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Mitsubishi Corporation

USPTO Granted Patents = 98

CIPO Patents = 2

EPO Patents = 12

Trademarks = 19

Forward Citations = 2,845

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143 inventors (with patents filed for the assignee):

Makoto Saito (24 out of 98 patents)

Hiroyuki Harada (6 out of 40 patents)

Donald Ray Huffman (4 out of 6 patents)

4. Ryuji Monden (4 out of 59 patents)

5. Kunio Kondo (4 out of 59 patents)

6. Wolfgang Krätschmer (4 out of 4 patents)

7. Takeshi Igarashi (3 out of 59 patents)

8. Eiji Inoue (3 out of 66 patents)

9. Eiki Tsushima (3 out of 5 patents)

10. Kazuyuki Murakami (3 out of 3 patents)

11. Susumu Katagiri (3 out of 3 patents)

12. Jun Imamura (3 out of 5 patents)

13. Yoshio Uchiyama (3 out of 9 patents)

14. Junya Nakatani (3 out of 8 patents)

15. Shunichi Momiki (3 out of 3 patents)

Core Competencies:

Polishing Method

Lubricating Oil Composition

Fullerene Derivative

Heat Exchanger

Power Converter

Sintered Magnet Production

Pharmaceutical Compositions

Carbon Fiber Composite

Data Management System

Digital Content Management

Automotive Battery Plug

Data Copyright Management

98 patents: Sort by Forward Citations

1. 12421423 - Polishing method, machine device manufacturing method, and machine device (2025-09-23),

2. 12205070 - Product return/replacement system, product return/replacement server, and product return/replacement device (2025-01-21),

3. 12049601 - Method for producing lubricating oil composition, and lubricating oil composition (2024-07-30),

4. 11932820 - Lubricating oil composition and method for producing lubricating oil composition (2024-03-19),

5. 11407960 - Lubricating oil composition and method for producing same (2022-08-09),

6. 11136298 - Method for producing fullerene derivative (2021-10-05),

7. 10526293 - Method for producing fullerene derivative (2020-01-07),

8. 10343972 - Fullerene derivative, fluororesin composition, and lubricant (2019-07-09),

9. 9879921 - Heat exchanger and refrigeration cycle device including the heat exchanger (2018-01-30),

10. 9806594 - Drive device for power converter and driving method of power converter (2017-10-31),

11. 9469203 - Battery information output equipment for power supply and demand leveling system (2016-10-18),

12. 9340117 - Power supply and demand leveling system (2016-05-17),

13. 8657593 - Sintered magnet production system (2014-02-25),

14. 8488344 - Electrical power conversion apparatus including a control microprocessor for eliminating or curbing a beat phenomenon (2013-07-16),

15. 8395037 - Pharmaceutical compositions for treating/preventing motor organ diseases (2013-03-12),

Mitsubishi Corporation is a global integrated business enterprise that develops and operates businesses across a wide range of industries including finance, energy, machinery, chemicals, and more. With over 200 offices in over 90 countries, Mitsubishi Corporation aims to contribute to the sustainable development of society through its diverse operations and a commitment to corporate responsibility.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

98 Patents

#481 in Tokyo

#1,116 in Japan

#7,688 in the World

Mitsubishi Corporation

Forward Citations = 2,845

143 inventors:

Makoto Saito (24 out of 98 patents)

Hiroyuki Harada (6 out of 40 patents)

Donald Ray Huffman (4 out of 6 patents)

4. Ryuji Monden (4 out of 59 patents)

5. Kunio Kondo (4 out of 59 patents)

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