Forward Citations = 126

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6 inventors (with patents filed for the assignee):

Hiroaki Kohama (4 out of 4 patents)

Kazuhiko Yasohama (3 out of 3 patents)

Hirofumi Takahashi (1 out of 11 patents)

4. Makio Iwamoto (1 out of 1 patent)

5. Takayuki Yamaki (1 out of 1 patent)

6. Ichiro Fujitomi (1 out of 1 patent)

4 patents: Sort by Forward Citations

1. 7696747 - Electromagnetic induction type inspection device and method (2010-04-13),

2. 5689183 - Electromagnetic-induction type inspection device employing two induction (1997-11-18),

3. 5548214 - Electromagnetic induction inspection apparatus and method employing (1996-08-20),

4. 5432444 - Inspection device having coaxial induction and exciting coils forming a (1995-07-11),

Kaisei Engineer Co., Ltd. is a leading engineering company specializing in construction and infrastructure projects. With a strong emphasis on quality and innovation, we provide a wide range of services including design, planning, and project management. Our team of experienced professionals is dedicated to delivering outstanding results for our clients while adhering to strict safety standards. Visit our website to learn more about our company and the services we offer.

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USPTO Data Jan 1 1976 - Dec 9 2025

4 Patents

#235 in Kanagawa

#7,416 in Japan

Kanagawa, Japan

Kaisei Engineer Co., Ltd.