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For the Inventor, By the Inventor

Kodaira, Japan

Sakae Inoue

This inventor holds 6 USPTO granted patents. Top assignee: Bridgestone Tire Company Limited. Active years: 1976-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Sakae Inoue. Retrieved from https://idiyas.com/inventor/sakae-inoue

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

USPTO Granted Patents = 6

% Patents Active = 100.0

Average Co-Inventor Count = 4.4

ph-index = 4

Forward Citations = 50(Granted Patents)


Location History:

  • Kodaira, JA (1976 - 1978)
  • Kodaira, JP (1982)

Company Filing History:

goldMedal6 out of 504 
 
Bridgestone Tire Company Limited
 patents

Years Active: 1976-1982

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6 patents (USPTO):Explore Patents
1. 4353557 - Golf ball (1982-10-12),
2. 4086211 - Method of producing polyurethane products having an improved flex crack (1978-04-25),
3. 4041207 - Heat resistant rubber laminates (1977-08-09),
4. 4013817 - Method for adhering a rubber composition to a metal material (1977-03-22),
5. 3984383 - Sulfenamides in vulcanizable rubber composition (1976-10-05),
6. 3968182 - Urethane rubber compositions reinforced with chopped organic fibers (1976-07-06),

Title: Sakae Inoue: Innovator in Golf Ball Technology and Polyurethane Products

Introduction

Sakae Inoue is a notable inventor based in Kodaira, Japan. He has made significant contributions to the field of materials science, particularly in the development of golf balls and polyurethane products. With a total of 6 patents to his name, Inoue's work reflects a commitment to innovation and quality.

Latest Patents

Inoue's latest patents include a groundbreaking design for a golf ball. This golf ball features a core, a rubber thread layer, and a cover layer, where the rubber thread is composed of a rubber composition that consists essentially of 100 parts by weight of natural rubber and/or cis-1,4-polyisoprene, along with 2-20 parts by weight of carbon black. Another significant patent involves a method of producing polyurethane products that have improved flex crack resistance. This method entails curing a mixture of a polyurethane prepolymer with terminal isocyanate groups and at least one curative selected from polyamine and polyol. The resulting polyurethane product is then heat-treated at a temperature of 60°C to 180°C for a duration ranging from 1 to 30,000 minutes under an atmosphere with an absolute humidity of at least 2%.

Career Highlights

Sakae Inoue is currently associated with Bridgestone Tire Company Limited, where he continues to push the boundaries of innovation in material technology. His work has not only advanced the performance of golf balls but has also contributed to the development of more durable polyurethane products.

Collaborations

Inoue has collaborated with notable colleagues in his field, including Tsutomu Matsunaga and Kazuo Naito. These partnerships have fostered a creative environment that encourages the exchange of ideas and expertise.

Conclusion

Sakae Inoue's contributions to the fields of golf ball technology and polyurethane products exemplify his innovative spirit and dedication to advancing material science. His patents reflect a deep understanding of the materials involved and a commitment to enhancing product performance.

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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