Company Filing History:
3 out of 42,508 
3 out of 87 
1 out of 832,880 Years Active: 1998-2001
Title: Haruko Kawachino: Innovator in Sense Amplifier Technology
Introduction
Haruko Kawachino is a prominent inventor based in Urawa, Japan. She has made significant contributions to the field of electronics, particularly in the development of sense amplifier circuits. With a total of four patents to her name, Kawachino's work has had a notable impact on the efficiency and performance of electronic devices.
Latest Patents
One of her 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
Kawachino has worked with notable companies such as Hitachi, Ltd. and Hitachi ULSI Engineering Corporation. Her experience in these organizations has allowed her to refine her skills and contribute to groundbreaking advancements in electronic technology.
Collaborations
Throughout her career, Kawachino has collaborated with esteemed colleagues, including Masashige Harada and Tomohiro Nagano. These partnerships have fostered an environment of innovation and creativity, leading to the development of her patented technologies.
Conclusion
Haruko Kawachino's contributions to the field of sense amplifier technology exemplify her dedication to innovation and excellence. Her work continues to influence the electronics industry, paving the way for future advancements.