Location History:
- Osaka, JP (1991)
- Hirakata, JP (1990 - 1992)
- Katano, JP (1992 - 2002)
Company Filing History:
15 out of 27,375 
1 out of 25 Years Active: 1990-2002
Title: The Innovative Contributions of Tetsuo Fukushima
Introduction
Tetsuo Fukushima, hailing from Katano, Japan, has established himself as a notable inventor with a commendable portfolio of 16 patents. His innovative work primarily focuses on materials used in electronics, specifically in the field of soldering, vital for the assembly of electronic components.
Latest Patents
Fukushima's latest patents include a unique solder and solder paste designed to effectively solder electronic parts to circuit boards. This innovative solder consists of 2.0 to 3.5 wt % of silver (Ag), 5 to 18 wt % of bismuth (Bi), with tin (Sn) making up the remainder. Additionally, he explores compositions that incorporate elements such as indium (In), copper (Cu), and zinc (Zn) to enhance the performance of the solder. Another significant patent involves a lead-free soldering alloy, primarily composed of tin and enriched with small quantities of silver for improved thermal fatigue resistance, bismuth for lowered melting points, and copper to control intermetallic growth at the bonding interface. The incorporation of indium further enhances the alloy's elongation properties and resilience.
Career Highlights
Fukushima has had a distinguished career, including significant tenures at Matsushita Electric Industrial Co., Ltd., now known as Panasonic Corporation, where he leveraged his expertise in soldering materials to advance electronic assembly technologies.
Collaborations
Throughout his career, Tetsuo Fukushima has collaborated with esteemed colleagues such as Kenichiro Suetsugu and Junji Ikeda. Their combined efforts have played a crucial role in the development of innovative solder materials that meet the evolving demands of the electronics industry.
Conclusion
Tetsuo Fukushima's contributions to solder technology exemplify the spirit of innovation that drives progress in the electronics sector. Through his patents, he has not only improved the performance and safety of solder materials but has also set a benchmark for future research and development in the field. His work is a testament to the importance of continuous improvement and innovation in technology.
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.