Company Filing History:
4 out of 21,351 
2 out of 15,844 
Years Active: 2003-2012
Title: The Innovations of Shigeo Tooi: A Pioneering Inventor in Semiconductor Devices
Introduction: Shigeo Tooi is a notable inventor based in Tokyo, Japan, renowned for his contributions to the field of semiconductor technology. With a remarkable portfolio of six patents, Tooi has consistently advanced the capabilities and efficiency of power devices, establishing himself as an influential figure in the industry.
Latest Patents: Among Shigeo Tooi’s recent innovations is a power device that incorporates a sophisticated design involving multiple regions within a semiconductor substrate. This invention features a conductive type semiconductor substrate alongside a series of base and collector regions, enhancing the device's efficiency and performance. Additionally, he has developed a semiconductor device boasting an improved structure designed for high withstand voltage. This device incorporates guard rings formed from diffusion layers, providing enhanced durability and reliability in semiconductor applications.
Career Highlights: Throughout his career, Shigeo Tooi has worked with prestigious companies, including Mitsubishi Denki and Mitsubishi Electric Corporation. His experience in these leading organizations has significantly enriched his expertise in semiconductor technology, allowing him to create cutting-edge solutions that meet the needs of modern electronics.
Collaborations: Shigeo Tooi has collaborated with talented individuals such as Masayoshi Hirao and Katsumi Satou. These partnerships have fostered an environment of innovation and creativity, resulting in advancements that push the boundaries of current semiconductor technologies.
Conclusion: Shigeo Tooi's contributions to the field of semiconductor devices through his inventions and collaborations highlight his role as an influential inventor. With a focus on improving power device structures and enhancing performance, Tooi continues to leave a lasting impact on the industry, paving the way for future innovations in semiconductor 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.