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Mitsubishi Plastics, Inc.

USPTO Granted Patents = 116

% Expired Patents = 29.3

CIPO Patents = 2

EPO Patents = 66

Trademarks = 13

Forward Citations = 755

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153 inventors (with patents filed for the assignee):

Jun Takagi (15 out of 26 patents)

Kouichirou Taniguchi (12 out of 17 patents)

Takeyoshi Yamada (12 out of 12 patents)

4. Shigenobu Yoshida (12 out of 12 patents)

5. Makoto Inenaga (11 out of 17 patents)

6. Tooru Hachisuka (10 out of 10 patents)

7. Yasushi Usami (10 out of 10 patents)

8. Chiharu Okawara (10 out of 11 patents)

9. Takashi Hiruma (9 out of 9 patents)

10. Masato Fujita (8 out of 15 patents)

11. Taishi Kawasaki (6 out of 12 patents)

12. Kahoru Niimi (6 out of 10 patents)

13. Takahisa Uchida (6 out of 6 patents)

14. Kazuya Tanaka (6 out of 22 patents)

15. Tomoyuki Nemoto (5 out of 9 patents)

Core Competencies:

Polyester Film

Adhesive Sheet

Gas Barrier Laminate

Double-Sided Adhesive

Laminated Film

Porous Film

Solar Cell Materials

Nonaqueous Electrolyte

Heat-Shrinkable Film

Electro-Acoustic Diaphragm

Transition-Metal Zeolite

Polycarbonate Resin

116 patents: Sort by Forward Citations

1. 9650546 - Double-sided adhesive sheet for image display device, double-sided adhesive sheet with release film for image display device, and image display device using same (2017-05-16),

2. 9650191 - Vapor-deposited film having barrier performance (2017-05-16),

3. 9574111 - Transparent double-sided adhesive sheet for image display device and image display device using the same (2017-02-21),

4. 9523000 - Polyester film (2016-12-20),

5. 9517942 - Transition-metal-containing zeolite (2016-12-13),

6. 9507056 - Laminated polyester film (2016-11-29),

7. 9481155 - Method for producing laminate for configuring image display device, and image display device using the laminate (2016-11-01),

8. 9481154 - Method for producing laminate for configuring image display device, and image display device using the laminate (2016-11-01),

9. 9458342 - Laminated polyester film (2016-10-04),

10. 9441141 - Transparent double-sided adhesive sheet for image display device and image display device using the same (2016-09-13),

11. 9419266 - Polyolefin resin porous film, and non-aqueous electrolyte cell separator using same (2016-08-16),

12. 9409787 - Transition-metal-containing zeolite (2016-08-09),

13. 9394465 - Transparent adhesive sheet and image display device (2016-07-19),

14. 9387457 - Water vapor adsorbent for adsorption heat pump, method for producing water vapor adsorbent, and adsorption heat pump including water vapor adsorbent (2016-07-12),

15. 9353293 - Transparent double-sided adhesive sheet for image display device and image display device using the same (2016-05-31),

Company Overview

Mitsubishi Plastics, Inc., headquartered in Tokyo, Japan, specializes in advanced polyester film technology. The company develops a diverse range of products, including adhesive sheets, gas barrier laminates, and double-sided adhesive films, catering to various industries. Their expertise extends to laminated films, porous films, solar cell materials, and nonaqueous electrolytes, positioning them as a key player in innovative material solutions. Mitsubishi Plastics is committed to enhancing product performance and sustainability through continuous research and development.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

116 Patents

#505 in Tokyo

#1,033 in Japan

#6,853 in the World

Mitsubishi Plastics, Inc.

Forward Citations = 755

153 inventors:

Jun Takagi (15 out of 26 patents)

Kouichirou Taniguchi (12 out of 17 patents)

Takeyoshi Yamada (12 out of 12 patents)

4. Shigenobu Yoshida (12 out of 12 patents)

5. Makoto Inenaga (11 out of 17 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Mitsubishi Plastics, Inc.. Retrieved from https://idiyas.com/company/mitsubishi-plastics

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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