Company Filing History:
1 out of 3 
1 out of 832,912 Years Active: 2002-2004
Title: Hisashi Komiya: Innovator in Pb-Free Soldering Alloys
Introduction
Hisashi Komiya is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of soldering technology, particularly with his innovations in Pb-free soldering alloys. With a total of 2 patents, his work focuses on enhancing the mechanical strength of soldered joints while addressing environmental concerns.
Latest Patents
Hisashi Komiya's latest patents include a Pb-free soldering alloy designed to prevent the combination of copper (Cu) present in printed circuit boards with nickel (Ni) in the soldering alloy. This innovation helps to suppress the generation of fine cracks at the soldered part and increases the mechanical strength of the soldered joint. The alloy contains 3.5 to 6.0 wt. % silver (Ag), 0.001 to 1.0 wt. % nickel (Ni), and tin (Sn) as the balance. Another patent proposes a Pb-free soldering alloy that also aims to prevent environmental contamination by lead (Pb) when the soldered product is disposed of. This alloy is characterized by containing 0.05 to 2.0 wt. % copper (Cu), 0.001 to 2.0 wt. % nickel (Ni), and tin (Sn) as the balance.
Career Highlights
Throughout his career, Hisashi Komiya has worked with various companies, including Tokyo First Trading Company. His expertise in soldering technology has positioned him as a key figure in the development of environmentally friendly soldering solutions.
Collaborations
Hisashi has collaborated with notable individuals in his field, including Tadashi Sawamura and Tsuguo Inazawa. These collaborations have contributed to the advancement of soldering technology and the development of innovative solutions.
Conclusion
Hisashi Komiya's contributions to the field of soldering alloys reflect his commitment to innovation and environmental sustainability. His work continues to influence the industry and pave the way for future advancements in soldering technology.