials and methods that enhance the efficiency and effectiveness of thermal transfer processes.
Latest Patents
Tohma's latest patents include innovative thermal transfer materials and recording methods. One notable patent describes a thermal transfer material that consists of a support and multiple ink layers. The first ink layer predominantly comprises a water-soluble polyester resin, while the second layer is designed to separate from the first upon heating. The third and fourth layers are primarily made of thermoplastic resin. This design aims to improve the quality and versatility of thermal transfer applications.
Another significant patent introduces a 'self-correctable' thermal transfer material. This invention allows for the removal of recorded images through a lift-off correction method. The thermal transfer material includes a support and three ink layers, with the first layer being substantially non-transferable. The second layer separates from the first when heated, while the third layer contains a thermoplastic resin and a colorant. This innovation enhances the usability of thermal transfer materials in various applications.
Career Highlights
Koichi Tohma is associated with Canon Kabushiki Kaisha, a leading company in imaging and printing technology. His work at Canon has allowed him to push the boundaries of thermal transfer technology, contributing to the development of products that meet the evolving needs of consumers and industries alike.
Collaborations
Throughout his career, Tohma has collaborated with notable colleagues, including Naoki Kushida and Yasuyuki Tamura. These collaborations have fostered a creative environment that has led to the development of groundbreaking technologies in the field.
Conclusion
Koichi Tohma's contributions to thermal transfer technology exemplify the innovative spirit of modern inventors. His patents reflect a commitment to enhancing the functionality and efficiency of thermal transfer materials, making a lasting impact on the industry.