Iwaki, Japan

Tsuneo Niinuma

This inventor holds 1 USPTO granted patent. Top assignee: Kureha Kagaku Kogyo Kabushiki Kaisha. Active years: 1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsuneo Niinuma. Retrieved from https://idiyas.com/inventor/tsuneo-niinuma

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 = 3.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:


Years Active: 1990

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1 patent (USPTO):Explore Patents

Title: Tsuneo Niinuma: Innovator in Carbonaceous Materials

Introduction

Tsuneo Niinuma is a notable inventor based in Iwaki, Japan. He has made significant contributions to the field of materials science, particularly in the development of carbonaceous cylindrical bodies. His innovative work has led to the creation of a unique product that has potential applications in various industries.

Latest Patents

Niinuma holds a patent for a "Carbonaceous cylindrical body and process for producing the same." This invention involves a carbonaceous cylindrical body that includes a composite body of a carbonized material derived from a thin paper-like supporting body. The supporting body has a strength ratio of lengthwise direction to widthwise direction of 2 to 10. The carbonaceous matrix exhibits an optically isotropic structure under a polarizing microscope and contains at least 85% by weight of carbon. Additionally, it has an oxygen gas permeation coefficient ranging from 10^-2 to 10^-7 cm²/sec under a partial pressure of oxygen of 1 atmosphere, with a bulk density between 1.4 to 1.9 g/cm³.

Career Highlights

Tsuneo Niinuma is associated with Kureha Kagaku Kogyo Kabushiki Kaisha, a company known for its advancements in chemical products and materials. His work at Kureha has allowed him to focus on innovative solutions in carbon materials, contributing to the company's reputation in the industry.

Collaborations

Throughout his career, Niinuma has collaborated with notable colleagues such as Akio Yoshida and Ikuo Seo. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Tsuneo Niinuma's contributions to the field of carbonaceous materials highlight his role as an influential inventor. His patented work demonstrates the potential for innovative applications in various sectors. His ongoing efforts continue to inspire advancements in material science.

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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