Company Filing History:
Years Active: 2003-2010
Title: The Innovative Mind of Kouichi Hanada
Introduction: Kouichi Hanada is a distinguished inventor hailing from Kyoto, Japan. With an impressive tally of four patents, he has made significant contributions in the field of operational amplifiers. His inventive spirit continues to shape the future of electronic components.
Latest Patents: Among Kouichi Hanada's notable patents is an advanced operational amplifier design. This operational amplifier incorporates a differential amplifier circuit at its input stage, complemented by an amplifier circuit at the post stage. In the differential amplifier circuit, the first and third bipolar transistors utilized are PNP-type and are connected via a Darlington configuration. The inverting input terminal connects to the base terminal of the first bipolar transistor, creating an input differential pair alongside the second and fourth bipolar transistors. The design also features first and second protection diodes strategically positioned between the base terminals of the bipolar transistors and ground potential, ensuring proper functionality. These diodes are configured such that the cathode terminal is located on the base terminal side of the bipolar transistor, effectively safeguarding the circuitry.
Career Highlights: Kouichi has demonstrated profound expertise throughout his career, particularly at Rohm Co., Ltd., where he has continued to develop cutting-edge innovations. His ability to blend theoretical understanding with practical applications has led to several technological advancements that enhance operational amplifier performance.
Collaborations: Throughout his journey, Kouichi has collaborated with talented colleagues such as Masanori Kayama and Naohiro Nomura. These partnerships have fostered a collaborative environment that promotes creativity and efficiency in innovation and development.
Conclusion: Kouichi Hanada's contributions in the realm of operational amplifiers underscore his impact as an inventor. With a focus on enhancing electronic components, his work continues to inspire future innovations and uphold the legacy of ingenuity in technology.