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Hitachi Engineering Co., Ltd.

USPTO Granted Patents = 162

CIPO Patents = 1

Forward Citations = 2,737

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550 inventors (with patents filed for the assignee):

Koyo Katsura (20 out of 91 patents)

Shigeru Matsuo (12 out of 74 patents)

Hideo Maejima (9 out of 66 patents)

4. Hisashi Kajiwara (9 out of 11 patents)

5. Tadaaki Bandoh (8 out of 41 patents)

6. Hidekazu Matsumoto (8 out of 13 patents)

7. Haruki Inoue (8 out of 10 patents)

8. Mitsuhiko Okutsu (7 out of 11 patents)

9. Masahisa Narita (7 out of 10 patents)

10. Hisashi Kaziwara (7 out of 9 patents)

11. Takeshi Asai (7 out of 7 patents)

12. Jun Sato (6 out of 39 patents)

13. Shigeki Morinaga (6 out of 59 patents)

14. Takashi Sone (6 out of 17 patents)

15. Masakazu Yahiro (6 out of 10 patents)

Core Competencies:

Packet Communication

Perfluorocarbon Processing

Automobile Manufacturing

Frequency Offset Cancellation

Semiconductor Integrated Circuit

Magnetic Resonance Imaging

Chemical Decontamination

Nonvolatile Semiconductor Memory

Graphics Drawing Device

Electric Power Conversion

Turbine Disassembly

Data Communication

162 patents: Sort by Forward Citations

1. 7814223 - Packet communication device, packet communication system, packet communication system, packet communication module, data processor, and data transfer system (2010-10-12),

2. 7641867 - Apparatus for processing perfluorocarbon (2010-01-05),

3. 7577485 - Automobile manufacturing line input order planning apparatus (2009-08-18),

4. 7386067 - Frequency offset cancellation circuit for data determination in wireless communications (2008-06-10),

5. 7382681 - Semiconductor integrated circuit (2008-06-03),

6. 7367192 - Combined cycle plant (2008-05-06),

7. 7310717 - Data transfer control unit with selectable transfer unit size (2007-12-18),

8. 7307421 - Magnetic resonance imaging device (2007-12-11),

9. 7287430 - Method of evaluating connected portions, method of connecting electrical winding conductors and apparatus therefor (2007-10-30),

10. 7276908 - Magnetic resonance imaging apparatus with suppressed noise (2007-10-02),

11. 7196967 - Semiconductor integrated circuit (2007-03-27),

12. 7193929 - Semiconductor integrated circuit (2007-03-20),

13. 7142213 - Graphics drawing device and method (2006-11-28),

14. 7141221 - Apparatus for processing perfluorocarbon (2006-11-28),

15. 7136433 - Frequency offset cancellation circuit for data determination in FM wireless communications (2006-11-14),

Hitachi Engineering Co., Ltd. is a leading international engineering company specializing in various fields such as construction, industrial machinery, and systems engineering. With a vision for innovation and customer satisfaction, Hitachi Engineering aims to provide cutting-edge solutions to meet the dynamic demands of the industry. Through their extensive expertise and wide range of services, they contribute to the development of society and strive to create a sustainable future.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

162 Patents

#358 in Tokyo

#797 in Japan

#4,953 in the World

Hitachi Engineering Co., Ltd.

Forward Citations = 2,737

550 inventors:

Koyo Katsura (20 out of 91 patents)

Shigeru Matsuo (12 out of 74 patents)

Hideo Maejima (9 out of 66 patents)

4. Hisashi Kajiwara (9 out of 11 patents)

5. Tadaaki Bandoh (8 out of 41 patents)

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