logo

For the Inventor, By the Inventor

Kobe, Japan

Kiyohito Maruoka

This inventor holds 6 USPTO granted patents. Top assignee: Sumitomo Rubber Industries Limited. Active years: 2006-2010.

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

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

USPTO Granted Patents = 6

Average Co-Inventor Count = 1.6

ph-index = 2

Forward Citations = 7(Granted Patents)


Company Filing History:

goldMedal6 out of 4,548 
 
Sumitomo Rubber Industries Limited
 patents

Years Active: 2006-2010

Loading Chart...
6 patents (USPTO):Explore Patents
1. 7712501 - Heavy duty tire (2010-05-11),
2. 7604032 - Pneumatic tire with specified bead core covering rubber (2009-10-20),
3. 7490649 - Heavy duty tire with bead anchor rubber (2009-02-17),
4. 7387146 - Heavy duty tire (2008-06-17),
5. 7152647 - Pneumatic tire (2006-12-26),
6. 7040368 - Heavy duty tire (2006-05-09),

Title: Kiyohito Maruoka: Innovator in Tire Technology

Introduction

Kiyohito Maruoka is a prominent inventor based in Kobe, Japan. He has made significant contributions to the field of tire technology, holding a total of 6 patents. His innovative designs focus on enhancing the performance and durability of tires.

Latest Patents

One of Maruoka's latest patents is for a heavy-duty tire that features a single carcass ply and a tread reinforcing belt. This design includes a unique carcass ply turnup portion that comprises a base part under a bead core and a radially outer part extending axially inwardly towards the carcass ply main portion. The belt consists of three plies of cords, with specific angles of inclination for each ply to optimize performance. Another notable patent is for a pneumatic tire that includes a tread portion, sidewall portions, and bead portions with a bead core. This tire design incorporates a high modulus rubber layer that enhances the tire's structural integrity.

Career Highlights

Kiyohito Maruoka is associated with Sumitomo Rubber Industries Limited, a leading company in the tire manufacturing sector. His work has significantly impacted the development of advanced tire technologies, contributing to the company's reputation for quality and innovation.

Collaborations

Maruoka has collaborated with notable coworkers, including Minoru Nishi and Atsushi Yamahira. Their combined expertise has fostered advancements in tire design and technology.

Conclusion

Kiyohito Maruoka's contributions to tire technology through his innovative patents and collaborations highlight his role as a key figure in the industry. His work continues to influence the development of high-performance 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]
Loading…