Forward Citations = 18

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9 inventors (with patents filed for the assignee):

Masamichi Yamamoto (4 out of 18 patents)

Hiroshi Kobayashi (4 out of 56 patents)

Yoshiharu Ueda (4 out of 5 patents)

4. Keiryo Tou (2 out of 3 patents)

5. Seikan Ishigai (2 out of 2 patents)

6. Sentaro Miura (2 out of 2 patents)

7. Kiyoshi Furushima (2 out of 2 patents)

8. Atsumi Kaminashi (2 out of 2 patents)

9. Masanari Kinoshita (2 out of 2 patents)

4 patents: Sort by Forward Citations

1. 5746159 - Combustion device in tube nested boiler and its method of combustion (1998-05-05),

2. 5482009 - Combustion device in tube nested boiler and its method of combustion (1996-01-09),

3. 5419284 - Exhaust-gas fully fired type boiler and method of waste heat recovery (1995-05-30),

4. 5303544 - Gas turbine system with a tube-nested combustion chamber type combustor (1994-04-19),

Hirakawa Guidom Corporation is a leading construction company specializing in commercial and residential projects. With a strong focus on quality craftsmanship and customer satisfaction, we offer a wide range of services including design, construction, and project management. Our team of experienced professionals is committed to delivering innovative and sustainable solutions to meet the unique needs of each client. For more information, visit our website.

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USPTO Data Jan 1 1976 - Dec 30 2025

4 Patents

#708 in Osaka

#7,416 in Japan

Osaka, Japan

Hirakawa Guidom Corporation