EPO Patents = 1

Forward Citations = 25

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2 inventors (with patents filed for the assignee):

Hideaki Irisawa (3 out of 4 patents)

Shigeki Wakuda (1 out of 1 patent)

Hideaki c/o Sanriki Kokyo Kabushiki K Irisawa (0 patent)

4 patents: Sort by Forward Citations

1. 8307676 - Openable and closable two-pronged body holding device (2012-11-13),

2. 8152697 - Exercise tool (2012-04-10),

3. 7287874 - Portable signal light, vehicle guidance tool and vehicle guidance method (2007-10-30),

4. 6431354 - Picture frame type cover for disk storage case (2002-08-13),

Sanriki Kogyo Kabushiki Kaisha is a leading construction company in Japan, specializing in civil engineering, building construction, and road paving. With over 50 years of experience, we provide high-quality construction services and innovative solutions to our clients while prioritizing safety and sustainability.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

4 Patents

#2,784 in Tokyo

#7,410 in Japan

Tokyo, Japan

Sanriki Kogyo Kabushiki Kaisha

Forward Citations = 25

2 inventors:

Hideaki Irisawa (3 out of 4 patents)

Shigeki Wakuda (1 out of 1 patent)

Hideaki c/o Sanriki Kokyo Kabushiki K Irisawa (0 patent)

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1 patent (EPO):

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