Nagaoka, Japan

Sumio Sato

This inventor holds 2 USPTO granted patents. Top assignees: Sankyo Kasei Kabushiki Kaisha, Niigata Engineering Co., Ltd.. Active years: 1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sumio Sato. Retrieved from https://idiyas.com/inventor/sumio-sato-45mxlf6i

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile


% Patents Active = 100.0

Average Co-Inventor Count = 4.8

ph-index = 2

Forward Citations = 27(Granted Patents)


Company Filing History:


Years Active: 1996

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2 patents (USPTO):Explore Patents

Title: The Innovations of Sumio Sato

Introduction

Sumio Sato is a notable inventor based in Nagaoka, Japan. He has made significant contributions to the field of injection molding technology. With a total of 2 patents, his work focuses on improving the efficiency and effectiveness of synthetic resin formation.

Latest Patents

One of his latest patents is an "Apparatus for forming synthetic resins." This invention features an improved injection molding apparatus that includes a fixed mold and a movable second mold. The design allows for the automatic removal of residual hardened resin left in the molten resin passages after each injection operation. The device incorporates a reciprocating member that facilitates the communication between the mold cavity and the resin injection device during the injection step. After the injection is complete, the reciprocating member moves back to eliminate any leftover resin, effectively preventing leaks and air inclusion in the molded products.

Another significant patent is the "Gate-cut and ejection control apparatus and control method for an injection molding machine." This invention optimizes the operation of an ejector that performs gate cutting and product ejection at optimal speeds. The control unit allows for separate speed settings for gate cutting and product ejection, ensuring that no gate trace remains and that no cracks form in the final product.

Career Highlights

Throughout his career, Sumio Sato has worked with prominent companies such as Sankyo Kasei and Niigata Engineering Co., Ltd. His experience in these organizations has contributed to his expertise in injection molding technology.

Collaborations

Sumio Sato has collaborated with notable individuals in his field, including Yukio Yoshizawa and Masakazu Ohno. Their collective efforts have further advanced the innovations in injection molding processes.

Conclusion

Sumio Sato's contributions to the field of injection molding technology are significant and impactful. His patents reflect a commitment to improving manufacturing processes and product quality. Through his work, he continues to influence the industry and inspire future innovations.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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