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Idemitsu Unitech Co., Ltd.

USPTO Granted Patents = 60

CIPO Patents = 1

EPO Patents = 28

Trademarks = 3

Forward Citations = 183

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36 inventors (with patents filed for the assignee):

Kenichi Tanaka (18 out of 68 patents)

Takumi Todaka (15 out of 15 patents)

Ryo Katada (14 out of 14 patents)

4. Shuichi Goto (13 out of 25 patents)

5. Yoshinori Nanba (8 out of 8 patents)

6. Yoshinori Namba (4 out of 4 patents)

7. Tomoyuki Kitajima (4 out of 6 patents)

8. Kaname Kondo (3 out of 3 patents)

9. Shunichi Ito (3 out of 3 patents)

10. Hiroaki Yoshimura (2 out of 3 patents)

11. Raizo Kuge (2 out of 21 patents)

12. Hiroyuki Takahashi (2 out of 7 patents)

13. Takuto Ogawa (2 out of 3 patents)

14. Toshiya Sato (2 out of 2 patents)

15. Tomohiko Tamaoki (2 out of 2 patents)

Core Competencies:

Zipper Tape

Bag Manufacturing

Packaging Technology

Laminated Body

Film Processing

Easy-Open Container

Fastener Tape

Interlocking Device

Chuck Tape

Biaxially Oriented Nylon Film

Molded Product

Manufacturing Device

60 patents: Sort by Forward Citations

1. 12472718 - Zipper tape-equipped bag body, article housing method for zipper tape-equipped bag body, manufacturing method for zipper tape-equipped bag body, and manufacturing device for zipper tape-equipped bag body (2025-11-18),

2. 12279677 - Tape, zipper tape, and container with tape and method for manufacture therefor (2025-04-21),

3. 12258179 - Tape, zipper tape, tape-equipped container, and zipper tape-equipped container (2025-03-25),

4. 12214932 - Zipper tape and container equipped with zipper tape (2025-02-04),

5. 12122560 - Zipper tape, bag provided with zipper tape, and method for manufacturing bag provided with zipper tape (2024-10-22),

6. 12037178 - Bag-like container and bag-like container production method (2024-07-16),

7. 12011897 - Film processing device, bag manufacturing device, method for processing film, and method for manufacturing bag (2024-06-18),

8. 11999532 - Bag body, and manufacturing method and manufacturing device for bag body (2024-06-04),

9. 11897662 - Bag with attached zipper tape, manufacturing method of bag with attached zipper tape (2024-02-13),

10. 11882908 - Tape, zipper tape, and container with tape and method for manufacture therefor (2024-01-30),

11. 11845589 - Bag body, film body, and method for manufacturing bag body (2023-12-19),

12. 11649090 - Bag body provided with zipper tape, bag body, method for producing bag body, and device for producing bag body (2023-05-16),

13. 11542065 - Bag with attached zipper tape, manufacturing method of bag with attached zipper tape (2023-01-03),

14. 11414255 - Bag body and method for manufacturing bag body (2022-08-16),

15. 11370064 - Zipper tape, bag with zipper tape, method for manufacturing bag with zipper tape, long member-bonding method capable of favorably bonding long members, device therefor, and zipper tape-bonding device (2022-06-28),

Idemitsu Unitech Co., Ltd. is a global leader in the development, production, and distribution of high-performance chemicals. With a strong commitment to innovation and sustainability, the company provides a wide range of solutions for various industries including automotive, electronic materials, energy, and more. Idemitsu Unitech aims to contribute to a better future through its advanced products and technologies.

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

Company Badge

USPTO Data Jan 1 1976 - Jan 6 2026

60 Patents

#628 in Tokyo

#1,504 in Japan

#11,793 in the World

Idemitsu Unitech Co., Ltd.

Forward Citations = 183

36 inventors:

Kenichi Tanaka (18 out of 68 patents)

Takumi Todaka (15 out of 15 patents)

Ryo Katada (14 out of 14 patents)

4. Shuichi Goto (13 out of 25 patents)

5. Yoshinori Nanba (8 out of 8 patents)

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