EPO Patents = 1

Forward Citations = 45

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6 inventors (with patents filed for the assignee):

Sakae Sano (3 out of 3 patents)

Hisashi Kitajima (2 out of 4 patents)

Hiroshi Iimori (2 out of 2 patents)

4. Tadashi Nishio (2 out of 2 patents)

5. Kenneth Latimer Scott (1 out of 1 patent)

6. Shinkichi Ohoka (1 out of 1 patent)

7. Kenneth L Scott (0 patent)

4 patents: Sort by Forward Citations

1. 8191580 - Method of lining pre-existing pipes or passages and apparatus therefor (2012-06-05),

2. 4545702 - Boring-injection device, method for improving ground by means of the (1985-10-08),

3. 4514112 - Method for injecting grouting agent and apparatus for conducting the (1985-04-30),

4. 4403891 - Stabilizer for excavated surface (1983-09-13),

Toa Grout Kogyo Co., Ltd. is a leading company specializing in construction materials, focusing on grouting and waterproofing solutions. With over 70 years of experience, they deliver high-quality products and services for various industries such as civil engineering, infrastructure, and building construction. Their innovative solutions have earned them a strong reputation in the market.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 16 2025

4 Patents

#2,786 in Tokyo

#7,420 in Japan

Tokyo, Japan

Toa Grout Kogyo Co., Ltd.