Location History:
- Iruma, JP (1994)
- Kawasaki, JP (1996 - 2006)
Company Filing History:
7 out of 39,228 
6 out of 180 Years Active: 1994-2006
Title: Haruo Koizumi: Innovator in Power Modules and Display Devices
Introduction
Haruo Koizumi is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the fields of power modules and display devices, holding a total of 13 patents. His innovative work has had a lasting impact on technology and engineering.
Latest Patents
Koizumi's latest patents include a power module that features a power-supply voltage terminal, ground terminal, and multiple switches and amplification circuits. This design allows for efficient control of power supply and voltage management. Another notable patent involves a predrive circuit, drive circuit, and display device that ensures stable transmission of control signals, even under high voltage conditions. This invention includes level shift circuits that adapt to varying reference potentials, enhancing the reliability of output elements.
Career Highlights
Throughout his career, Koizumi has worked with esteemed companies such as Fujitsu Corporation and Fujitsu Hitachi Plasma Display Limited. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking technologies in the industry.
Collaborations
Koizumi has collaborated with notable colleagues, including Makoto Onozawa and Yoshikazu Kanazawa. These partnerships have fostered innovation and creativity in their respective projects.
Conclusion
Haruo Koizumi's contributions to power modules and display devices exemplify his dedication to innovation and technology. His patents reflect a deep understanding of electrical engineering and a commitment to advancing the field.
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.