This inventor holds 1 USPTO granted patent. Top assignee: Hitachi, Ltd.. Active years: 1992.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile
Company Filing History:
Years Active: 1992
Title: Sachio Tomimatsu and His Plunger Pump Invention.
Introduction
Sachio Tomimatsu is an inventor associated with Katsuta, Japan, and Hitachi, Ltd. His recorded patent concerns a plunger pump designed to supply solution through the movement of a plunger within a pump chamber.
Latest Patents
Tomimatsu’s listed patent is titled “Plunger pump.” The invention includes a cleaning chamber sealed around the plunger, along with inlet- and outlet-side conduits that carry cleaning liquid. A mechanism controls the conduits by isolating one from the atmosphere while opening the other to the atmosphere when the conduits contain cleaning liquid. This arrangement makes it possible to observe liquid leakage along the sealing face if the seal degrades or ages. Tomimatsu is credited with 1 patent in the information provided.
Career Highlights
Tomimatsu’s listed work is associated with Hitachi, Ltd. The available information identifies his plunger pump patent but does not provide further details about his roles or career history.
Collaborations
Yoshiaki Yamada and Sadabumi Ohnuma are identified as Tomimatsu’s coworkers. The information provided does not specify their contributions to the patent.
Conclusion
Sachio Tomimatsu’s recorded invention addresses pump operation and seal monitoring through a cleaning-liquid system that can help reveal leakage as a seal wears.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile