Company Filing History:
3 out of 42,485 
1 out of 41 
Years Active: 1993-1998
Title: Masami Kawaguchi: Innovator in Printed Circuit Board Technology
Introduction
Masami Kawaguchi is a notable inventor based in Hadano, Japan, recognized for his contributions to the field of printed circuit board technology. With a total of three patents to his name, Kawaguchi has developed innovative methods that enhance the performance and durability of printed wiring boards.
Latest Patents
Kawaguchi's latest patents include a method of finishing a printed wiring board with a soft etching solution. This invention presents a method that utilizes a soluble chloride added to a soft etching solution. The soluble chloride provides a source of chloride ions that beneficially combine with plated copper to form a protective CuCl layer. This protective layer is designed to prevent overetching of a copper film in a via or through-hole of a printed wiring board. Another significant patent is for a printed circuit board and method and apparatus for making the same. This invention provides a printed circuit board that is high in acid resistance, mechanical strength at high temperature, and bond strength. The technique is characterized by a metallic film having metal particles discretely distributed on a roughened surface of a copper circuit pattern on an oxidized insulating substrate.
Career Highlights
Throughout his career, Masami Kawaguchi has worked with prominent companies such as Hitachi, Ltd. and Hitachi Techno Engineering Co., Ltd. His experience in these organizations has contributed to his expertise in the field of electronics and circuit board technology.
Collaborations
Kawaguchi has collaborated with notable coworkers, including Kiyonori Kogawa and Nobuaki Ooki. These partnerships have likely fostered innovation and development in their respective projects.
Conclusion
Masami Kawaguchi's work in printed circuit board technology showcases his innovative spirit and dedication to advancing the field. His patents reflect significant advancements that enhance the functionality and reliability of electronic components.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.