Shizuoka, Japan

Kanji Shirai

This inventor holds 1 USPTO granted patent. Top assignee: Toshiba Machine Co., Ltd.. Active years: 1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kanji Shirai. Retrieved from https://idiyas.com/inventor/kanji-shirai-7hw31lxt

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

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 43(Granted Patents)


Company Filing History:


Years Active: 1991

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1 patent (USPTO):Explore Patents

Title: Kanji Shirai: Innovator in Injection Molding Technology

Introduction

Kanji Shirai is a notable inventor based in Shizuoka, Japan. He has made significant contributions to the field of injection molding technology. His innovative approach has led to the development of a fully automatic operation system for injection molding machines.

Latest Patents

Kanji Shirai holds 1 patent for his invention titled "Fully automatic operation system for injection molding machines." This system is designed to facilitate smooth and automatic operations, including the purge and start-up processes. It ensures that the production of completely molded products begins only after the barrel, mold, and hydraulic fluid reach their optimal temperatures. Additionally, the system is equipped to automatically stop the molding operation in case of continuous production of incomplete molded products or any abnormal conditions in the machine. It can also restart the operation automatically after a stop.

Career Highlights

Kanji Shirai is associated with Toshiba Machine Co., Ltd., where he has been instrumental in advancing injection molding technologies. His work has significantly improved the efficiency and reliability of molding operations.

Collaborations

Kanji Shirai has collaborated with notable coworkers, including Hideo Tanaka and Hideo Banzai. Their combined expertise has contributed to the success of various projects within the company.

Conclusion

Kanji Shirai's innovative contributions to injection molding technology exemplify the impact of dedicated inventors in the manufacturing industry. His fully automatic operation system represents a significant advancement in the field, enhancing production efficiency and reliability.

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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