Location History:
- Kawasaki, JP (1980 - 1984)
- Chigasaki, JP (1983 - 1985)
- Kitakyushu, JP (1985)
Company Filing History:
Years Active: 1980-1985
Title: Kuniaki Kumamaru: Innovator in Semiconductor Technology
Introduction
Kuniaki Kumamaru is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of five patents. His innovative work has advanced the development of semiconductor devices, showcasing his expertise and dedication to the industry.
Latest Patents
Kumamaru's latest patents include a semiconductor device with a multi-layered structure. This device comprises a substrate means, a semiconductor layer of an N conductivity type formed on the substrate means, a first semiconductor region of a P conductivity type formed in the semiconductor layer, and a second semiconductor region of the N conductivity type formed in the first semiconductor region. Additionally, it features a first insulation layer means with a positive polarity type of charge and a second insulation layer means with a negative polarity type of charge. Another notable patent is a method of making integrated devices having long and short minority carrier lifetimes. This process allows for the selective change of minority carrier lifetime in a semiconductor device through the use of a radiation beam and selective ion implantation.
Career Highlights
Kuniaki Kumamaru is associated with Tokyo Shibaura Denki Kabushiki Kaisha, a company known for its advancements in electrical and electronic equipment. His work at this organization has been instrumental in pushing the boundaries of semiconductor technology.
Collaborations
Kumamaru has collaborated with notable colleagues such as Shunichi Hiraki and Toshio Yonezawa. Their combined expertise has contributed to the successful development of innovative semiconductor solutions.
Conclusion
Kuniaki Kumamaru's contributions to semiconductor technology through his patents and collaborations highlight his role as a key innovator in the field. His work continues to influence advancements in the industry, making a lasting impact on 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.