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Maeda Corporation Limited

USPTO Granted Patents = 14

% Expired Patents = 7.1

EPO Patents = 6

Forward Citations = 113

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37 inventors (with patents filed for the assignee):

Sadao Maeda (3 out of 13 patents)

Kazuie Yamada (3 out of 4 patents)

Mamoru Kawaguchi (2 out of 3 patents)

4. Tatsuo Hatato (2 out of 3 patents)

5. Toshimasa Hirasawa (2 out of 4 patents)

6. Matabee Maeda (2 out of 2 patents)

7. Akira Uchida (2 out of 2 patents)

8. Masaaki Miyata (2 out of 2 patents)

9. Shinichi Igawa (2 out of 2 patents)

10. Hideto Karasawa (2 out of 2 patents)

11. Toshio Kodama (1 out of 1 patent)

12. Kimio Momose (1 out of 2 patents)

13. Takashi Sakai (1 out of 11 patents)

14. Kousaku Maeda (1 out of 1 patent)

15. Yasuo Watanabe (1 out of 1 patent)

14 patents: Sort by Forward Citations

1. 11648705 - Wood processing system (2023-05-16),

2. 9990415 - Data structure for representing information using expressions (2018-06-05),

3. 9609890 - Method for producing GABA mochi barley containing GABA and product thereof (2017-04-04),

4. 7284902 - Mixing tube and method of manufacturing the mixing tube (2007-10-23),

5. 6332707 - Kneader (2001-12-25),

6. 6159259 - Filter for compressed air (2000-12-12),

7. 5947600 - Static mixing method (1999-09-07),

8. 5915790 - Tunnel boring machine (1999-06-29),

9. 5888259 - Filter device for compressed air (1999-03-30),

10. 5843350 - Method of manufacturing layered structure (1998-12-01),

11. 5540085 - Method of measuring leakage position in impervious bottom sheet using (1996-07-30),

12. 5394659 - Openable and closeable roof construction (1995-03-07),

13. 5385592 - Filter device for compressed air (1995-01-31),

14. 5257485 - Openable and closeable roof construction (1993-11-02),

Maeda Corporation Limited is a Japanese construction company with a focus on civil engineering and building construction. Established in 1919, Maeda has a long history of delivering high-quality projects in Japan and internationally. Their expertise includes infrastructure development, environmental projects, and disaster recovery. Maeda is committed to sustainable practices and innovative solutions for the future.

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

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USPTO Data Jan 1 1976 - Sep 15 2026

14 Patents

#8 in Ehime

#3,571 in Japan

#42,118 in the World

Maeda Corporation Limited

Forward Citations = 113

37 inventors:

Sadao Maeda (3 out of 13 patents)

Kazuie Yamada (3 out of 4 patents)

Mamoru Kawaguchi (2 out of 3 patents)

4. Tatsuo Hatato (2 out of 3 patents)

5. Toshimasa Hirasawa (2 out of 4 patents)

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