This inventor holds 5 USPTO granted patents. Top assignees: Denso Corporation, Nippondenso Co., Ltd., Tokyo Aircraft Instrument Co., Ltd.. Active years: 1984-2009.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Location History:
- Oakazaki, JP (2002)
- Okazaki, JP (1984 - 2009)
Company Filing History:

Years Active: 1984-2009
Title: Seigi Toiyama: Innovator in Flow Measurement Technology
Introduction
Seigi Toiyama is a notable inventor based in Okazaki, Japan, recognized for his contributions to flow measurement technology. With a total of five patents to his name, Toiyama has made significant advancements in the field, particularly in the design and functionality of measuring devices used in fluid dynamics.
Latest Patents
Among his latest patents is a flow amount measuring device and method, which features a measuring body positioned in a fluid path between a pump and a fuel injection valve. This innovative device divides the inner space of the measuring body into two fluid chambers, allowing for precise measurement of the flow amount. A movable member, or float, is incorporated to detect the movement corresponding to the amount of injected fluid, enhancing the accuracy of fuel injection systems. Another significant patent is the dynamic flow rate adjusting method for injectors. This method involves adjusting the press-fitting degree of an adjusting pipe to regulate the load on a needle, thereby optimizing the dynamic injection quantity of an injector. By applying a specific injection command signal, the method allows for the calculation of the press-fitting degree, ensuring that variations in dynamic flow rates are accurately measured.
Career Highlights
Seigi Toiyama has had a distinguished career, working with prominent companies such as Denso Corporation and Tokyo Aircraft Instrument Co., Ltd. His experience in these organizations has contributed to his expertise in fluid measurement technologies and has facilitated the development of his innovative patents.
Collaborations
Throughout his career, Toiyama has collaborated with notable colleagues, including Koji Mizukusa and Yoshihisa Niimi. These partnerships have likely fostered an environment of innovation and creativity, leading to the successful development of his patented technologies.
Conclusion
Seigi Toiyama's contributions to flow measurement technology exemplify the impact of innovative thinking in engineering. His patents not only enhance the efficiency of fuel injection systems but also reflect his dedication to advancing the field of fluid dynamics.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile