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Mitsubishi Denki K.k.

USPTO Granted Patents = 488

EPO Patents = 20

Forward Citations = 6,107

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571 inventors (with patents filed for the assignee):

Toshio Iwata (14 out of 75 patents)

Shuzou Isozumi (13 out of 29 patents)

Takuji Magara (12 out of 48 patents)

4. Shunichi Wada (11 out of 69 patents)

5. Shigemi Murata (11 out of 60 patents)

6. Shuzoo Isozumi (10 out of 65 patents)

7. Takeshi Sugiyama (9 out of 56 patents)

8. Keiichi Konishi (8 out of 47 patents)

9. Osamu Matsumoto (7 out of 62 patents)

10. Toshinori Tanaka (7 out of 98 patents)

11. Wataru Fukui (7 out of 97 patents)

12. Yutaka Kitamura (6 out of 39 patents)

13. Takeshi Iwasaki (6 out of 11 patents)

14. Mitsuhiro Nishida (6 out of 24 patents)

15. Mitsuharu Morishita (6 out of 82 patents)

Core Competencies:

Optical Amplifier

Image-Signal Modulation

Nitrogen Oxide Sensor

Complex Magnetic Head

Pulsed Arc Welding

Dynamic Simulation

Electric Vehicle Power Supply

Ignition System

Thermal Printer Control

Strain Detection

Navigation Device

EDM Apparatus

488 patents: Sort by Forward Citations

1. 7471344 - Display apparatus periodically modulating image-signal characteristics (2008-12-30),

2. 7365902 - Optical amplifier and optical communication system (2008-04-29),

3. 7227953 - MPEG data recorder having IEEE 1394 interface (2007-06-05),

4. 6441333 - Green compact electrode for discharge surface treatment and method of manufacturing green compact electrode for discharge surface treatment (2002-08-27),

5. 6400530 - Complex magnetic head and manufacturing method of complex magnetic head core (2002-06-04),

6. 6377890 - Navigator (2002-04-23),

7. 6259989 - Navigation device (2001-07-10),

8. 5863503 - Nitrogen oxide detecting sensor and method of manufacturing the same (1999-01-26),

9. 5404418 - Closed-loop feedback control system having an adaptive filter (1995-04-04),

10. 5386421 - Image memory diagnostic system (1995-01-31),

11. 5373826 - Ignition apparatus for an internal combustion engine having a current (1994-12-20),

12. 5336954 - Drain unit of starter (1994-08-09),

13. 5306998 - Protection control circuit for a variable speed hoisting device (1994-04-26),

14. 5301546 - Misfire detecting device for internal combustion engine (1994-04-12),

15. 5293500 - Parallel processing method and apparatus (1994-03-08),

Mitsubishi Electric is a leading global company that specializes in the manufacture and sales of electrical and electronic equipment. Established in 1921, Mitsubishi Electric has a wide range of products and services in various industries, including energy and electric systems, industrial automation, home appliances, information and communication systems, and more. With a commitment to innovation, quality, and sustainability, Mitsubishi Electric continues to strive towards a better future.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

488 Patents

#169 in Tokyo

#380 in Japan

#1,917 in the World

Mitsubishi Denki K.k.

Forward Citations = 6,107

571 inventors:

Toshio Iwata (14 out of 75 patents)

Shuzou Isozumi (13 out of 29 patents)

Takuji Magara (12 out of 48 patents)

4. Shunichi Wada (11 out of 69 patents)

5. Shigemi Murata (11 out of 60 patents)

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