Nagano, Japan

Yoshito Aruga

This inventor holds 2 USPTO granted patents. Top assignee: Nissei Plastic Industrial Co., Ltd.. Active years: 2006-2009.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshito Aruga. Retrieved from https://idiyas.com/inventor/yoshito-aruga

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 = 2.4

ph-index = 2

Forward Citations = 4(Granted Patents)


Location History:

  • Nagano, JP (2006)
  • Nagano-ken, JP (2009)

Company Filing History:


Years Active: 2006-2009

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2 patents (USPTO):Explore Patents

Title: Innovations of Yoshito Aruga

Introduction

Yoshito Aruga is a notable inventor based in Nagano, 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 safety of injection molding processes.

Latest Patents

One of his latest patents is a method for preventing backflow of resin in injection apparatus. This innovation addresses the issue of resin leakage by controlling the screw forward movement speed during injection filling. By closing a ring valve, the backflow is prevented without relying on reverse rotation of the screw. The injection filling speed and valve closing operation speed are synchronized with the screw's forward movement speed, ensuring effective operation.

Another significant patent is a mold-clamping control method for injection molding machines. This method involves detecting the value of a monitor item within a predetermined monitor region during the mold clamping step. If the detected value exceeds a threshold, emergency processing is initiated. The system is designed to handle anomalous states by adjusting the mold opening velocity, ensuring safety and efficiency during operation.

Career Highlights

Yoshito Aruga is currently employed at Nissei Plastic Industrial Co., Ltd., a company renowned for its advancements in plastic injection molding technology. His work at Nissei has allowed him to apply his innovative ideas in a practical setting, contributing to the company's reputation for quality and innovation.

Collaborations

Throughout his career, Yoshito has collaborated with talented individuals such as Fumio Shiozawa and Takashi Hakoda. These collaborations have fostered a creative environment that encourages the development of groundbreaking technologies in the field of injection molding.

Conclusion

Yoshito Aruga's contributions to injection molding technology through his patents and collaborations highlight his role as an influential inventor. His innovative methods continue to enhance the efficiency and safety of manufacturing processes in the industry.

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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