IDiyas

For the Inventor, By the Inventor

Iwakuni, Japan

Takeo Shima

USPTO Granted Patents = 17

Average Co-Inventor Count = 3.7

ph-index = 8

Forward Citations = 222(Granted Patents)


Company Filing History:

goldMedal17 out of 1,586 
 
Teijin Limited
 patents

Years Active: 1976-1978

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17 patents (USPTO):Explore Patents
1. 4066624 - Polyesters of naphthalene carboxylic acids and hydroxy alkoxydiphenyl (1978-01-03),
2. 4060516 - Naphthalate polyester filaments (1977-11-29),
3. 4042571 - Fire-retardant polyamides from naphthalene dicarboxylic reactant and (1977-08-16),
4. 4026973 - Process for preparing heat-resistant aromatic polyester filaments (1977-05-31),
5. 4018840 - Process for preparing alkenylbenzenes (1977-04-19),
6. 4012365 - Fiber-forming polyamides from naphthalene-2,7-dicarboxylic acid and (1977-03-15),
7. 3989664 - Stabilized polyester composition and method for stabilizing polyester (1976-11-02),
8. 3984379 - Process for preparation of polyesters (1976-10-05),
9. 3972852 - Process for preparing aromatic polyesters from diphenols (1976-08-03),
10. 3963844 - Extrusion-molded article having good thermal stability (1976-06-15),
11. 3961008 - Process for preparing polyester shaped articles (1976-06-01),
12. 3957896 - Process for preparing 2,6-dimethylnaphthalenes (1976-05-18),
13. 3954896 - Process for preparing monoalkenylbenzenes (1976-05-04),
14. 3954895 - Method of separating and recovering alkenylbenzenes and unreacted (1976-05-04),
15. 3953539 - Aromatic polyester resin composition having inhibited coloration and (1976-04-27),

Title: Takeo Shima: Innovator in Polyester Technology

Introduction

Takeo Shima is a prominent inventor based in Iwakuni, Japan. He has made significant contributions to the field of polyester technology, holding a total of 17 patents. His work has advanced the understanding and application of polyesters derived from naphthalene carboxylic acids.

Latest Patents

Among his latest patents, Shima has developed a process for preparing polyesters. This process involves reacting a difunctional carboxylic acid component with a diol component containing an aromatic group and an aliphatic or alicyclic diol component. The resulting polymer exhibits a reduced viscosity of at least 0.5. Additionally, he has patented naphthalate polyester filaments, yarns, or fibers that are particularly useful as electrically insulating materials and elastomeric reinforcing materials. These innovations highlight his expertise in creating high-performance materials.

Career Highlights

Shima is currently associated with Teijin Limited, a leading company in the field of advanced materials. His work at Teijin has allowed him to focus on innovative solutions in polyester technology, contributing to the company's reputation for excellence in material science.

Collaborations

Throughout his career, Shima has collaborated with notable colleagues, including Shoji Kawase and Takatoshi Kuratsuji. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.

Conclusion

Takeo Shima's contributions to polyester technology have made a lasting impact on the industry. His innovative patents and collaborations with esteemed colleagues underscore his role as a leading inventor in this field.

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