Himeji, Japan

Katsuhiro Kajikawa

This inventor holds 24 USPTO granted patents and 6 EPO patents, primarily in Water-Absorbent Resins. Top assignees: Nippon Shokubai Co., Ltd., Nippon Shokubai Kagaku Kogyo Co., Ltd.. Active years: 1993-2019.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Katsuhiro Kajikawa. Retrieved from https://idiyas.com/inventor/katsuhiro-kajikawa

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

Calculating rank

% Patents Active = 87.5


Average Co-Inventor Count = 3.8

ph-index = 14

Forward Citations = 729(Granted Patents)


Location History:

  • Hyogo, JP (1998 - 2016)
  • Himeji, JP (1993 - 2019)

Company Filing History:


Years Active: 1993-2019

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Areas of Expertise:
Water Absorbent Resin
Production Method
Hydrophilic Resin
Continuous Manufacturing
Acrylate Polymer
Granule Composition
Absorbent Articles
Blood-Absorbent Resin
24 patents (USPTO):Explore Patents

Title: Innovations and Contributions of Katsuhiro Kajikawa in Water Absorbent Resin Technology

Introduction

Katsuhiro Kajikawa, an accomplished inventor from Himeji, Japan, has made significant strides in the field of water absorbent resins, securing a total of 24 patents throughout his career. His innovative methods for producing high-quality water absorbent resin powder have advanced industrial applications, making him a notable figure in materials science.

Latest Patents

Kajikawa's recent patents focus on the production of water absorbent resin powder. His method encompasses several critical steps: a polymerization step where an unsaturated monomer aqueous solution is polymerized; a drying step for the hydrogel cross-linked polymer; a surface treatment step for enhancing the polymer's properties; and a sorting step designed to color-sort foreign matter from the resin. This advanced technique results in a high-quality water absorbent resin that is both efficient and aesthetically appealing, enhancing its market value and usability.

Career Highlights

Throughout his career, Katsuhiro Kajikawa has worked with notable companies such as Nippon Shokubai Co., Ltd. and Nippon Shokubai Kagaku Kogyo Co., Ltd. His experience in these organizations has equipped him with the knowledge and skills necessary to innovate and refine processes in the production of water absorbent materials.

Collaborations

Kajikawa has collaborated with esteemed professionals, including Kunihiko Ishizaki and Takumi Hatsuda. These partnerships have fostered a dynamic exchange of ideas and expertise, resulting in advancements in the industry and furthering research on water absorbent technologies.

Conclusion

Katsuhiro Kajikawa's contributions to the field of water absorbent resin technology are testament to his innovative spirit and dedication to improving material properties. With 24 patents to his name, his work continues to impact industry practices, paving the way for future advancements in water absorbent materials.

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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