Location History:
- Sagamihara, JP (1994)
- Tokyo, JP (1994 - 2002)
Company Filing History:
6 out of 3,542 
1 out of 128 
1 out of 1,100 Years Active: 1994-2002
Title: Hirohiko Izumi: Innovator in Semiconductor Technology
Introduction
Hirohiko Izumi is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 7 patents. His work has been instrumental in advancing the capabilities of semiconductor storage devices.
Latest Patents
Izumi's latest patents include a method of fabricating a semiconductor storage device that features a capacitor. This invention involves the formation of an access transistor with a gate electrode and impurity diffusion layers, structured within a semiconductor substrate. The process includes creating a first insulating film with a contact hole, followed by a protective film and a second insulating film. The memory capacitor is designed with lower and upper electrodes that are capacitive-coupled through a dielectric film. Another notable patent focuses on a semiconductor storage device that includes a short circuit avoiding structure, employing similar techniques to ensure efficient functionality.
Career Highlights
Throughout his career, Hirohiko Izumi has worked with notable companies such as Nippon Steel Corporation and the International Superconductivity Technology Center. His experience in these organizations has allowed him to refine his expertise in semiconductor technologies and contribute to groundbreaking innovations.
Collaborations
Izumi has collaborated with esteemed colleagues, including Hideki Takeuchi and Masatoshi Sakai. These partnerships have fostered a creative environment that has led to the development of advanced semiconductor solutions.
Conclusion
Hirohiko Izumi'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 the development of efficient and advanced semiconductor storage devices.
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.