For the Inventor, By the Inventor

Enter assignee name

Unitika Ltd.

USPTO Granted Patents = 392

CIPO Patents = 2

EPO Patents = 72

Trademarks = 12

Forward Citations = 4,215

Loading Chart...

Loading Chart...

650 inventors (with patents filed for the assignee):

Yoshiaki Echigo (30 out of 38 patents)

Hiroshi Nakajima (23 out of 72 patents)

Shigemitsu Murase (18 out of 18 patents)

4. Kunihiko Takagi (14 out of 14 patents)

5. Kazue Ueda (13 out of 13 patents)

6. Michiaki Hagiwara (12 out of 13 patents)

7. Fumio Matsuoka (11 out of 11 patents)

8. Keiichi Asami (11 out of 11 patents)

9. Kenjin Shiba (10 out of 10 patents)

10. Isao Tomioka (10 out of 10 patents)

11. Hitoshi Kondo (10 out of 36 patents)

12. Tsuyoshi Masumoto (10 out of 49 patents)

13. Takayoshi Okuzu (9 out of 9 patents)

14. Akira Shigeta (9 out of 9 patents)

15. Minoru Kishida (9 out of 9 patents)

Core Competencies:

Polyester Film

Gas Barrier Laminate

Water Purification Filter

Activated Carbon

Polyamide Resin

Laminated Film

Epoxy Resin

Nonwoven Fabric

Ferromagnetic Nanowires

Light Diffusion Sheet

Porous Polyamide Membrane

Bismaleimide Products

392 patents: Sort by Forward Citations

1. 12528116 - Nickel nanowire and method for producing the same (2026-01-20),

2. 12503549 - Biaxially-stretched polyester resin film and manufacturing method for same (2025-12-23),

3. 12486368 - Polyester film and method for producing same (2025-12-02),

4. 12479195 - Gas barrier laminate and method for manufacturing same (2025-11-25),

5. 12428532 - Method for producing polyamide resin film (2025-09-30),

6. 12421387 - Polyester film and method for producing same (2025-09-23),

7. 12377400 - Water purification filter (2025-08-05),

8. 12264420 - Method for thermal molding of filament product (2025-04-01),

9. 12258284 - Activated carbon (2025-03-25),

10. 12234162 - Water purification cartridge (2025-02-25),

11. 12180347 - Laminated film and method for manufacturing same (2024-12-31),

12. 12180339 - Flexible polyamide (2024-12-31),

13. 12048914 - Deodorizing material, method for producing the same, deodorization method, and deodorizing sheet (2024-07-30),

14. 12012491 - Method for producing polyamide resin film (2024-06-18),

15. 11965072 - Semiaromatic polyamide film and laminate obtained therefrom (2024-04-23),

Unitika Ltd. is a Japanese company engaged in the manufacture and sale of chemical products, textiles, and advanced materials. With over a century of history, Unitika has expanded its presence globally and offers a wide range of innovative products across various industries such as automotive, electronics, energy, and more. Their commitment to sustainability and technological advancements enables them to contribute to a better future.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 20 2026

392 Patents

#5 in Hyogo

#431 in Japan

#2,303 in the World

Unitika Ltd.

Forward Citations = 4,215

650 inventors:

Yoshiaki Echigo (30 out of 38 patents)

Hiroshi Nakajima (23 out of 72 patents)

Shigemitsu Murase (18 out of 18 patents)

4. Kunihiko Takagi (14 out of 14 patents)

5. Kazue Ueda (13 out of 13 patents)

Please report any incorrect information to support@idiyas.com

Loading…