This inventor holds 2 USPTO granted patents. Top assignee: Hitachi, Ltd.. Active years: 1978-1979.
Location History:
- Tokyo, JA (1978)
- Tokyo, JP (1979)
Company Filing History:
Years Active: 1978-1979
Title: Seiichi Tachi: Innovator in Combustion Control and Memory Technology
Introduction
Seiichi Tachi is a notable inventor based in Tokyo, Japan. He has made significant contributions to the fields of combustion control systems and memory technology. With a total of 2 patents, Tachi's work reflects his innovative spirit and technical expertise.
Latest Patents
One of Tachi's latest patents is a combustion control system. This system is applicable universally to various types of combustion apparatus that operate with different control timing and fuel types. The combustion control system includes a data selector circuit, a control circuit, and a control timer circuit that utilizes a counter as timing means. The data selector circuit features sections for providing pre-purge timing and ignition timing as required. The control circuit incorporates an R-S flip-flop that is controlled by the pre-purge timing produced by the data selector circuit section.
Another significant patent is a bipolar read-only memory. This invention comprises a matrix circuit that has selection input lines, digit output lines, and Schottky barrier diodes connected between the selection input lines and the digit input lines according to the information contained in the memory. The selection input circuit is of an I²L construction and is electrically associated with the selection input lines, while the digit output circuit is also of an I²L construction and is electrically associated with the digit output lines.
Career Highlights
Seiichi Tachi is currently employed at Hitachi, Ltd., where he continues to innovate and contribute to technological advancements. His work at Hitachi has allowed him to collaborate with other talented engineers and researchers in the field.
Collaborations
Some of Tachi's notable coworkers include Toshio Tanaka and Sumio Nakagawa. Their collaborative efforts have likely contributed to the success of various projects and innovations within the company.
Conclusion
Seiichi Tachi is a distinguished inventor whose work in combustion control systems and memory technology has made a significant impact. His patents demonstrate his commitment to innovation and excellence in engineering.