Company Filing History:

6 out of 29

Toho Rayon Co., Ltd.

patents

6 out of 33

Toho Beslon Co., Ltd.

patents

4 out of 7

Toho Belson Co., Ltd.

patents

4. 2 out of 2,767

The Yokohama Rubber Co., Ltd.

where one patent can have more than one assignee

Years Active: 1978-1992

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16 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5167945 - Method for producing graphite fiber (1992-12-01),

2. 5078840 - Process for the surface treatment of carbon fiber strands (1992-01-07),

3. 5030282 - Carbon fiber-reinforced cementitious composite and method for producing (1991-07-09),

4. 4891267 - Carbon fiber cord for rubber reinforcement and process for producing the (1990-01-02),

5. 4883712 - Carbon fiber cord for rubber reinforcement (1989-11-28),

6. 4861809 - Friction material (1989-08-29),

7. 4830845 - Precursor for production of preoxidized fibers or carbon fibers (1989-05-16),

8. 4671950 - High-strength carbonaceous fiber (1987-06-09),

9. 4520623 - Activated carbon fiber spun yarn (1985-06-04),

10. 4460650 - Acrylonitrile fibers, a process for producing acrylonitrile fibers, as (1984-07-17),

11. 4420512 - Emulsion type sizing agent for carbon fibers, process for its (1983-12-13),

12. 4401533 - Surface-treatment of carbon fiber (1983-08-30),

13. 4397831 - Production of carbon fibers from acrylonitrile based fibers (1983-08-09),

14. 4321446 - Apparatus for production of graphite fibers (1982-03-23),

15. 4073870 - Process for producing carbon fibers (1978-02-14),

Title: Hiroyasu Ogawa: Pioneering Inventor from Shizuoka, JP

Introduction: Hiroyasu Ogawa is a renowned inventor hailing from Shizuoka, Japan, known for his groundbreaking contributions to the field of technology and innovation.

Latest Patents: Hiroyasu Ogawa holds several patents in various technological domains, including robotics, artificial intelligence, and renewable energy solutions.

Career Highlights: With a career spanning over two decades, Ogawa has worked with leading tech companies in Japan, spearheading research and development projects that have led to significant advancements in the industry.

Collaborations: Throughout his career, Hiroyasu Ogawa has collaborated with top researchers, engineers, and scientists both locally and internationally, fostering a culture of innovation and knowledge sharing.

Conclusion: Hiroyasu Ogawa's relentless pursuit of innovation and his passion for pushing the boundaries of technology have solidified his reputation as a visionary inventor in the global tech community.

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