Location History:
- Hitachi, JP (1995 - 2006)
- Hitachinaka, JP (2002 - 2015)
Company Filing History:
16 out of 42,485 
3 out of 8 
1 out of 9 Years Active: 1995-2015
Title: The Innovations of Yoshihiko Koike
Introduction
Yoshihiko Koike, based in Hitachinaka, Japan, is a prominent inventor known for his significant contributions to the field of power semiconductor technology. With a remarkable portfolio encompassing 19 patents, Koike has demonstrated a consistent commitment to innovation and excellence in engineering.
Latest Patents
Koike's latest patents showcase his ingenuity and technical prowess. One notable invention is the 'Power Semiconductor Module,' which features a design where the main electrodes of semiconductor switching elements, such as IGBTs, are electrically connected through conductor members mounted on multiple insulating boards. This innovative configuration effectively suppresses the occurrence of resonant voltage due to the junction capacity and parasitic inductance of each element.
Another significant patent is the 'Power Semiconductor Module and Fabrication Method Thereof.' This patent introduces an elastic printed board designed to absorb stress from silicon gel applications. The printed board's narrow formation allows stress to escape, enhancing the module's durability. Additionally, the high-voltage wires are patterned on the respective printed boards, preventing discharge through the surface and ensuring a hermetic seal against moisture intrusion, contamination, and structural damage.
Career Highlights
Throughout his career, Koike has been associated with esteemed organizations such as Hitachi, Ltd. and Hitachi Haramachi Electronics Co., Ltd. His extensive experience in these companies has greatly influenced his innovative career and has facilitated the development of numerous patents that contribute to advancements in electronic technology.
Collaborations
Koike's journey has also been enriched by his collaborations with professionals in the field. Notable coworkers, such as Ryuichi Saito and Shigeki Sekine, have worked alongside Koike, contributing to a collaborative environment that fosters creative innovation and development.
Conclusion
Yoshihiko Koike's dedication to advancing power semiconductor technology through his patents reflects his innovative spirit and expertise. His contributions not only enhance the efficiency of electronic systems but also pave the way for future developments in the industry. With each invention, Koike continues to impact the world of technology, inspiring fellow inventors and engineers alike.
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.