Masami Tsunasawa

Title: Masami Tsunasawa: Innovator in Printing Technology

Introduction

Masami Tsunasawa is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of printing technology, holding 2 patents that showcase his innovative approach to rotary type wheels and serial printing apparatus.

Latest Patents

Tsunasawa's latest patents include a method of making rotary type wheels and a serial printing apparatus. The rotary type wheels feature resilient tongues that project from a central hub, carrying two or more type members. The hub is designed to rotate to position the desired type member in a printing position facing a paper supporting platen. A drive motor connected to the hub by a universal joint compensates for the shifting of the hub, ensuring precision in printing. The resilient tongues are crafted from a thermoplastic resin mixed with glass or carbon fibers, enhancing durability and performance.

The serial printing apparatus operates similarly, utilizing the same innovative design principles to achieve efficient and accurate printing. The unique design allows for all type members to strike the paper perpendicularly, ensuring high-quality prints.

Career Highlights

Masami Tsunasawa is currently associated with Ricoh Company, Ltd., a leading firm in imaging and electronics. His work at Ricoh has allowed him to further develop his inventions and contribute to advancements in printing technology.

Collaborations

Tsunasawa has collaborated with notable coworkers, including Takami Suzuki and Nobuo Iwata. Their combined expertise has fostered a creative environment that encourages innovation and the development of cutting-edge technologies.

Conclusion

Masami Tsunasawa's contributions to printing technology through his patents and work at Ricoh Company, Ltd. highlight his role as a significant innovator in the field. His inventions continue to influence the way printing is approached, ensuring high-quality results in various applications.