This inventor holds 2 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1997.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Narashino, JP (1997)
- Hunabashishi, JP (1997)
Company Filing History:
Years Active: 1997
Title: Tsutomu Sunaga: Innovator in Programmable Controller Technology
Introduction
Tsutomu Sunaga is a notable inventor based in Narashino, Japan. He has made significant contributions to the field of programmable controllers, holding 2 patents that showcase his innovative approach to technology.
Latest Patents
One of his latest patents is a programming method and apparatus for programmable controllers. This invention involves a sequence program constructed by forming a ladder diagram on a display screen. An element corresponding to a minimum unit of the ladder diagram is arranged by a symbol element and a character element. Inputting and amending operations of the ladder diagram are performed by a first cursor for designating each element and a second cursor for designating the character element of the element designated by the first cursor. Another significant patent is for a programmable controller capable of updating a user program during operation. This controller includes at least a sequence processor and has multiple memories for storing user programs, which can be accessed by the same addresses from the sequence processor. The memories are selectively enabled in response to a mode signal and an access signal from the sequence processor, allowing for seamless switching between user programs without the need to transfer them between memories.
Career Highlights
Tsutomu Sunaga is associated with Hitachi, Ltd., a leading company in technology and innovation. His work at Hitachi has allowed him to develop and refine his inventions, contributing to advancements in programmable controller technology.
Collaborations
He has collaborated with notable coworkers, including Atsushi Itoh and Takayuki Oshiga, who have also contributed to the field of programmable controllers.
Conclusion
Tsutomu Sunaga's innovative work in programmable controller technology has led to significant advancements in the field. His patents reflect a deep understanding of technology and a commitment to improving user experience in programmable systems.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile