Location History:
- Tokyo, JP (1991)
- Hamura, JP (1991 - 1994)
Company Filing History:
Years Active: 1991-1994
Title: Hiromasa Katoh: Innovator in Semiconductor Technology
Introduction
Hiromasa Katoh is a prominent inventor based in Hamura, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 5 patents. His work focuses on enhancing the functionality and efficiency of integrated circuit devices.
Latest Patents
One of his latest patents involves a semiconductor integrated circuit device with a plurality of logic. This invention features an input circuit formed by a phase split circuit utilizing a bipolar transistor. The transistor outputs both an inverted and a non-inverted signal. The emitter follower output circuit is driven by the inverted output, while the emitter load is formed by another transistor. This design allows for improved performance by temporarily driving the emitter load transistor conductively through a charging current. Additionally, the logic circuit includes an output portion with an emitter follower output transistor and an active pull-down transistor, which enhances the overall efficiency of the circuit.
Career Highlights
Hiromasa Katoh is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to develop groundbreaking technologies that have impacted the semiconductor industry.
Collaborations
He has collaborated with notable coworkers such as Toshio Yamada and Tohru Kobayashi, contributing to various projects that advance semiconductor technology.
Conclusion
Hiromasa Katoh's innovative work in semiconductor technology continues to influence the industry significantly. His patents reflect a commitment to enhancing electronic devices and improving their performance.