Tokyo, Japan

Seiji Mishima

This inventor holds 1 USPTO granted patent. Top assignee: Seikosha Co., Ltd.. Active years: 1993.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Seiji Mishima. Retrieved from https://idiyas.com/inventor/seiji-mishima-sohg2tuq

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 = 6.0

ph-index = 1

Forward Citations = 18(Granted Patents)


Company Filing History:


Years Active: 1993

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1 patent (USPTO):Explore Patents

Title: Seiji Mishima: Innovator in Injection Molding Technology

Introduction

Seiji Mishima is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of injection molding technology. His innovative approach has led to the development of a unique patent that enhances the efficiency of injection molding machines.

Latest Patents

Mishima holds a patent for an "Automatic Sub-Mold Changer." This invention is designed for use in injection molding machines that utilize a pair of molds. The automatic sub-mold changer features a sub-mold stock device that can store multiple sub-molds. This device is strategically positioned away from the molds on the injection molding machine. An arm device, equipped with chucks for detachable sub-molds, can move between the stock device and the molds, facilitating a seamless operation.

Career Highlights

Throughout his career, Seiji Mishima has been associated with Seikosha Co., Ltd., where he has furthered his research and development efforts. His work has been instrumental in advancing the capabilities of injection molding technology. Mishima's dedication to innovation has positioned him as a key figure in his field.

Collaborations

Mishima has collaborated with talented individuals such as Koichi Kobayashi and Kenji Kamio. These partnerships have fostered a creative environment that encourages the exchange of ideas and expertise.

Conclusion

Seiji Mishima's contributions to injection molding technology through his patent for an automatic sub-mold changer exemplify his innovative spirit. His work continues to influence the industry and inspire future advancements.

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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