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Ishikawa, Japan

Asahi Engineering Co., Ltd.

USPTO Granted Patents = 15

% Expired Patents = 53.3

EPO Patents = 3

Forward Citations = 93

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25 inventors (with patents filed for the assignee):

Mitsuhiro Tokuno (8 out of 9 patents)

Fumihiro Saito (6 out of 7 patents)

Kazutoshi Tsuda (3 out of 4 patents)

4. Hideo Yoshida (2 out of 17 patents)

5. Seizo Miyata (2 out of 20 patents)

6. Masato Sone (2 out of 14 patents)

7. Nobuyoshi Sato (2 out of 11 patents)

8. Toshio Hashiguchi (2 out of 2 patents)

9. Nobuo Myojin (2 out of 2 patents)

10. Nobuo Iwase (2 out of 2 patents)

11. Tetsuya Hayashi (2 out of 2 patents)

12. Takanori Nakamura (1 out of 10 patents)

13. Seio Takeshima (1 out of 1 patent)

14. Yoshiaki Nakai (1 out of 1 patent)

15. Mamoru Sindome (1 out of 1 patent)

15 patents: Sort by Forward Citations

1. 10767333 - Construction method for foundation pile (2020-09-08),

2. 10036130 - Slab bridge structure (2018-07-31),

3. 8370983 - Rigid connection structure of bridge pier and concrete girder (2013-02-12),

4. 7857952 - Method for treating the surface of object and apparatus thereof (2010-12-28),

5. 7469439 - Floor slab bridge structure (2008-12-30),

6. 7418804 - Floor structure (2008-09-02),

7. 7373760 - Floor structure (2008-05-20),

8. RE40064 - Structure of floor slab bridge (2008-02-18),

9. 7323096 - Method for treating the surface of object and apparatus thereof (2008-01-29),

10. 6892410 - Reinforcement structure of truss bridge or arch bridge (2005-05-17),

11. 6068872 - Vacuum-heat processing method (2000-05-30),

12. 5988051 - Vacuum-heat processing apparatus (1999-11-23),

13. 5354542 - Movable tank type multi-purpose batch production system (1994-10-11),

14. 4656948 - Water containing explosive cartridge and preparation thereof (1987-04-14),

15. 4351252 - Method for treating water solution of waste material containing salt of (1982-09-28),

Asahi Engineering Co., Ltd. is a prominent Japanese company based in Ishikawa, specializing in the development and manufacturing of advanced engineering solutions. The company focuses on various sectors, including environmental technology, water treatment systems, and industrial machinery. With a commitment to innovation, Asahi Engineering leverages cutting-edge research to enhance operational efficiency and sustainability across its product offerings, contributing significantly to the engineering landscape in Japan and beyond.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

15 Patents

#13 in Ishikawa

#3,442 in Japan

#39,881 in the World

Ishikawa, Japan

Asahi Engineering Co., Ltd.

Forward Citations = 93

25 inventors:

Mitsuhiro Tokuno (8 out of 9 patents)

Fumihiro Saito (6 out of 7 patents)

Kazutoshi Tsuda (3 out of 4 patents)

4. Hideo Yoshida (2 out of 17 patents)

5. Seizo Miyata (2 out of 20 patents)

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