Company Filing History:

12 out of 5,120

Bridgestone Corporation

patents

2 out of 504

Bridgestone Tire Company Limited

patents

1 out of 1,273

Bridgestone Sports Co., Ltd.

patents

4. 1 out of 832,843

Other

patents

where one patent can have more than one assignee

Years Active: 1981-2003

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14 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 6576680 - Reclaimed rubber and process for producing the same (2003-06-10),

2. 5780132 - Composite rubber article and method of making (1998-07-14),

3. 5707701 - Resin/rubber laminate (1998-01-13),

4. 5686505 - Process and apparatus for surface treatment of unvulcanized rubber sheet (1997-11-11),

5. 5466424 - Corona discharge surface treating method (1995-11-14),

6. 5403419 - Method for making rubbery composite materials by plating a plastic (1995-04-04),

7. 5316739 - Method and apparatus for surface treatment (1994-05-31),

8. 4985510 - Crystalline N-methoxymethylated nylon and nylon composition (1991-01-15),

9. 4872932 - Method for making rubbery composite materials by plating a metal (1989-10-10),

10. 4762589 - Method of making a tubular rubber product having a polyamide or (1988-08-09),

11. 4657285 - Tubular rubber products (1987-04-14),

12. 4613403 - Method for treating golf ball surface with glow discharge plasma and (1986-09-23),

13. 4317862 - Sandwich glass (1982-03-02),

14. 4300970 - Method of bonding vulcanized rubber to resin (1981-11-17),

Title: The Innovations of Setsuo Akiyama

Introduction

Setsuo Akiyama is a prominent inventor based in Sagamihara, Japan. He has made significant contributions to the field of rubber technology, holding a total of 14 patents. His work focuses on the development of advanced materials and processes that enhance the properties of rubber products.

Latest Patents

Among his latest patents, Akiyama has developed a method for producing reclaimed rubber through a process of devulcanization. This reclaimed rubber exhibits excellent physical properties as a vulcanized material. The reclaimed rubber obtained by devulcanizing vulcanized rubber has a sol proportion of 80% or higher, with a peak top molecular weight of sol determined by gel permeation chromatography (GPC) being 100,000 or less. Another notable patent involves a composite rubber article and the method of making it. This composite rubber article is created by joining a rubber composition based on a brominated p-methylstyrene/isobutylene copolymer to various materials, including plastics, inorganic, and metallic substances, using a di-, tri-, or tetra-alkoxysilane compound. This innovation is applicable in the manufacturing of composite rubber articles such as tires, high-pressure hoses, and pneumatic springs.

Career Highlights

Akiyama has had a distinguished career, working with leading companies in the rubber industry, including Bridgestone Corporation and Bridgestone Tire Company Limited. His expertise in rubber technology has allowed him to contribute to the advancement of materials used in various applications.

Collaborations

Throughout his career, Akiyama has collaborated with notable colleagues, including Masato Yoshikawa and Kazuo Naito. These collaborations have further enriched his work and led to innovative solutions in rubber technology.

Conclusion

Setsuo Akiyama's contributions to the field of rubber technology through his patents and collaborations highlight his role as a significant inventor. His innovations continue to impact the industry, paving the way for advancements in material science.

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