IDiyas

For the Inventor, By the Inventor

Iwakuni, Japan

Tsutomu Kiriyama

USPTO Granted Patents = 15

Average Co-Inventor Count = 3.5

ph-index = 7

Forward Citations = 150(Granted Patents)


Location History:

  • Iwakuni, JP (1981 - 1989)
  • Ehime, JP (1993)
  • Matsuyama, JP (1985 - 1994)

Company Filing History:

goldMedal15 out of 1,586 
 
Teijin Limited
 patents

Years Active: 1981-1994

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15 patents (USPTO):Explore Patents
1. 5312851 - Wholly aromatic polyamide resin composition having enhanced light (1994-05-17),
2. 5274071 - Wholly aromatic polyamide (1993-12-28),
3. 5177175 - Fiber of wholly aromatic copolyamide from 2,6-naphthalene dicarboxylic (1993-01-05),
4. 5006629 - Wholly aromatic polyamide copolymer (1991-04-09),
5. 4885057 - Method for treating synthetic pulp particles, and pulp particles (1989-12-05),
6. 4619869 - Biaxially oriented polyester film (1986-10-28),
7. 4568506 - Process for producing an assembly of many fibers (1986-02-04),
8. 4539389 - Biaxially oriented polyester film (1985-09-03),
9. 4526735 - Process for producing fibrous assembly (1985-07-02),
10. 4521364 - Filament-like fibers and bundles thereof, and novel process and (1985-06-04),
11. 4429006 - Filament-like fibers and bundles thereof, and novel process and (1984-01-31),
12. 4414276 - Novel assembly of composite fibers (1983-11-08),
13. 4399084 - Process for producing a fibrous assembly (1983-08-16),
14. 4355075 - Novel filament-like fibers and bundles thereof, and novel process and (1982-10-19),
15. 4288484 - Novel fibrous assembly and process for production thereof (1981-09-08),

Title: The Innovative Genius of Tsutomu Kiriyama

Introduction: Tsutomu Kiriyama, an accomplished inventor from Iwakuni, Japan, has made significant contributions to the field of polymer chemistry. With a remarkable portfolio of 15 patents, Kiriyama's work focuses on advanced materials that exhibit enhanced properties for various applications.

Latest Patents: Among his recent innovations, Kiriyama has developed a wholly aromatic polyamide resin composition that showcases enhanced light resistance. This composition incorporates a light-resisting agent blended with a wholly aromatic polyamide resin. It includes compounds with naphthalene ring structures that contribute to its superior light-resisting capabilities. Additionally, he has formulated a wholly aromatic polyamide that can dissolve in organic solvents, resulting in an isotropic dope solution. This innovative material boasts excellent chemical resistance, heat resistance, processability, and mechanical strength, comprising recurring aromatic dicarbonyl and diamine units.

Career Highlights: Kiriyama is associated with Teijin Limited, a leading company in advanced materials. His dedication to research and development has led to groundbreaking innovations that meet specific industrial needs, demonstrating his commitment to enhancing material performance.

Collaborations: Throughout his career, Tsutomu Kiriyama has worked alongside esteemed colleagues such as Susumu Norota and Tadasi Imoto. These collaborations have paved the way for innovative solutions and have strengthened the collective impact of their research efforts.

Conclusion: Tsutomu Kiriyama is a pivotal figure in the realm of polyamide technologies, with his patents reflecting a deep understanding of material science. His contributions not only advance the capabilities of polymers but also inspire future innovations in the field. As he continues to collaborate and create at Teijin Limited, the industry eagerly anticipates his next breakthrough.

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