Kawachinagano, Japan

Hiroyuki Nakazumi

This inventor holds 4 USPTO granted patents and 1 published patent application. Top assignees: Matsushita Electric Industrial Co., Ltd., Nagase Chemtex Corporation, Other. Active years: 1997-2003.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hiroyuki Nakazumi. Retrieved from https://idiyas.com/inventor/hiroyuki-nakazumi

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

Calculating rank
USPTO Granted Patents = 4 

% Patents Active = 75.0

Average Co-Inventor Count = 5.2

ph-index = 3

Forward Citations = 35(Granted Patents)


Location History:

  • Osaka, JP (2001)
  • Kawachinagano, JP (1997 - 2003)

Company Filing History:


Years Active: 1997-2003

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4 patents (USPTO):Explore Patents

Title: Hiroyuki Nakazumi: Innovator in Ink Composition and Microcapsules

Introduction

Hiroyuki Nakazumi is a notable inventor based in Kawachinagano, Japan. He has made significant contributions to the field of ink compositions and microcapsules, holding a total of 4 patents. His innovative work has impacted various industries, particularly in the development of advanced materials.

Latest Patents

Among his latest patents, Nakazumi has developed microcapsules containing a radiation-sensitive composition. This invention showcases his expertise in creating materials that respond to specific stimuli. Additionally, he has patented an ink composition that utilizes a unique method for pattern formation. This ink composition allows for the direct application of colored layers onto surfaces such as glass, ceramics, or polyester resins, ensuring uniform dispersion and precise patterning.

Career Highlights

Throughout his career, Nakazumi has worked with prominent companies, including Matsushita Electric Industrial Co., Ltd. His experience in these organizations has allowed him to refine his skills and contribute to groundbreaking innovations in his field.

Collaborations

Nakazumi has collaborated with notable colleagues, including Tsutomu Minami and Takeo Ito. These partnerships have fostered a creative environment that has led to the development of innovative technologies.

Conclusion

Hiroyuki Nakazumi's contributions to the fields of ink composition and microcapsules highlight his role as a significant inventor. His patents reflect a commitment to innovation and the advancement of technology.

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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