For the Inventor, By the Inventor

Enter assignee name

Teijin Dupont Films Japan Limited

USPTO Granted Patents = 30

CIPO Patents = 4

EPO Patents = 28

Trademarks = 1

Forward Citations = 130

Loading Chart...

Loading Chart...

66 inventors (with patents filed for the assignee):

Koji Kubo (7 out of 36 patents)

Tetsuo Yoshida (7 out of 25 patents)

Taro Oya (5 out of 15 patents)

4. Katsuyuki Hashimoto (5 out of 8 patents)

5. Tetsuo Ichihashi (5 out of 19 patents)

6. Shinji Yano (5 out of 7 patents)

7. Atsushi Oyamatsu (4 out of 4 patents)

8. Makoto Handa (4 out of 20 patents)

9. Takeshi Ishida (3 out of 70 patents)

10. Tatsuhiko Osaki (3 out of 7 patents)

11. Masato Asai (3 out of 3 patents)

12. Ieyasu Kobayashi (3 out of 20 patents)

13. Shinji Muro (3 out of 8 patents)

14. Mitsumasa Ono (2 out of 12 patents)

15. Rei Nishio (2 out of 3 patents)

30 patents: Sort by Forward Citations

1. 10241248 - Biaxially stretched laminated polyester film, infrared light shielding structure for laminated glass composed of the same, and laminated glass composed of the same (2019-03-26),

2. 10208175 - Flame-retardant biaxially oriented polyester film, and flame-retardant polyester film laminate comprising the same and flexible circuit board (2019-02-19),

3. 9754721 - Biaxially oriented film for electrical insulation and film capacitor made using biaxially oriented film for electrical insulation (2017-09-05),

4. 9366792 - Uniaxially stretched multi-layer laminate film (2016-06-14),

5. 9045603 - Reinforcing film for the electrolyte membrane of a polymer electrolyte fuel cell (2015-06-02),

6. 8835755 - Dye-sensitized solar cell, and electrode and laminated film for the same (2014-09-16),

7. 8632876 - Laminated polyester film for solar cell backsheets (2014-01-21),

8. 8604335 - Laminate for dye-sensitized solar cell, electrode for dye-sensitized solar cell and method for producing it (2013-12-10),

9. 8440306 - Conductive film (2013-05-14),

10. 8404371 - Biaxially oriented polyester film and magnetic recording tape (2013-03-26),

11. 8367199 - Biaxially oriented film (2013-02-05),

12. 8339707 - Anti-reflection multi-layer laminated film (2012-12-25),

13. 8268215 - Laminated film for reflection plate (2012-09-18),

14. 8067105 - Biaxially oriented film (2011-11-29),

15. 8039735 - Laminated film for dye-sensitized solar cell and electrode for dye-sensitized solar cell, and process for their production (2011-10-18),

Teijin DuPont Films Japan Limited is a joint venture between Teijin Limited and DuPont Kabushiki Kaisha. The company specializes in the production and development of high-performance polyethylene terephthalate (PET) films for various applications, including packaging, industrial, and electrical markets. With a focus on innovation and sustainability, Teijin DuPont Films Japan aims to provide customers with advanced film solutions that meet their specific needs and contribute to a more sustainable future.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

30 Patents

#925 in Tokyo

#2,253 in Japan

#21,180 in the World

Teijin Dupont Films Japan Limited

Forward Citations = 130

66 inventors:

Koji Kubo (7 out of 36 patents)

Tetsuo Yoshida (7 out of 25 patents)

Taro Oya (5 out of 15 patents)

4. Katsuyuki Hashimoto (5 out of 8 patents)

5. Tetsuo Ichihashi (5 out of 19 patents)

Please report any incorrect information to support@idiyas.com

Loading…