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For the Inventor, By the Inventor

Tokyo, Japan

Kenji Yoshino

This inventor holds 41 USPTO granted patents, primarily in Materials Science. Top assignees: Olympus Optical Company, Ltd., Kawasaki Steel Corporation, Sony Corporation. Active years: 1984-2018.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kenji Yoshino. Retrieved from https://idiyas.com/inventor/kenji-yoshino

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

USPTO Granted Patents = 41

% Patents Active = 78.0

Average Co-Inventor Count = 4.5

ph-index = 20

Forward Citations = 3,251(Granted Patents)


Location History:

  • Chiba, JP (1984 - 1993)
  • Tama, JP (1991 - 1998)
  • Hachioji, JP (1996 - 2001)
  • Tokyo, JP (1995 - 2018)

Company Filing History:

goldMedal18 out of 5,729 
 
Olympus Optical Company, Ltd.
 patents
silverMedal12 out of 1,256 
 
Kawasaki Steel Corporation
 patents
bronzeMedal7 out of 58,145 
 
Sony Corporation
 patents
4. 2 out of 8 
 
Dyflex Corporation
 patents
5. 1 out of 630 
 
Dainippon Ink and Chemicals, Incorporated
 patents
6. 1 out of 1,799 
 
Sony Computer Entertainment Inc.
 patents

Years Active: 1984-2018

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Areas of Expertise:
Urethane Composition
Optical Imaging
Ultrasonic Treatment
Content Delivery
Data Storage
Gene Therapy
Stereoscopic Endoscope
MRI Apparatus
Thermoplastic Resin
Access Control
Diagnostic System
3D Vision
41 patents (USPTO):Explore Patents
1. 10066120 - Urethane composition for coating film waterproof material (2018-09-04),
2. 9890285 - Asphalt-urethane composition (2018-02-13),
3. 8538887 - Content delivery system and content delivery method (2013-09-17),
4. 7925017 - Information recording device, information playback device, information recording medium, information recording method, information playback method, and program providing medium (2011-04-12),
5. 7496756 - Content usage-right management system and management method (2009-02-24),
6. 7328458 - Authoring system, authoring key generator, authoring device, authoring method, and data supply device, information terminal and information distribution method (2008-02-05),
7. 7243228 - Data storage with CBC-mode encryption processing (2007-07-10),
8. 7225341 - Memory access control system and management method using access control ticket (2007-05-29),
9. 7124317 - Information recording and playback system having a memory interface and method therefore (2006-10-17),
10. 6834333 - Data processing device, data storage device, data processing method, and program providing medium for storing content protected under high security management (2004-12-21),
11. 6327493 - Light scanning devices of a water-tight structure to be inserted into a body cavity to obtain optical information on inside of a biological tissue (2001-12-04),
12. 6069698 - Optical imaging apparatus which radiates a low coherence light beam onto (2000-05-30),
13. 5836897 - Ultrasonic treatment apparatus (1998-11-17),
14. 5720706 - Stereoscopic endoscope (1998-02-24),
15. 5702384 - Apparatus for gene therapy (1997-12-30),

Title: Kenji Yoshino: Innovator in Urethane and Asphalt-Urethane Technologies

Introduction

Kenji Yoshino, based in Tokyo, Japan, is a prolific inventor with a remarkable portfolio of 41 patents. His work primarily focuses on innovative materials and compositions in the fields of urethane and asphalt-urethane, showcasing a commitment to advancing industrial applications through chemical innovation.

Latest Patents

Among Yoshino's latest patents, two standout inventions exemplify his expertise. The first, titled "Urethane Composition for Coating Film Waterproof Material," introduces a urethane formulation that eliminates specific chemical substances often found in traditional waterproof materials. This innovative composition offers high extensibility, strength, and weather resistance, making it ideal for hand application in non-bleeding coating situations.

The second patent, "Asphalt-Urethane Composition," describes a novel formulation also free from harmful chemicals. This composition is designed for use in mineral-surfaced asphalt roofing, providing excellent adhesion, workability, and water resistance. It notably enhances temporary waterproofing capabilities and can withstand various environmental conditions, solidifying its place in modern construction.

Career Highlights

Yoshino has contributed to significant advancements while working with notable companies such as Olympus Optical Company, Ltd. and Kawasaki Steel Corporation. His diverse roles have allowed him to refine his innovative skills and broaden his impact on the field of materials science.

Collaborations

In his journey of innovation, Yoshino has collaborated with esteemed colleagues like Hitoshi Karasawa and Tetsumaru Kubota. Their combined efforts have further propelled the development of cutting-edge chemical compositions, enhancing overall industry standards.

Conclusion

Kenji Yoshino's contributions to urethane and asphalt-urethane technologies represent a significant advancement in material science. With 41 patents to his name, his expertise not only improves current applications but also paves the way for future innovations in waterproof coatings and construction materials. His ongoing commitment to excellence and collaboration serves as an inspiration to aspiring inventors in the industry.

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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