Location History:
- Kodaira, JA (1976 - 1978)
- Yamanashi, JP (1988)
Company Filing History:
Years Active: 1976-1988
Title: Innovations of Yoshiyuki Nakagomi
Introduction
Yoshiyuki Nakagomi is a notable inventor based in Kodaira, Japan. He has made significant contributions to the field of technology, particularly in the area of analog circuits and photoresist processes. With a total of 3 patents to his name, Nakagomi continues to push the boundaries of innovation.
Latest Patents
One of his latest patents is a method of applying a resist. This photoresist process involves spin-coating a substrate with a resist, transferring a mask pattern onto the coated resist film, and developing a pattern on the substrate after exposure. Notably, when the developed pattern of the resist pulsates with changes in process parameters, the value of the parameter is adjusted to correspond with the extreme value of the pulsation.
Another significant patent is an analog operation circuit using a multi-collector lateral transistor. This circuit utilizes a lateral transistor element with an emitter region and a base region surrounding it. The design includes a first collector region adjacent to the emitter and a second collector region surrounding the first. The circuit features input means for applying signals to the transistor's base and first collector, along with an output derived from the second collector. This innovative circuit structure allows for an analog operation function while minimizing the number of circuit elements.
Career Highlights
Yoshiyuki Nakagomi is currently employed at Hitachi, Ltd., where he continues to develop and refine his inventions. His work has had a lasting impact on the technology sector, particularly in the fields of electronics and materials science.
Collaborations
Throughout his career, Nakagomi has collaborated with esteemed colleagues such as Tetsuo Ito and Masaya Tanuma. These partnerships have fostered a creative environment that has led to groundbreaking advancements in their respective fields.
Conclusion
Yoshiyuki Nakagomi's contributions to technology through his patents and collaborations highlight his role as a significant inventor. His innovative approaches to photoresist processes and analog circuits continue to influence the industry.