Location History:
- Kawasaki, JP (2018)
- Nagano, JP (2005 - 2019)
- Azumino, JP (2012 - 2021)
Company Filing History:
21 out of 4,800 
1 out of 152 Years Active: 2005-2021
Title: **Innovative Contributions of Yoshitaka Nishimura**
Introduction
Yoshitaka Nishimura, hailing from Azumino, Japan, is a prominent inventor renowned for his significant contributions to the field of semiconductor technology. With an impressive portfolio of 22 patents, he has actively influenced the development of innovative materials and devices within this domain.
Latest Patents
Among his latest inventions, Nishimura has developed a lead-free solder material for semiconductor devices. This solder has high heat resistance and retains thermal conductive properties even at elevated temperatures. Specifically, it comprises 5.0% to 10.0% by mass of antimony (Sb) and 2.0% to 4.0% by mass of silver (Ag), with tin (Sn) and inevitable impurities making up the remainder. Additionally, a bonding layer created with this solder connects semiconductor elements to substrate electrodes or lead frames.
Another notable invention is his wire bonding apparatus designed for the electrical connection between electrodes and aluminum alloy wires. This apparatus features a wire feeding device that handles wires with diameters between 500 µm and 600 µm. It includes a heating device to ensure the wire is heated to temperatures between 50°C and 100°C, a pressure device to apply pressure to the wire against the electrode, and an ultrasonic wave generating device that creates vibrations to enhance the bonding process.
Career Highlights
Throughout his impressive career, Nishimura has worked with reputable companies, including Fuji Electric Co., Ltd. and Fuji Electric Device Technology Co., Ltd. His contributions have not only advanced the technological landscape but have also influenced product development in various sectors.
Collaborations
Nishimura has collaborated with several talented individuals in the industry, including coworkers Fumihiko Momose and Eiji Mochizuki. These collaborations have helped foster innovative ideas and solutions, further enhancing the impact of his work in semiconductor technology.
Conclusion
Yoshitaka Nishimura's continuous pursuit of innovation and technological advancement is evident through his numerous patents and professional achievements. His dedication to enhancing semiconductor materials and devices significantly contributes to the ongoing evolution of electronics in our daily lives.
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.