Hyogo, Japan

Sumio Okuda

This inventor holds 14 USPTO granted patents and 12 EPO patents, primarily in Water-Absorbent Resin. Top assignee: Nippon Shokubai Co., Ltd.. Active years: 2000-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sumio Okuda. Retrieved from https://idiyas.com/inventor/sumio-okuda

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

Calculating rank

% Patents Active = 92.9

 

Average Co-Inventor Count = 4.2

ph-index = 3

Forward Citations = 34(Granted Patents)


Location History:

  • Himeji, JP (2012 - 2018)
  • Hyogo, JP (2000 - 2019)
  • Ibo-gun, JP (2013 - 2019)

Company Filing History:


Years Active: 2000-2019

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Areas of Expertise:
Water Absorbent Resin
Production Method
Water-Absorbing Composition
Particulate Agent
Hydrophilic Polymer
Sieving Process
Resin Composition
Resin Powder
14 patents (USPTO):Explore Patents

Title: Sumio Okuda: Innovator in Water-Absorbent Resin Technology

Introduction

Sumio Okuda is a notable inventor based in Hyogo, Japan, recognized for his contributions to the field of water-absorbent resin technology. With a total of 14 patents to his name, Okuda has played a significant role in advancing the production methods of water absorbent materials.

Latest Patents

Among Okuda’s most recent patents is the innovative "Package of Water Absorbent Resin Powder." This method outlines a sophisticated procedure for producing water absorbent resin that features a surface cross-linked structure. The process includes several key steps: a polymerization step where an unsaturated monomer aqueous solution is polymerized; a drying step where the hydrogel cross-linked polymer is dried; a surface treatment step; and finally, a sorting step to color-sort foreign materials from the resin. The end result is a high-quality water absorbent resin that minimizes discoloration.

Another notable patent is the "Process for Producing Water-Absorbing Resin," which details a continuous production method involving multiple steps. This includes polymerization, drying, pulverizing, classification, and surface treatment. The innovative aspect allows for some steps to remain operational while others may be paused, enhancing productivity and efficiency in resin production.

Career Highlights

Sumio Okuda's career has been marked by his affiliation with Nippon Shokubai Co., Ltd., where he has dedicated his expertise to the development of water-absorbent technologies. His work has not only contributed to the company’s portfolio but also to the overall advancement of materials used across various industries, including agriculture and health care.

Collaborations

Throughout his career, Okuda has collaborated with esteemed colleagues such as Kunihiko Ishizaki and Syuji Kanzaki. These partnerships have fostered a creative environment that led to the development of cutting-edge technologies and enhanced production methods within the field of polymer sciences.

Conclusion

Sumio Okuda's innovative contributions to water absorbent resin technology have positioned him as a key figure in polymer development. With a robust portfolio of patents and a commitment to excellence, he continues to advance the boundaries of this essential material, impacting industries and applications worldwide.

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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