Company Filing History:
5 out of 631 
1 out of 59 
Years Active: 2008-2021
Title: Katsuaki Sakamoto: Innovator in Crystal Oscillator Technology
Introduction
Katsuaki Sakamoto is a notable inventor based in Saitama, Japan. He has made significant contributions to the field of crystal oscillator technology, holding a total of 5 patents. His work focuses on improving the performance and manufacturing processes of crystal oscillators, which are essential components in various electronic devices.
Latest Patents
Sakamoto's latest patents include an ultra-low noise crystal oscillator that utilizes two crystal units. This design features an oscillation element within an oscillation circuit section and a crystal filter in a subsequent filter section. The incorporation of a Butler circuit, where capacitors and an inductor are connected in series and then parallel to the oscillator circuit, simplifies the manufacturing process while enhancing quality and noise characteristics. Another significant patent involves a crystal oscillator that improves the temperature characteristics of oscillation frequency. This innovation allows for the omission of temperature characteristic measurement, facilitating manufacturing and reducing production time. In this design, a power voltage is applied to a transistor's collector through a series connection of an inductor and resistance, with a crystal unit arranged in a feedback loop.
Career Highlights
Throughout his career, Katsuaki Sakamoto has worked with prominent organizations, including Nihon Dempa Kogyo Co., Ltd. and Saga University. His experience in these institutions has contributed to his expertise in the field of crystal oscillators.
Collaborations
Sakamoto has collaborated with notable colleagues such as Fumio Asamura and Kenji Kawahata, further enhancing his contributions to the field.
Conclusion
Katsuaki Sakamoto's innovative work in crystal oscillator technology has led to significant advancements in the industry. His patents reflect a commitment to improving manufacturing processes and product performance, making him a key figure in the field.