Toyohashi, Japan

Keizo Ichii

This inventor holds 1 USPTO granted patent. Top assignees: Mitsubishi Rayon Engineering Co., Ltd., Noritake Co., Ltd.. Active years: 1988.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Keizo Ichii. Retrieved from https://idiyas.com/inventor/keizo-ichii

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 = 22(Granted Patents)


Company Filing History:


Years Active: 1988

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1 patent (USPTO):Explore Patents

Title: Keizo Ichii: Innovator in Extrusion Technology

Introduction

Keizo Ichii is a notable inventor from Toyohashi, Japan, recognized for his contributions to the field of extrusion technology. He holds a patent for a screw type extruding or kneading machine, which showcases his innovative approach to improving machinery performance.

Latest Patents

Ichii's patent, titled "Screw type extruding or kneading machine and screw used therein," focuses on enhancing the durability of the screw and barrel components. The outer periphery of the screw and the inside of the barrel are made of ceramics, which significantly improves their abrasion and heat resistance. This innovation allows the machine to operate effectively for a longer lifespan, even when processing hard materials or materials containing hard components. He has been granted 1 patent for this invention.

Career Highlights

Throughout his career, Ichii has worked with prominent companies such as Noritake Co., Ltd. and Mitsubishi Rayon Engineering Co., Ltd. His experience in these organizations has contributed to his expertise in the field of extrusion technology.

Collaborations

Ichii has collaborated with notable coworkers, including Takayuki Yoshikawa and Hiroshi Inada, who have also made significant contributions to the industry.

Conclusion

Keizo Ichii's innovative work in the development of screw type extruding machines has made a lasting impact on the field of machinery. His patent reflects a commitment to enhancing the performance and longevity of industrial equipment.

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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