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For the Inventor, By the Inventor

Tokyo, Japan

Junji Sakata

This inventor holds 11 USPTO granted patents and 2 EPO patents. Top assignee: Bridgestone Corporation. Active years: 1991-2014.

USPTO Granted Patents = 11

% Patents Active = 81.8

 

Average Co-Inventor Count = 2.6

ph-index = 5

Forward Citations = 62(Granted Patents)


Location History:

  • Fujisawa, JP (1991 - 1999)
  • Kodaira, JP (2004 - 2012)
  • Tokyo, JP (2002 - 2014)

Company Filing History:

goldMedal11 out of 5,188 
 
Bridgestone Corporation
 patents

Years Active: 1991-2014

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11 patents (USPTO):Explore Patents
1. 8859634 - Adherent resin composition (2014-10-14),
2. 8376922 - Developing roller, charging roller, conductive roller and method for producing the same (2013-02-19),
3. 8337373 - Conductive elastic roller and image forming apparatus comprising the same (2012-12-25),
4. 6818674 - Elastic member and image formation equipment (2004-11-16),
5. 6810227 - Foamed elastic member for use in image forming apparatus (2004-10-26),
6. 6572791 - Electroconductive elastic member, elastic member and image formation equipment (2003-06-03),
7. 6480692 - Toner supply roller and developing apparatus (2002-11-12),
8. 5933693 - Electroconductive elastic member and electrophotographic apparatus using (1999-08-03),
9. 5911099 - Electroconductiive member and electrophotogrpahic apparatus (1999-06-08),
10. 5132064 - Foam molding method and mold assembly therefor (1992-07-21),
11. 5039291 - Foam molding assembly (1991-08-13),

Title: Junji Sakata: Innovator in Adhesive Technologies

Introduction

Junji Sakata is a prominent inventor based in Tokyo, Japan. He has made significant contributions to the field of adhesive technologies, holding a total of 11 patents. His work focuses on developing innovative materials that enhance adhesion properties for various applications.

Latest Patents

One of Sakata's latest patents is for an adherent resin composition. This invention relates to a photo-curing or electron beam-curing adherent resin composition that exhibits excellent adhesiveness to various adherends such as metal oxide, metal, and resin. The composition includes a difunctional urethane (metha)acrylate oligomer and a cyclic monomer having a (metha)acryloyl group. Another notable patent involves a conductive roller, which can be a developing roller or charging roller. This roller features a resin coating layer on an elastic layer's surface, utilizing ultraviolet-curing or electron beam curing type resin. The design of the resin coating layer is optimized by incorporating microparticles and controlling their particle size.

Career Highlights

Junji Sakata is currently associated with Bridgestone Corporation, where he continues to innovate in adhesive technologies. His work has significantly impacted the development of materials used in various industrial applications.

Collaborations

Sakata has collaborated with notable coworkers, including Hirotaka Yamazaki and Tadashi Nakajima. Their combined expertise has contributed to the advancement of adhesive technologies within their field.

Conclusion

Junji Sakata's contributions to adhesive technologies through his innovative patents demonstrate his commitment to advancing material science. His work continues to influence various industries, showcasing the importance of innovation in enhancing product performance.

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