Company Filing History:

13 out of 137

Kureha Kagaku Kogyo K.k.

patents

1 out of 1

Kureha Kagaku Kogho K.k.

patent

1 out of 2

Kureha Kagaku Kagyo K.k.

patents

Years Active: 1990-1995

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15 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 5405695 - Poly(phenylene Sulfide) fibers and production process thereof (1995-04-11),

2. 5288554 - Abrasive filaments and production process thereof (1994-02-22),

3. 5238739 - Abrasive filaments and production process thereof (1993-08-24),

4. 5178813 - Method of producing poly(phenylene sulfide) fibers (1993-01-12),

5. 5153279 - Poly(arylene thioether) block copolymer and production process thereof (1992-10-06),

6. 5153278 - Poly(arylene thioether) block copolymer and production process thereof (1992-10-06),

7. 5153264 - Poly(arylene thioether) block copolymer and production process thereof (1992-10-06),

8. 5120808 - Poly(arylene thioether) block copolymer and production process thereof (1992-06-09),

9. 4980114 - Stretched poly(arylene thioether) block copolymer films and production (1990-12-25),

10. 4975479 - Heat-resistant thermoplastic resin composition (1990-12-04),

11. 4962143 - Poly(arylene thioether) block copolymer fibers and production process (1990-10-09),

12. 4960806 - Stretched poly(arylene thioether) block copolymer films and production (1990-10-02),

13. 4960555 - Poly (arylene thioether) block copolymer fibers and production process (1990-10-02),

14. 4895924 - Poly(arylene thioether-ketone) fibers and production process thereof (1990-01-23),

15. 4895691 - Poly(arylene thioether-ketone) fibers and production process thereof (1990-01-23),

Title: Innovations of Hiroyuki Endo

Introduction

Hiroyuki Endo is a prominent inventor based in Shimoinayoshi, Japan. He has made significant contributions to the field of materials science, particularly in the development of advanced fibers. With a total of 15 patents to his name, Endo's work has had a substantial impact on various industries.

Latest Patents

One of his latest patents involves the creation of poly(phenylene sulfide) fibers. These fibers exhibit impressive mechanical properties, including a tensile strength of at least 3.5 g/d and a knot tenacity of at least 2 g/d. The fibers can withstand over 3,000 abrasion cycles before breaking and endure at least 150 flexural fatigue cycles. The production process for these fibers includes melt-spinning poly(phenylene sulfide) and stretching the filaments within a specific temperature range. Another notable patent focuses on abrasive filaments made from a composition of polyvinylidene fluoride resin and abrasive grains. These filaments are produced through a melt-spinning process followed by stretching.

Career Highlights

Hiroyuki Endo has worked with notable companies such as Kureha Kagaku Kogyo K.K. and Kureha Kagaku Kogho K.K. His experience in these organizations has allowed him to refine his expertise in fiber technology and materials development.

Collaborations

Endo has collaborated with several professionals in his field, including Yoshikatsu Satake and Takayuki Katto. These partnerships have contributed to the advancement of his innovative projects and patents.

Conclusion

Hiroyuki Endo's contributions to the field of materials science through his patents and collaborations highlight his role as a leading inventor. His work continues to influence the development of advanced fibers and materials.

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Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.