Chung Chien San

Title: Innovations of Chung Chien San

Introduction

Chung Chien San is a notable inventor based in Kyoto, Japan. He has made significant contributions to the field of semiconductor technology, holding a total of 4 patents. His work has advanced the development of integrated circuits and recording/reproducing apparatuses.

Latest Patents

One of his latest patents is for a semiconductor integrated circuit device. This device features a land formed on a semiconductor substrate, which includes multiple resistor layers made from semiconductor layers of a conductive type that is opposite to that of the land. Two of these resistor layers are connected in series between a supply voltage and a reference potential. The land of the reference potential side resistor layer is formed separately from the lands of the other resistor layers, allowing for a lower voltage to be applied to it compared to the other layers.

Another significant patent involves a recording/reproducing circuit and apparatus. This invention includes a recording amplifier that outputs a recording signal and a differential amplifier with a pair of transistors. The circuit is designed to stop the outputting of the recording signal from the differential amplifier by cutting the current of the current source.

Career Highlights

Chung Chien San is currently employed at Rohm Co., Ltd., where he continues to innovate in the semiconductor industry. His work has been instrumental in enhancing the performance and efficiency of electronic devices.

Collaborations

He has collaborated with notable coworkers such as Kei Nishioka and Masato Kobayashi, contributing to various projects that have furthered their collective expertise in semiconductor technology.

Conclusion

Chung Chien San's contributions to the field of semiconductor technology are noteworthy, with several patents that reflect his innovative spirit and technical expertise. His work continues to influence advancements in electronic devices and integrated circuits.