Location History:
- Sendai, JP (1992)
- Tokyo, JP (2002)
Company Filing History:
Years Active: 1992-2002
Title: Sunao Takahashi: Innovator in Telecommunications
Introduction
Sunao Takahashi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of telecommunications, particularly in the development of portable telephone relay devices. With a total of 2 patents, his work has had a lasting impact on the industry.
Latest Patents
One of his latest patents is the Time Divisional Duplex (TDD) System Portable Telephone Relay Device. This invention is designed for use with a radio base station and a portable telephone terminal within a terminal building. The device includes first and second distributors, a synthesizer, a relatively small internal base station section, a position detecting unit, a synchronous receive section, and an exclusive telephone line connecting unit. This structure allows for transmission and reception using a frequency channel that is different from those assigned to the radio zone where the terminal building exists. The predetermined-size base station section operates based on a synchronous signal from the synchronous receive section.
Another significant patent is the Temperature Compensated Level Detector. This device features a voltage multiplying rectifier that rectifies and smooths a high-frequency input voltage to produce a DC output. Additionally, it includes a bias voltage generator that provides a forward bias voltage and has a temperature compensating function.
Career Highlights
Throughout his career, Sunao Takahashi has worked with prominent companies such as Kokusai Electric Co., Ltd. and Hitachi Astemo Ltd. His experience in these organizations has contributed to his expertise in telecommunications and innovation.
Collaborations
Some of his notable coworkers include Mikio Takano and Satoshi Usui. Their collaboration has likely fostered an environment of creativity and innovation in their respective projects.
Conclusion
Sunao Takahashi's contributions to telecommunications through his patents and career achievements highlight his role as an influential inventor. His work continues to shape the future of portable communication technologies.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.