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For the Inventor, By the Inventor

Hiratsuka, Japan

Yukio Tozawa

This inventor holds 10 USPTO granted patents, plus 1 CIPO patent. Top assignee: The Yokohama Rubber Co., Ltd.. Active years: 1982-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yukio Tozawa. Retrieved from https://idiyas.com/inventor/yukio-tozawa

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

USPTO Granted Patents = 10

% Patents Active = 60.0


Average Co-Inventor Count = 2.5

ph-index = 5

Forward Citations = 73(Granted Patents)


Location History:

  • Hiratsuka, JP (1982 - 2007)
  • Kanagawa, JP (2004 - 2011)

Company Filing History:

goldMedal10 out of 2,770 
 
The Yokohama Rubber Co., Ltd.
 patents

Years Active: 1982-2011

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10 patents (USPTO):Explore Patents
1. 7895886 - Evaluation method for pneumatic tires and system thereof (2011-03-01),
2. 7310997 - Tire warning device detecting tensile forces of reinforcing cord and pneumatic tire having the same (2007-12-25),
3. 6796349 - Pneumatic tire including protrusion dividing groove space of main groove having groove width narrowed during inflation (2004-09-28),
4. 6744355 - System for notifying person of level of danger of occurrence of tire failure (2004-06-01),
5. 6564841 - Pneumatic tire having zig-zag circumferential main grooves (2003-05-20),
6. 5603786 - Pneumatic tire with 1.times.2 steel belt cords (1997-02-18),
7. 5505243 - Pneumatic radial tire with 1x2 steel belt cord (1996-04-09),
8. 5223060 - Pneumatic radial tire including steel cords of flat oblong (1993-06-29),
9. 4854360 - Pneumatic radial tire arrangement for vehicle (1989-08-08),
10. 4326576 - Rubber composition employing soft black and a thermosetting resin and (1982-04-27),

Title: Innovations by Yukio Tozawa

Introduction

Yukio Tozawa is a notable inventor based in Hiratsuka, Japan. He has made significant contributions to the field of tire technology, holding a total of 10 patents. His work focuses on improving the safety and performance of pneumatic tires through innovative evaluation and warning systems.

Latest Patents

Tozawa's latest patents include an evaluation method for pneumatic tires and a system designed to assess the adverse effects of tire temperature. This method quantitatively evaluates the severity of temperature impacts on rubber tire components. It utilizes a detection counts calculating unit to analyze temperature data from sensors, allowing for a comprehensive assessment of thermal deterioration. Another significant invention is a tire warning device that detects tensile forces in the reinforcing cords of pneumatic tires. This device employs a strain sensor to monitor the cords and provides warnings based on the calculated tensile forces, enhancing tire safety.

Career Highlights

Throughout his career, Tozawa has worked with prominent companies, including The Yokohama Rubber Co., Ltd. and Hisao Katoh. His experience in these organizations has contributed to his expertise in tire technology and innovation.

Collaborations

Tozawa has collaborated with notable individuals in the industry, including Hiroshi Iizuka and Susumu Imamiya. These partnerships have fostered advancements in tire safety and performance.

Conclusion

Yukio Tozawa's contributions to tire technology through his patents and collaborations highlight his role as an influential inventor in the field. His innovative approaches continue to enhance the safety and reliability of pneumatic tires.

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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