For the Inventor, By the Inventor

Enter assignee name

Mitsubishi Gas Chemical Company, Inc.

USPTO Granted Patents = 2,245

CIPO Patents = 25

EPO Patents = 921

Trademarks = 93

Forward Citations = 13,099

Loading Chart...

Loading Chart...

1,813 inventors (with patents filed for the assignee):

Masatoshi Echigo (63 out of 63 patents)

Akitoshi Sugio (50 out of 51 patents)

Tomoyuki Yui (47 out of 47 patents)

4. Morio Gaku (46 out of 47 patents)

5. Jun Mitadera (43 out of 43 patents)

6. Hiroshi Horikoshi (42 out of 77 patents)

7. Masahiro Johno (42 out of 42 patents)

8. Noriyuki Kato (41 out of 44 patents)

9. Nobuyuki Ikeguchi (41 out of 41 patents)

10. Motoharu Takeuchi (39 out of 40 patents)

11. Mitsuharu Kitamura (35 out of 35 patents)

12. Kenji Ishii (33 out of 253 patents)

13. Takafumi Oda (32 out of 32 patents)

14. Tomonori Kato (32 out of 34 patents)

15. Hidefumi Harada (32 out of 36 patents)

Core Competencies:

Optical Materials

Flame-Retardant Polyimide

Carbonate Esters

Multilayered Bodies

Photosensitive Resins

Solid Electrolyte Powders

Polycarbonate Resins

Epoxy Resin Compositions

Hydraulic Pumps

Sterilization Methods

Gas Barrier Films

Polyurethane Resins

2,245 patents: Sort by Forward Citations

1. 12486352 - Composition, and optical material and lens using same (2025-12-02),

2. 12466935 - Flame-retardant polyimide shaping material and shaped body (2025-11-11),

3. 12459884 - Method for producing carbonate esters, and catalytic structure for producing carbonate esters (2025-11-04),

4. 12447717 - Multilayered body and method for manufacturing same (2025-10-21),

5. 12441842 - Polyimide resin, photosensitive resin composition, resin film, and electronic device (2025-10-14),

6. 12422096 - Liner and pressure vessel (2025-09-23),

7. 12422063 - Hose, method for manufacturing hose, and hydraulic pump (2025-09-23),

8. 12421121 - Method for producing halogenated carbonyl (2025-09-23),

9. 12415347 - Epoxy resin composition, gas barrier multilayer body, retort food packaging material, packaging material for deodorization or aroma retention, heat shrinkable label and method for producing same, heat shrunk label and bottle having same (2025-09-16),

10. 12407026 - Method for producing all-solid-state battery (2025-09-02),

11. 12407015 - Method for producing solid electrolyte powder, and method for producing all solid state battery (2025-09-02),

12. 12404404 - Polyimide resin composition and molded body (2025-09-02),

13. 12404363 - Epoxy resin composition and cured product of same (2025-09-02),

14. 12398230 - Curing resin composition, curing method therefor, and molded article (2025-08-26),

15. 12384916 - Resin composition, cured product, prepreg, metal foil-clad laminate, resin sheet, and printed wiring board (2025-08-12),

Mitsubishi Gas Chemical Company, Inc. is a global chemical company headquartered in Tokyo, Japan. With a history of over 100 years, the company is engaged in the manufacturing and sale of a wide range of chemical products, including basic chemicals, performance materials, and healthcare-related chemicals. Mitsubishi Gas Chemical Company aims to contribute to society through innovative solutions and technologies in various fields such as energy, environment, and healthcare.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

2,245 Patents

#52 in Tokyo

#108 in Japan

#436 in the World

Mitsubishi Gas Chemical Company, Inc.

Forward Citations = 13,099

1,813 inventors:

Masatoshi Echigo (63 out of 63 patents)

Akitoshi Sugio (50 out of 51 patents)

Tomoyuki Yui (47 out of 47 patents)

4. Morio Gaku (46 out of 47 patents)

5. Jun Mitadera (43 out of 43 patents)

Please report any incorrect information to support@idiyas.com

Loading…