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Toyobo Co., Ltd.

USPTO Granted Patents = 395

CIPO Patents = 5

EPO Patents = 260

Trademarks = 78

Forward Citations = 945

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520 inventors (with patents filed for the assignee):

Masayuki Haruta (47 out of 58 patents)

Shintaro Ishimaru (21 out of 22 patents)

Shotaro Nishio (14 out of 14 patents)

4. Tetsuo Okuyama (13 out of 13 patents)

5. Takahide Kishimoto (13 out of 23 patents)

6. Akira Shimizu (12 out of 12 patents)

7. Tsutomu Akechi (11 out of 11 patents)

8. Kiwamu Kawai (11 out of 11 patents)

9. Jun Inagaki (10 out of 22 patents)

10. Naoki Watanabe (10 out of 10 patents)

11. Takuro Endo (10 out of 11 patents)

12. Yukihiro Numata (9 out of 9 patents)

13. Hideto Ohashi (9 out of 13 patents)

14. Yuu Utashima (9 out of 9 patents)

15. Shusaku Yanagidani (9 out of 9 patents)

Core Competencies:

Biaxially Oriented Polyester Film

Thermal Adhesive Laminated Film

Composite Membrane

Flame-Retardant Polyester Film

Transparent Conductive Film

Hard Coat Film

Polyester Resin Composition

Foldable Display

Laser-Printable Film

Heat-Shrinkable Polyester Film

Cavity-Containing Polyester Film

Laminated Body for Fuel Cell

395 patents: Sort by Forward Citations

1. 12497506 - Heat-shrinkable polyester-based film roll (2025-12-16),

2. 12489044 - Method for producing layered body, layered body, and multilayered body (2025-12-02),

3. 12479992 - Biaxially oriented polyester film and production method therefor (2025-11-25),

4. 12479194 - Laminate (2025-11-25),

5. 12473464 - Thermal adhesive laminated oriented film (2025-11-18),

6. 12473408 - Biaxially oriented polyester film (2025-11-18),

7. 12472732 - Laminate, method for manufacturing laminate, and method for manufacturing flexible electronic device (2025-11-18),

8. 12466926 - Polyester film and use thereof (2025-11-11),

9. 12447726 - Cavity-containing polyester film (2025-10-21),

10. 12421363 - White easy-adhesive polyester film comprising a nitrogen-containing antistatic agent (2025-09-23),

11. 12420536 - Multilayer body, and package using same (2025-09-23),

12. 12404379 - Biaxially oriented polypropylene film (2025-09-02),

13. 12391827 - Biaxially stretched polyamide film (2025-08-19),

14. 12391813 - Layered body including inorganic substrate and polyamic acid cured product (2025-08-19),

15. 12391811 - Biaxially oriented polypropylene film (2025-08-19),

TOYOBO CO., LTD. is a Japanese company engaged in the production and sale of various products. Established in 1882, the company operates through its segments: Films and Functional Polymers, Life Sciences, Specialty Products, Textiles and Trading. TOYOBO provides a wide range of products such as functional films, fibers, resins, medical-related products, textiles, and trading services. Committed to innovation and sustainability, TOYOBO aims to contribute to society by providing high-quality products and services.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

395 Patents

#46 in Osaka

#426 in Japan

#2,279 in the World

Toyobo Co., Ltd.

Forward Citations = 945

520 inventors:

Masayuki Haruta (47 out of 58 patents)

Shintaro Ishimaru (21 out of 22 patents)

Shotaro Nishio (14 out of 14 patents)

4. Tetsuo Okuyama (13 out of 13 patents)

5. Takahide Kishimoto (13 out of 23 patents)

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