Tokyo, Japan

Yoshifumi Iimori

This inventor holds 5 USPTO granted patents. Top assignees: Nippon Paper Industries Co., Ltd., Sanyo-Kokusaku Pulp Co., Ltd.. Active years: 1994-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshifumi Iimori. Retrieved from https://idiyas.com/inventor/yoshifumi-iimori

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


% Patents Active = 100.0

Average Co-Inventor Count = 3.8

ph-index = 4

Forward Citations = 63(Granted Patents)


Company Filing History:


Years Active: 1994-2002

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5 patents (USPTO):Explore Patents

Title: Innovations of Yoshifumi Iimori

Introduction

Yoshifumi Iimori is a notable inventor based in Tokyo, Japan. He has made significant contributions to the field of paper technology, particularly in the development of ink jet recording paper and permanent paper. With a total of five patents to his name, Iimori's work has had a lasting impact on the industry.

Latest Patents

Iimori's latest patents include an innovative ink jet recording paper that excels in ink absorbency and color-developing properties. This paper features a unique structure comprising an ink-receiving layer and at least two colloidal silica layers applied successively onto a support. Each colloidal silica layer contains chain colloidal silica as a main ingredient, with specific coverage requirements to enhance performance. Another significant patent is for a permanent paper that utilizes a stock pulp slurry containing various fillers and aluminum sulfate, along with a hydrophobic modified rosin emulsion sizing agent. This paper is designed to maintain specific pH levels to ensure optimal performance.

Career Highlights

Throughout his career, Yoshifumi Iimori has worked with prominent companies such as Nippon Paper Industries Co., Ltd. and Sanyo-Kokusaku Pulp Co., Ltd. His experience in these organizations has allowed him to refine his expertise in paper technology and innovation.

Collaborations

Iimori has collaborated with notable coworkers, including Yoshihiro Kuroyama and Teruhisa Shimada. These partnerships have contributed to the advancement of his research and the successful development of his patents.

Conclusion

Yoshifumi Iimori's contributions to the field of paper technology through his innovative patents have established him as a key figure in the industry. His work continues to influence the development of high-quality paper products.

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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