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Mitsubishi Engineering-Plastics Corporation

USPTO Granted Patents = 139

% Expired Patents = 3.6

EPO Patents = 93

Trademarks = 7

Forward Citations = 854

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161 inventors (with patents filed for the assignee):

Yasushi Yamanaka (14 out of 18 patents)

Toshiki Monden (11 out of 16 patents)

Ryusuke Yamada (7 out of 8 patents)

4. Takahiro Takano (7 out of 11 patents)

5. Yoshihiro Kurasawa (7 out of 7 patents)

6. Keisuke Tomita (6 out of 9 patents)

7. Michio Nakata (6 out of 6 patents)

8. Hiroshi Nakano (6 out of 45 patents)

9. Kiyoji Takagi (6 out of 8 patents)

10. Hiroyuki Imaizumi (6 out of 6 patents)

11. Hiroshi Urabe (6 out of 6 patents)

12. Satoshi Kanayama (6 out of 6 patents)

13. Shinya Miya (6 out of 6 patents)

14. Naoto Obayashi (6 out of 8 patents)

15. Atsushi Motegi (5 out of 5 patents)

Core Competencies:

Polycarbonate Resin

Thermoplastic Resin

Flame Retardant

Polyamide Resin

Polybutylene Terephthalate

Polyacetal Resin

Molded Article

Laser Direct Structuring

Composite Molding

Optical Component

Resin Composition

Injection Molded Article

139 patents: Sort by Forward Citations

1. 12397475 - Method for producing flame retardant polycarbonate resin composition pellet (2025-08-26),

2. D1079532 - Ear cuff (2025-06-17),

3. 12031032 - Thermoplastic resin including a flame retardant and organopolysiloxane (2024-07-09),

4. 11613629 - Polycarbonate resin composition pellet, method for producing pellet, and molded article thereof (2023-03-28),

5. 11613626 - Polycarbonate resin composition (2023-03-28),

6. 11608426 - Polycarbonate resin composition (2023-03-21),

7. 11603467 - Polycarbonate resin composition (2023-03-14),

8. 11597827 - Resin composition, pellet, composite molded article, method for manufacturing composite molded article and tank (2023-03-07),

9. D970620 - Color sample plate (2022-11-22),

10. 11441031 - Thermoplastic resin composition, molded article, method for manufacturing thermoplastic resin composition, and, method for manufacturing plated molded article (2022-09-13),

11. 11427679 - Polycarbonate resin composition (2022-08-30),

12. 11397372 - Molded article and method for manufacturing molded article (2022-07-26),

13. 11390037 - Laser welded body (2022-07-19),

14. 11384237 - Polyacetal resin composition, molded article and method for manufacturing polyacetal resin composition (2022-07-12),

15. 11198785 - Polycarbonate resin composition (2021-12-14),

Mitsubishi Engineering-Plastics Corporation is a global leader in the production and supply of high-performance engineering plastics. With a wide range of advanced materials, Mitsubishi Engineering-Plastics serves various industries such as automotive, electrical and electronic, and consumer goods. The company is committed to providing innovative solutions and satisfying customer needs through continuous research and development.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

Mitsubishi Engineering-Plastics Corporation

139 Patents

#445 in Tokyo

#901 in Japan

#5,802 in the World

Mitsubishi Engineering-Plastics Corporation

Forward Citations = 854

161 inventors:

Yasushi Yamanaka (14 out of 18 patents)

Toshiki Monden (11 out of 16 patents)

Ryusuke Yamada (7 out of 8 patents)

4. Takahiro Takano (7 out of 11 patents)

5. Yoshihiro Kurasawa (7 out of 7 patents)

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