Company Filing History:
2 out of 58 
1 out of 165 Years Active: 2008
Title: Kazumi Kawamura: Innovator in Electroless Gold Plating Solutions
Introduction
Kazumi Kawamura is a notable inventor based in Kitaibaraki, Japan. He has made significant contributions to the field of electroless gold plating, holding a total of 3 patents. His work focuses on developing environmentally friendly and efficient plating solutions.
Latest Patents
Kawamura's latest patents include an innovative electroless gold plating liquid that is cyanide-free and low in toxicity. This liquid can be used near a neutral pH and offers excellent solder adhesion and plating film adhesion. The formulation includes a cyanide-free water-soluble gold compound and a pyrosulfurous acid compound. Additionally, the plating liquid may contain a sulfurous acid compound and an aminocarboxylic acid compound. Another significant invention is a displacement electroless gold plating solution, which also emphasizes low toxicity and neutrality in pH. This solution contains a non-cyanide water-soluble gold compound and a hydrogensulfite compound, with the potential addition of a thiosulfuric acid compound or an aminocarboxylic acid compound.
Career Highlights
Throughout his career, Kawamura has worked with reputable companies such as Nikko Materials Company, Limited and Nippon Mining & Metals Co., Ltd. His experience in these organizations has contributed to his expertise in the field of plating solutions.
Collaborations
Kawamura has collaborated with notable coworkers, including Akihiro Aiba and Yoshiyuki Hisumi. These partnerships have likely enhanced his innovative capabilities and broadened his research horizons.
Conclusion
Kazumi Kawamura's contributions to electroless gold plating solutions reflect his commitment to innovation and environmental safety. His patents demonstrate a forward-thinking approach to plating technology, making him a significant figure in the industry.