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For the Inventor, By the Inventor

Osaka, Japan

Tsuneo Yamashita

This inventor holds 23 USPTO granted patents and 10 published patent applications and 21 EPO patents, primarily in Fluoropolyether Compounds. Top assignees: Daikin Industries, Ltd., Sharp Kabushiki Kaisha Corporation. Active years: 1989-2026.

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

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

USPTO Granted Patents = 23 

% Patents Active = 91.3

 

Average Co-Inventor Count = 4.0

ph-index = 2

Forward Citations = 32(Granted Patents)


Location History:

  • Settsu, JP (1989 - 2016)
  • Osaka, JP (2015 - 2024)

Company Filing History:

goldMedal23 out of 4,495 
 
Daikin Industries, Ltd.
 patents
silverMedal2 out of 25,974 
 
Sharp Kabushiki Kaisha Corporation
 patents
where one patent can have more than one assignee

Years Active: 1989-2026

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Areas of Expertise:
Surface Treatment Agent
Fluoropolyether Compound
Antifouling Film
Water-Repellent Substrate
Isocyanuric Skeleton
Curable Composition
Resin Mold Material
Fluorine-Containing Complex
Chlorine-Containing Compound
Functional Film
Polyether Group
23 patents (USPTO):Explore Patents
1. 12516200 - Surface treatment agent (2026-01-06),
2. 12351682 - Surface-treating agent (2025-07-08),
3. 12202939 - Fluoropolyether group-including compound (2025-01-21),
4. 12116456 - Fluoropolyether group containing compound (2024-10-15),
5. 12071511 - Polyether group-containing compound (2024-08-27),
6. 11912888 - Fluoropolyether group-containing compound (2024-02-27),
7. 11634608 - Compound having isocyanuric skeleton and composition in which said compound is included (2023-04-25),
8. 11572434 - Curable composition, method for producing same, and article using same (2023-02-07),
9. 11560485 - Surface-treating agent comprising perfluoro(poly)ether group-containing compound (2023-01-24),
10. 11142653 - Method for producing antifouling film (2021-10-12),
11. 11142617 - Method for producing antifouling film (2021-10-12),
12. 11135761 - Process for producing receiving object having transferred pattern (2021-10-05),
13. 11118085 - Water-repellent substrate (2021-09-14),
14. 11008466 - Curable composition, process for producing same, and article produced therewith (2021-05-18),
15. 10988633 - Compound having isocyanuric skeleton and composition in which said compound is included (2021-04-27),

Title: Tsuneo Yamashita - Innovator in Fluoropolyether Technologies

Introduction

Tsuneo Yamashita is a prominent inventor based in Osaka, Japan, known for his significant contributions to the field of fluoropolyether compounds. With an impressive portfolio consisting of 21 patents, he has established himself as an influential figure in the innovation landscape.

Latest Patents

His latest patents include innovative fluoropolyether group-containing compounds, specifically highlighted by formulas (1) and (2). The first compound is represented as R—X—R, while the second compound is detailed as R—X—R—X—R, showcasing a fascinating approach to fluoropolyether chemistry. The precise definitions of R, R, and R in these formulas contribute to the uniqueness of these compounds.

Career Highlights

Throughout his career, Tsuneo Yamashita has worked with renowned companies such as Daikin Industries, Ltd. and Sharp Kabushiki Kaisha Corporation. His experience in these organizations has played a crucial role in advancing his research and developing cutting-edge technologies.

Collaborations

Yamashita has collaborated with notable coworkers like Hisashi Mitsuhashi and Masatoshi Nose, contributing to the development of innovative technologies and patent filings. Their combined expertise has enhanced the quality and impact of their inventions.

Conclusion

With his vast experience and dedication to innovation, Tsuneo Yamashita continues to contribute to the world of fluoropolyether compounds. His work not only showcases his inventiveness but also highlights the importance of collaboration in the patent development process.

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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