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For the Inventor, By the Inventor

Kawasaki, Japan

Yoshinobu Sugata

This inventor holds 8 USPTO granted patents. Top assignee: Fuji Electric Co., Ltd.. Active years: 1989-2005.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yoshinobu Sugata. Retrieved from https://idiyas.com/inventor/yoshinobu-sugata

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

Calculating rank
USPTO Granted Patents = 8

% Patents Active = 87.5

Average Co-Inventor Count = 2.5

ph-index = 6

Forward Citations = 77(Granted Patents)


Location History:

  • Kawasaki, JP (1989 - 1993)
  • Kanagawa, JP (1996)
  • Nagano, JP (2005)

Company Filing History:

goldMedal8 out of 4,826 
 
Fuji Electric Co., Ltd.
 patents

Years Active: 1989-2005

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8 patents (USPTO):Explore Patents
1. 6896973 - Method for manufacturing a recording medium (2005-05-24),
2. 5589860 - Ink jet recording head and method of producing the same (1996-12-31),
3. 5178981 - Photoconductor for electrophotography with a charge generating substance (1993-01-12),
4. 5158848 - Photoconductor for electrophotography (1992-10-27),
5. 4985325 - Photoconductor for electrophotography containing hydrazone (1991-01-15),
6. 4956250 - Azulenium photoconductor for electrophotography (1990-09-11),
7. 4954405 - Photoconductor for electrophotography comprising squarylium containing (1990-09-04),
8. 4877703 - Photoconductor for electrophotography having a squarylium charge (1989-10-31),

Title: Innovations of Yoshinobu Sugata

Introduction

Yoshinobu Sugata is a prominent inventor based in Kawasaki, Japan. He has made significant contributions to the field of recording media and inkjet technology. With a total of 8 patents to his name, Sugata's work has had a considerable impact on the industry.

Latest Patents

One of his latest patents is a method for manufacturing a recording medium. This innovative process includes a surface treatment that removes contamination from a thermoplastic resin support substrate while enhancing its wettability. The treatment occurs before forming the layer structure, which consists of at least a signal recording layer. The support substrate is placed in an active gas atmosphere, such as ozone, followed by an inert gas atmosphere like nitrogen. This method ensures minimal deterioration of the support substrate surface.

Another notable patent is for an inkjet recording head and the method of producing it. In this invention, both a cavity plate and a vibrating plate are constructed from polyether imide resin. A polysulfone resin film, with a thickness of 3 micrometers, is formed on one or both joining faces of the plates. The melt temperature of the polysulfone resin is approximately 190 degrees Celsius, while the heat deformation temperature of the polyether imide resin is around 200 degrees Celsius. When the plates are heated together at 190 degrees Celsius for one hour, the polysulfone resin films fuse to create a strong bond without causing deformation in the ink flow paths.

Career Highlights

Yoshinobu Sugata is currently employed at Fuji Electric Co., Ltd. His work at this esteemed company has allowed him to develop and refine his innovative ideas, contributing to advancements in technology.

Collaborations

Sugata has collaborated with notable coworkers, including Noboru Furusho and Masami Kuroda. Their combined expertise has fostered a creative environment that encourages innovation and development.

Conclusion

Yoshinobu Sugata's contributions to the fields of recording media and inkjet technology demonstrate his innovative spirit and dedication to advancing technology. His patents reflect a commitment to improving existing processes and creating new solutions.

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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