This inventor holds 4 USPTO granted patents. Top assignees: Hitachi Process Computer Engineering, Inc., Hitachi, Ltd., 501 Hitachi, Ltd.. Active years: 1989-1998.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
3 out of 23 
3 out of 42,731 
1 out of 4 Years Active: 1989-1998
Title: The Innovations of Toshihiko Uchiyama
Introduction
Toshihiko Uchiyama is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of communication systems, holding a total of four patents. His work focuses on improving the efficiency and reliability of data transmission methods.
Latest Patents
One of his latest patents is a "Method of locating fault of communication system." This invention provides a plurality of different fault locating functions within a communication system that comprises multiple terminals connected to a data transmission channel. The functions operate at various levels, ranging from rapid fault location to more reliable and deliberate fault location. Upon detecting a fault, the system performs one fault locating function. If the fault is not accurately located, another function of a more reliable level is executed. This sequential approach allows for quick identification of easily locatable faults while ensuring accurate location of more complex issues. Additionally, he developed a "Data transmission method and system thereof," which is a token passing type system capable of periodically transmitting cyclic data while enabling high-efficiency packet data communication. The system ensures that the token circulation time is shorter than the cycle time for data production, allowing for efficient data transmission without disrupting the periodicity of communication.
Career Highlights
Toshihiko Uchiyama has worked with prominent companies such as Hitachi, Ltd. and Hitachi Process Computer Engineering, Inc. His experience in these organizations has contributed to his expertise in communication technologies and data transmission systems.
Collaborations
He has collaborated with notable coworkers, including Ken Onuki and Hisayuki Maruyama, who have also contributed to advancements in the field.
Conclusion
Toshihiko Uchiyama's innovative patents and career achievements highlight his significant role in enhancing communication systems. His work continues to influence the efficiency and reliability of data transmission technologies.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile