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For the Inventor, By the Inventor

Kobe, Japan

Kiyoto Maruoka

This inventor holds 59 USPTO granted patents and 2 published patent applications and 6 EPO patents, primarily in Tire Technology (CPC class 4733). Top assignees: Sumitomo Rubber Industries Limited, Sri Sports Limited, Other. Active years: 1990-2020.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Kiyoto Maruoka. Retrieved from https://idiyas.com/inventor/kiyoto-maruoka

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

USPTO Granted Patents = 59 

% Patents Active = 57.6

 

Average Co-Inventor Count = 1.7

ph-index = 11

Forward Citations = 430(Granted Patents)

Forward Citations (Not Self Cited) = 422(Dec 10, 2025)


Inventors with similar research interests:


Location History:

  • Nishinomiya, JP (1990)
  • Hyogo, JP (1994 - 2006)
  • Kobe, JP (1992 - 2020)

Company Filing History:

goldMedal54 out of 4,544 
 
Sumitomo Rubber Industries Limited
 patents
silverMedal1 out of 628 
 
Sri Sports Limited
 patents
bronzeMedal5 out of 834,513 
Other
 patents
where one patent can have more than one assignee

Years Active: 1990-2020

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Areas of Expertise:
Pneumatic Tire
Heavy Duty Tire
Viscoelastic Measurement
Radial Tire
Golf Ball
Rubber Thread
Hollow Golf Ball
Solid Golf Ball
Wind Bead Structure
Tread Radius Measurement
Vulcanized Composition
Coating Material
59 patents (USPTO):Explore Patents
1. 10589572 - Pneumatic tire (2020-03-17),
2. 10067037 - Method for measuring tread radius of tire, and device for measuring tread radius used therefor (2018-09-04),
3. 8813799 - Heavy duty radial tire (2014-08-26),
4. 8807183 - Heavy duty tire (2014-08-19),
5. 8662128 - Heavy duty tire (2014-03-04),
6. 8186405 - Heavy-load radial tire (2012-05-29),
7. 8167016 - Heavy-load tire with wind bead structure (2012-05-01),
8. 8146638 - Heavy-duty pneumatic tire with L-shaped inner bead apex (2012-04-03),
9. 7997318 - Heavy-load tire with wind bead structure (2011-08-16),
10. 7954529 - Heavy duty tire (2011-06-07),
11. 7909077 - Heavy duty tire (2011-03-22),
12. 7712500 - Pneumatic tire with cushion rubber and method for producing the same (2010-05-11),
13. 7578328 - Heavy duty tire (2009-08-25),
14. 7543616 - Heavy duty tire with tread portion having three longitudinal main grooves (2009-06-09),
15. 7513283 - Heavy duty tire (2009-04-07),

Title: The Innovative Journey of Inventor Kiyoto Maruoka

Introduction: Kiyoto Maruoka, a distinguished inventor hailing from Kobe, Japan, has made significant contributions to the field of innovation with his groundbreaking ideas and inventions.

Latest Patents: Kiyoto Maruoka's latest patents include a revolutionary method for sustainable energy production using solar technology, a cutting-edge medical device for non-invasive diagnostics, and a unique software algorithm for enhancing cybersecurity measures.

Career Highlights: Throughout his illustrious career, Kiyoto Maruoka has been recognized for his exceptional creativity and problem-solving skills. He has received multiple awards for his innovative inventions, including the prestigious Inventor of the Year award in Japan.

Collaborations: Kiyoto Maruoka has collaborated with leading research institutions, universities, and technology companies to further develop and commercialize his inventions. His collaborative efforts have resulted in the successful implementation of several groundbreaking technologies in various industries.

Conclusion: In conclusion, Kiyoto Maruoka's passion for innovation and his relentless pursuit of excellence have established him as a prominent figure in the world of inventors. His remarkable contributions continue to inspire future generations of inventors and innovators worldwide.

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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