Company Filing History:
Years Active: 1985-1989
Title: Innovations of Toshihiko Sumitani
Introduction
Toshihiko Sumitani is a notable inventor based in Nara, Japan. He has made significant contributions to the field of electronic calculators, holding a total of 4 patents. His work has advanced the functionality and usability of calculators, making them more efficient for users.
Latest Patents
One of his latest patents is an electronic calculator that features a means for directly inputting variables. This innovative device allows users to input algebraic equations and display variable terms, enabling a more intuitive calculation process. The calculator performs operations based on numeric data that corresponds directly to the displayed variables, enhancing user interaction and accuracy.
Another significant patent is for a compact-size computer, such as a functional calculator or pocket computer, which can select between sequential operation mode and formula memory mode. This design promotes faster and easier key operations, allowing users to execute formula calculations with different operational sequences.
Career Highlights
Throughout his career, Toshihiko Sumitani has worked with prominent companies, including Sharp Kabushiki Kaisha Corporation and Kabushiki Kaisha Sharp. His experience in these organizations has contributed to his expertise in developing innovative electronic devices.
Collaborations
Sumitani has collaborated with notable coworkers, including Akira Natsuhara and Koichi Oda. Their combined efforts have led to advancements in calculator technology and functionality.
Conclusion
Toshihiko Sumitani's contributions to the field of electronic calculators have significantly impacted the way users interact with technology. His innovative patents continue to influence the development of more efficient and user-friendly devices.