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For the Inventor, By the Inventor

Tokyo, Japan

Teijin Chemicals Limited


USPTO Granted Patents = 127



Trademarks = 2

Forward Citations = 748

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192 inventors (with patents filed for the assignee):

goldMedal Toshimasa Tokuda (13 out of 14 patents)

silverMedal Katsuhiro Yamanaka (6 out of 26 patents)

bronzeMedal Seiichi Tanabe (6 out of 13 patents)

4.  Osamu Ohara (6 out of 6 patents)

5.  Masatoshi Ando (5 out of 10 patents)

6.  Makoto Takagi (5 out of 10 patents)

7.  Tatsuya Ekinaka (5 out of 10 patents)

8.  Takehiro Suga (5 out of 9 patents)

9.  Tetsuya Motoyoshi (5 out of 11 patents)

10.  Toshiaki Hotaka (5 out of 7 patents)

11.  Tomomitsu Onizawa (5 out of 5 patents)

12.  Yutaka Taketani (5 out of 5 patents)

13.  Masaki Nishiguchi (4 out of 26 patents)

14.  Toshio Kita (4 out of 9 patents)

15.  Koki Ikeda (4 out of 4 patents)


Core Competencies:
Transparent Electroconductive Laminate
Touch Panel Device
Optical Film
Flame Retardant Resin Composition
Polycarbonate Resin Composition
Aromatic Polycarbonate Resin
Spectacle Lens
Molded Article
Curved Member Manufacturing
Multi-layer Film
Polyester Carbonate Copolymer
Resin Composition

127 patents:

1. 10061461 - Transparent electroconductive laminate and transparent touch panel using the same (2018-08-28),
2. 10042481 - Transparent electroconductive laminate and transparent touch panel (2018-08-07),
3. 9652059 - Transparent electroconductive laminate and transparent touch panel (2017-05-16),
4. 9598546 - Optical film (2017-03-21),
5. 9296143 - Process of manufacturing a curved member having a high-grade design surface and member manufactured by the process (2016-03-29),
6. 9189112 - Touch panel device and display device with touch panel device (2015-11-17),
7. 8969436 - Method of producing a molded article (2015-03-03),
8. 8962780 - Polycarbonate-polydiorganosiloxane copolymer (2015-02-24),
9. 8945704 - Multi-layer film, decorative molding film and molded body (2015-02-03),
10. 8877304 - Optical film (2014-11-04),
11. 8859655 - Flame retardant resin composition and molded article thereof (2014-10-14),
12. 8859099 - Laminate of an acrylic resin composition layer containing triazine based ultra-violet compounds and an organosiloxane resin composition layer (2014-10-14),
13. 8846180 - Retardation film (2014-09-30),
14. 8765891 - Laminate of an acrylic resin composition layer containing triazine based ultra-violet compounds and an organosiloxane resin composition layer (2014-07-01),
15. 8697796 - Slidable resin composition and molded article thereof (2014-04-15),
TEIJIN CHEMICALS LIMITED is a global chemical company specializing in production and distribution of innovative solutions for various industries. With a commitment to sustainability and quality, the company offers a wide range of high-performance materials, from industrial chemicals and advanced fibers to healthcare products. TEIJIN CHEMICALS LIMITED aims to contribute to the realization of a sustainable society through its cutting-edge technologies and environmentally-friendly products.
This text is generated by artificial intelligence and may not be accurate.

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USPTO Data Jan 1 1976 - Jan 6 2026

127 Patents

#419 in Tokyo

#947 in Japan

#6,144 in the World

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Tokyo, Japan

Teijin Chemicals Limited

Forward Citations = 748

192 inventors:

goldMedal Toshimasa Tokuda (13 out of 14 patents)

silverMedal Katsuhiro Yamanaka (6 out of 26 patents)

bronzeMedal Seiichi Tanabe (6 out of 13 patents)

4.  Osamu Ohara (6 out of 6 patents)

5.  Masatoshi Ando (5 out of 10 patents)

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