Company Filing History:
3 out of 42,508 
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1 out of 832,891 Years Active: 1998-2001
Title: Innovations of Hirofumi Zushi
Introduction
Hirofumi Zushi is a notable inventor based in Fussa, Japan. He has made significant contributions to the field of electronics, particularly in the development of sense amplifier circuits. With a total of four patents to his name, Zushi's work has had a considerable impact on the efficiency of electronic devices.
Latest Patents
One of Zushi's latest patents is a sense amplifier circuit designed to reduce the output response time after receiving a small voltage difference. This innovative circuit consists of a latch circuit made up of a pair of CMOS inverters, along with a pair of NMOS transistors connected in parallel to the latch circuit. Additionally, a current source is connected in series to the latch circuit and NMOS transistor pair. The NMOS transistors amplify a small voltage difference of input signals, while the inverters of the latch circuit further amplify the resulting voltage difference to produce the output signals. By utilizing a two-stage amplification process, the delay time of the output response can be significantly reduced.
Career Highlights
Throughout his career, Hirofumi Zushi has worked with prominent companies such as Hitachi, Ltd. and Hitachi ULSI Engineering Corporation. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects in the electronics sector.
Collaborations
Zushi has collaborated with several talented individuals in his field, including Masashige Harada and Tomohiro Nagano. These collaborations have fostered an environment of creativity and innovation, leading to the development of advanced technologies.
Conclusion
Hirofumi Zushi's contributions to the field of electronics, particularly through his sense amplifier circuits, demonstrate his innovative spirit and technical expertise. His work continues to influence the design and efficiency of electronic devices today.