Company Filing History:
2 out of 1,100 
1 out of 1,887 
1 out of 122 Years Active: 1987-2013
Title: The Innovations of Riichi Tsuno
Introduction
Riichi Tsuno is a notable inventor based in Shimonoseki, Japan. He has made significant contributions to the field of conductive materials, holding a total of 4 patents. His work focuses on enhancing the efficiency and effectiveness of conductive materials used in various applications.
Latest Patents
One of Tsuno's latest patents is for a conductive material designed for connecting parts. This innovative material comprises a base material made up of a copper (Cu) strip, with a Cu-Sn alloy covering layer formed over its surface. The alloy contains copper in a range of 20 to 70 atomic percent and has an average thickness between 0.1 to 3.0 micrometers. Additionally, an Sn covering layer is formed over the Cu-Sn alloy, with an average thickness ranging from 0.2 to 5.0 micrometers. The design ensures that portions of the Cu-Sn alloy are exposed on the surface of the Sn layer, with a specific ratio of exposed area to surface area, ranging from 3 to 75 percent.
Career Highlights
Throughout his career, Riichi Tsuno has worked with prominent companies such as Kabushiki Kaisha Kobe Seiko Sho and Kobe Steel, Ltd. His experience in these organizations has allowed him to develop and refine his innovative ideas in conductive materials.
Collaborations
Some of Tsuno's notable coworkers include Motohisa Miyafuji and Motohiko Suzuki. Their collaboration has contributed to the advancement of technology in the field of conductive materials.
Conclusion
Riichi Tsuno's work in the development of conductive materials showcases his innovative spirit and dedication to improving technology. His patents reflect a commitment to enhancing the efficiency of materials used in various applications.