This inventor holds 8 USPTO granted patents. Top assignees: Hitachi, Ltd., Hitachi Information Control Systems, Inc.. Active years: 1986-1996.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Ibaraki, JP (1991)
- Hitachi, JP (1986 - 1996)
Company Filing History:

Years Active: 1986-1996
Title: The Innovations of Tadashi Okamoto
Introduction
Tadashi Okamoto is a notable inventor based in Hitachi, Japan. He has made significant contributions to the field of technology, holding a total of 8 patents. His work primarily focuses on systems and processes that enhance productivity and efficiency in various applications.
Latest Patents
One of his latest patents is an "Apparatus and method for controlling a system process." This invention utilizes a flowchart language program and ladder programs with an intermediate register that can be accessed using the same name by both programs. Each ladder program defines the operation of a machine, including interlock conditions. The flowchart language program outlines an automatic operation flow that sequentially activates the ladder programs using data from the intermediate register. This innovative arrangement separates the flowchart language program from the ladder programs, thereby improving productivity, serviceability, and security.
Another significant patent is the "Microprogram load unit." This invention comprises a readable and writable microprogram memory within a central processor unit for storing microprograms. It includes a relatively low-speed, readable and writable, nonvolatile memory unit, and a readable and writable memory with battery backup. The system determines whether data in the backup memory has been lost when power is turned on. If no data loss is detected, the microprogram is read from the backup memory. If data loss is present, the microprogram is retrieved from the nonvolatile memory unit.
Career Highlights
Tadashi Okamoto has worked with prominent companies such as Hitachi, Ltd. and Hitachi Information & Control Systems, Inc. His experience in these organizations has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.
Collaborations
Throughout his career, Okamoto has collaborated with notable coworkers, including Hiromasa Yamaoka and Noboru Azusawa. These partnerships have played a crucial role in the development of his inventions and patents.
Conclusion
Tadashi Okamoto's contributions to technology through his patents and innovations have significantly impacted the industry. His work continues to inspire advancements in system processes and microprogramming.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile