This inventor holds 6 USPTO granted patents. Top assignee: Oki Electric Industry Co., Ltd.. Active years: 1989-2000.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1989-2000
Title: The Innovations of Tsutomu Katsuyama
Introduction
Tsutomu Katsuyama is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of mobile communication technology, holding a total of six patents. His work focuses on enhancing the efficiency and performance of communication devices.
Latest Patents
One of his latest patents is a high-frequency receiving circuit for mobile communication apparatus. This invention involves a receiving wave that contains a desired signal, which is processed through various filters to ensure optimal performance. The design includes a phase-locked loop circuit that outputs a frequency control voltage, allowing for precise channel selection. Another notable patent is a CDMA transmitter featuring a variable gain circuit. This innovation allows for better control of RF output power, enhancing the overall functionality of the transmitter.
Career Highlights
Tsutomu Katsuyama has dedicated his career to advancing mobile communication technologies. His work at Oki Electric Industry Co., Ltd. has positioned him as a key player in the industry. His inventions have not only improved existing technologies but have also paved the way for future innovations.
Collaborations
Throughout his career, Katsuyama has collaborated with notable colleagues, including Waho O and Tomonori Nagano. These partnerships have contributed to the development of groundbreaking technologies in the field.
Conclusion
Tsutomu Katsuyama's contributions to mobile communication technology are noteworthy and impactful. His innovative patents reflect his commitment to enhancing communication systems. His work continues to influence the industry and inspire future inventors.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile