Company Filing History:

11 out of 10,264

Sumitomo Electric Industries, Limited

patents

9 out of 178

University of Tsukuba

patents

where one patent can have more than one assignee

Years Active: 2014-2025

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11 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12480230 - Carbon nanotube-resin composite and method for manufacturing carbon nanotube-resin composite (2025-11-25),

2. 12221347 - Carbon nanotube assembled wire and carbon nanotube assembled wire bundle (2025-02-11),

3. 12168607 - Method for manufacturing carbon nanotube, method for manufacturing carbon nanotube assembled wire, method for manufacturing carbon nanotube assembled wire bundle, carbon nanotube manufacturing apparatus, carbon nanotube assembled wire manufacturing apparatus, and carbon nanotube assembled wire bundle manufacturing apparatus (2024-12-17),

4. 11939219 - Carbon nanotube assembled wire, carbon nanotube assembled wire bundle, and carbon nanotube structure (2024-03-26),

5. 11866330 - Method for manufacturing carbon nanotube, method for manufacturing carbon nanotube assembled wire, method for manufacturing carbon nanotube assembled wire bundle, carbon nanotube manufacturing apparatus, carbon nanotube assembled wire manufacturing apparatus, and carbon nanotube assembled wire bundle manufacturing apparatus (2024-01-09),

6. 11685655 - Carbon nanostructure producing method, carbon nanostructure and carbon nanostructure producing apparatus (2023-06-27),

7. 11673806 - Carbon nanotube composite assembled wire, heat-treated body of carbon nanotube composite assembled wire, method for manufacturing carbon nanotube composite assembled wire, and method for manufacturing heat-treated body of carbon nanotube composite assembled wire (2023-06-13),

8. 11511996 - Carbon nanotube composite, method for manufacturing the same, and method for manufacturing refined carbon nanotube (2022-11-29),

9. 9493354 - Carbon nanostructure, and method and apparatus for manufacturing carbon nanostructure (2016-11-15),

10. 9305711 - Carbon nanostructure, capacitor, method for processing carbon nanostructure, and method for producing carbon nanostructure (2016-04-05),

11. 8668952 - Carbon wire and nanostructure formed of carbon film and method of producing the same (2014-03-11),

Title: Innovations of Jun-ichi Fujita

Introduction

Jun-ichi Fujita is a prominent inventor based in Tsukuba, Japan. He has made significant contributions to the field of carbon nanotube technology, holding a total of 11 patents. His work has advanced the understanding and application of carbon nanotubes in various industries.

Latest Patents

Fujita's latest patents include innovative methods and apparatuses related to carbon nanotubes. One of his notable inventions is the carbon nanotube assembled wire, which consists of multiple carbon nanotubes. In this invention, the Raman spectrum of the assembled wire reveals a specific ratio of integrated intensities, indicating its unique properties. Additionally, he has developed methods for manufacturing carbon nanotubes, assembled wires, and wire bundles. These methods involve a growing step where carbon nanotubes are cultivated from catalyst particles and a drawing step that applies tensile force to the nanotubes.

Career Highlights

Throughout his career, Jun-ichi Fujita has worked with esteemed organizations such as Sumitomo Electric Industries and the University of Tsukuba. His experience in these institutions has allowed him to collaborate on groundbreaking research and development projects.

Collaborations

Fujita has collaborated with notable colleagues, including Takeshi Hikata and Soichiro Okubo. Their joint efforts have contributed to advancements in carbon nanotube technology and its applications.

Conclusion

Jun-ichi Fujita's innovative work in carbon nanotube technology has positioned him as a key figure in the field. His numerous patents and collaborations reflect his commitment to advancing scientific knowledge and practical applications.

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