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Toyobo Co., Ltd.

USPTO Granted Patents = 397

% Expired Patents = 6.8

CIPO Patents = 2

EPO Patents = 261

Trademarks = 64

Forward Citations = 1,009

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515 inventors (with patents filed for the assignee):

Masayuki Haruta (51 out of 61 patents)

Shintaro Ishimaru (22 out of 22 patents)

Akira Shimizu (15 out of 16 patents)

4. Shotaro Nishio (15 out of 16 patents)

5. Tetsuo Okuyama (13 out of 14 patents)

6. Takahide Kishimoto (13 out of 23 patents)

7. Kiwamu Kawai (13 out of 14 patents)

8. Tsutomu Akechi (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 12 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

Heat-Shrinkable Film

Laminated Body

Polyester Resin

Multilayer Film

Display Material

Fabric for Airbags

Gas Barrier Laminated Body

Cavity-Containing Film

Laser-Printable Film

Composite Membrane

Biosurfactant-Producing Microorganism

397 patents: Sort by Forward Citations

1. 12735541 - Biaxially oriented polyester film (2026-09-15),

2. 12703770 - Heat-shrinkable polyester film, heat-shrinkable label, and package product (2026-08-11),

3. 12655259 - Biaxially oriented polyester film and production method therefor (2026-06-16),

4. 12631813 - Polyethylene terephthalate-based resin film, and polarizer, transparent conductive film, touch panel, and image display device using same (2026-05-19),

5. 12612536 - Biaxially stretched polyester film (2026-04-28),

6. 12600830 - Biaxially oriented polypropylene film (2026-04-14),

7. 12583962 - White laminated polyester film (2026-03-24),

8. 12570795 - Polyester resin and method for producing blow-molded product made of polyester resin (2026-03-10),

9. 12565561 - Heat-shrinkable polyester-based film, heat-shrinkable label, and packaging body (2026-03-03),

10. 12548477 - Polarization plate for folding display (2026-02-10),

11. 12534749 - MONOACYLATED MEL-PRODUCING MICROORGANISM (2026-01-27),

12. 12516168 - Laminated polyester film (2026-01-06),

13. 12509564 - Heat-shrinkable polyester-based film roll (2025-12-30),

14. 12497506 - Heat-shrinkable polyester-based film roll (2025-12-16),

15. 12489044 - Method for producing layered body, layered body, and multilayered body (2025-12-02),

Company Overview

Toyobo Co., Ltd., headquartered in Osaka, Japan, specializes in advanced polyester film technology. The company is known for its development and manufacturing of biaxially oriented polyester films, heat-shrinkable films, and laminated bodies, which are essential in various applications including packaging and display materials. Additionally, Toyobo produces polyester resins and multilayer films, contributing to innovations in automotive safety with fabrics for airbags and gas barrier laminated bodies, reinforcing its commitment to quality and technological advancement.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

397 Patents

#50 in Osaka

#438 in Japan

#2,344 in the World

Toyobo Co., Ltd.

Forward Citations = 1,009

515 inventors:

Masayuki Haruta (51 out of 61 patents)

Shintaro Ishimaru (22 out of 22 patents)

Akira Shimizu (15 out of 16 patents)

4. Shotaro Nishio (15 out of 16 patents)

5. Tetsuo Okuyama (13 out of 14 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Toyobo Co., Ltd.. Retrieved from https://idiyas.com/company/toyobo-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]

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