Tokyo, Japan

Tsutomu Fujii

This inventor holds 18 USPTO granted patents and 4 published patent applications and 4 EPO patents. Top assignees: Hitachi, Ltd., Fuji Jukogyo Kabushiki Kaisha, Zeon Corporation. Active years: 2007-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Tsutomu Fujii. Retrieved from https://idiyas.com/inventor/tsutomu-fujii

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

USPTO Granted Patents = 18 

% Patents Active = 88.9

 

Average Co-Inventor Count = 3.4

ph-index = 8

Forward Citations = 563(Granted Patents)


Location History:

  • Shinjuku-ku, JP (2012)
  • Yokohama, JP (2007 - 2017)
  • Kanagawa, JP (2019)
  • Tokyo, JP (2008 - 2022)

Company Filing History:


Years Active: 2007-2026

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18 patents (USPTO):Explore Patents

Title: Inventor Tsutomu Fujii: A Pioneer in Electrically Conductive Substances

Introduction

Tsutomu Fujii, based in Tokyo, Japan, is a notable inventor recognized for his contributions to the field of materials science, particularly in electrically conductive substances. With a remarkable total of 16 patents to his name, Fujii has demonstrated his innovative prowess through various inventions that enhance the functionality and efficiency of electronic components.

Latest Patents

Among his latest patents, Fujii has developed several significant innovations. One notable invention is the electrically conductive substance, which comprises a complex containing rubeanic acid ligands and copper ions. In this invention, the copper ions are specifically copper (I) ions. The production method involves mixing a rubeanic acid compound and a copper (I) compound in the presence of a base. This unique combination allows for the efficient creation of highly conductive materials.

Additionally, Fujii has introduced a management system that manages computer systems effectively. This system displays a list of elements of various types and enables users to select two or more elements from this list. It further showcases a topology that consists of the selected elements along with a related element, all arranged by their respective types. Such innovations reflect Fujii's ability to merge materials science with software solutions.

Career Highlights

Fujii's career has been distinguished through his affiliation with prominent companies, including Hitachi, Ltd., and Fuji Jukogyo Co., Ltd. His work in these leading organizations allowed him to develop and refine his inventive ideas, contributing significantly to technological advancements in his field.

Collaborations

Throughout his career, Tsutomu Fujii has collaborated with remarkable professionals such as Daisuke Nogami and Tomoki Kimura. These partnerships have not only fostered creative synergy but also led to the successful realization of various innovations within the realm of electrically conductive materials.

Conclusion

Tsutomu Fujii stands out as a prolific inventor whose work in electrically conductive substances and management systems has made a substantial impact on the technology landscape. His innovative contributions, coupled with successful collaborations and a strong career in reputable companies, set a commendable example for aspiring inventors in the field. Fujii's patents embody a blend of scientific rigor and practical application, paving the way for future advancements in materials and systems engineering.

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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