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For the Inventor, By the Inventor

Osaka, Japan

Yu Hatayama

This inventor holds 9 USPTO granted patents and 2 published patent applications. Top assignee: Toyo Tire Rubber Co., Ltd.. Active years: 2012-2016.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Yu Hatayama. Retrieved from https://idiyas.com/inventor/yu-hatayama

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

USPTO Granted Patents = 9 

% Patents Active = 100.0

Average Co-Inventor Count = 4.0

ph-index = 1

Forward Citations = 3(Granted Patents)


Company Filing History:

goldMedal9 out of 967 
 
Toyo Tire Rubber Co., Ltd.
 patents

Years Active: 2012-2016

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9 patents (USPTO):Explore Patents
1. 9457529 - Tire building method and rubber strip bonding apparatus (2016-10-04),
2. 9027622 - Method of building carcass band and stitcher apparatus (2015-05-12),
3. 8945323 - Method of building carcass band and stitcher apparatus (2015-02-03),
4. 8454777 - Method and apparatus of adhering and building belt member (2013-06-04),
5. 8419873 - Tire building method and rubber strip bonding apparatus (2013-04-16),
6. 8382925 - Method and apparatus of adhering belt edge tape (2013-02-26),
7. 8365791 - Method and apparatus of adhering belt edge tape (2013-02-05),
8. 8342221 - Apparatus of jointing cord fabric (2013-01-01),
9. 8127818 - Method and apparatus of jointing cord fabric and jointing holder in calender line (2012-03-06),

Title: Innovations of Yu Hatayama in Tire Technology

Introduction

Yu Hatayama is a prominent inventor based in Osaka, Japan, known for his significant contributions to tire technology. With a total of nine patents to his name, Hatayama has developed innovative methods that enhance the manufacturing process of tires, ensuring better quality and performance.

Latest Patents

Among his latest patents are the "Tire building method and rubber strip bonding apparatus" and the "Method of building carcass band and stitcher apparatus." The tire building method focuses on achieving lamination without voids when constructing tires from multiple rubber members. This invention utilizes holding rolls and two sets of stitching rolls to perform independent pressing motions, ensuring that the rubber strip is effectively pressed and bonded during the winding process. The stitcher apparatus is designed to pressure-bond a carcass ply sheet onto a rubber sheet member, utilizing a ring-shaped frame and multiple pressure-bond rollers to enhance the bonding process.

Career Highlights

Yu Hatayama is currently employed at Toyo Tire & Rubber Co., Ltd., where he continues to innovate in the field of tire manufacturing. His work has significantly impacted the efficiency and quality of tire production, making him a valuable asset to the company.

Collaborations

Throughout his career, Hatayama has collaborated with notable colleagues such as Taizo Yamamoto and Tomoyuki Takatsuka. These partnerships have foster

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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