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Mitsui Chemicals Tohcello, Inc.

USPTO Granted Patents = 60

EPO Patents = 32

Trademarks = 1

Forward Citations = 56

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76 inventors (with patents filed for the assignee):

Eiji Hayashishita (17 out of 19 patents)

Shigenobu Ikenaga (10 out of 24 patents)

Hiroyoshi Kurihara (9 out of 12 patents)

4. Fumito Takeuchi (9 out of 17 patents)

5. Tomoaki Ito (8 out of 14 patents)

6. Akimitsu Morimoto (7 out of 7 patents)

7. Jin Kinoshita (6 out of 8 patents)

8. Kouji Igarashi (5 out of 5 patents)

9. Toru Miura (4 out of 57 patents)

10. Jun Kamada (4 out of 14 patents)

11. Kazuhiro Yarimizu (4 out of 4 patents)

12. Keiji Watanabe (4 out of 5 patents)

13. Nobuhiro Maruko (3 out of 9 patents)

14. Masaaki Odoi (3 out of 3 patents)

15. Shingo Suzuki (3 out of 3 patents)

Core Competencies:

Gas Barrier Coating Material

Adhesive Film

Semiconductor Device

Component Manufacturing

Electronic Device

Encapsulating Material

Thermal Transfer Sheet

Polyfunctional Polymer

Pressure-Sensitive Adhesive

Protection Film

Gas Barrier Film

Solar Cell Module

60 patents: Sort by Forward Citations

1. 12172816 - Packaging body (2024-12-24),

2. 12165904 - Component manufacturing device and component manufacturing method (2024-12-10),

3. 12142522 - Method for manufacturing electronic device (2024-11-12),

4. 12106974 - Method for manufacturing electronic device (2024-10-01),

5. 12103288 - Affixing device (2024-10-01),

6. 12068188 - Component producing method, holding film, and holding tool forming device (2024-08-20),

7. 12064946 - Protection film, method for affixing same, and method for manufacturing semiconductor component (2024-08-20),

8. 12018137 - Gas barrier coating material, gas barrier film, gas barrier laminate, and method for producing gas barrier laminate (2024-06-25),

9. 11984341 - Component-manufacturing tool and component-manufacturing method (2024-05-14),

10. 11942349 - Film for component manufacture and component manufacturing method (2024-03-26),

11. 11848215 - Method for manufacturing electronic device (2023-12-19),

12. 11840652 - Adhesive film and method for manufacturing electronic device (2023-12-12),

13. 11747388 - Method for manufacturing electronic apparatus, adhesive film for manufacturing electronic apparatus, and electronic component testing apparatus (2023-09-05),

14. 11746201 - Gas barrier polymer and gas barrier laminate using same (2023-09-05),

15. 11535776 - Film for manufacturing semiconductor parts (2022-12-27),

Mitsui Chemicals Tohcello, Inc. is a leading manufacturer of high-performance packaging films and resins. With a strong focus on innovation and sustainability, the company produces a wide range of products including BOPP films, adhesive tapes, synthetic paper, and more. Their advanced technologies and extensive experience in the industry enable them to meet the diverse needs of various industries such as food and beverages, healthcare, electronics, and industrial sectors.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

60 Patents

#630 in Tokyo

#1,506 in Japan

#11,787 in the World

Mitsui Chemicals Tohcello, Inc.

Forward Citations = 56

76 inventors:

Eiji Hayashishita (17 out of 19 patents)

Shigenobu Ikenaga (10 out of 24 patents)

Hiroyoshi Kurihara (9 out of 12 patents)

4. Fumito Takeuchi (9 out of 17 patents)

5. Tomoaki Ito (8 out of 14 patents)

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