Forward Citations = 66

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10 inventors (with patents filed for the assignee):

Seiichi Ozawa (3 out of 3 patents)

Osamu Suzuki (2 out of 35 patents)

Kanjiro Ishizaki (2 out of 4 patents)

4. Takafumi Naito (1 out of 2 patents)

5. Seiji Kaneko (1 out of 2 patents)

6. Yasunori Matsuoka (1 out of 3 patents)

7. Seiichi Ozawa, Deceased (1 out of 1 patent)

8. Takashi Tsubahara (1 out of 1 patent)

9. Shizuko Kushida (1 out of 2 patents)

10. Takefumi Shindo (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 4774045 - Concrete structural member and method for manufacture thereof (1988-09-27),

2. 4687614 - Process for producing a high integrity container (1987-08-18),

3. 4594513 - Multiplex design container having a three-layered wall structure and a (1986-06-10),

4. 4314957 - Method for manufacture of polymer-impregnated hollow concrete product (1982-02-09),

5. 4224274 - Method for manufacture of concrete products (1980-09-23),

Ozawa Concrete Industry Co., Ltd. is a leading concrete manufacturer in Japan, specializing in high-quality precast concrete products for various applications. With over 50 years of experience, our company has built a strong reputation for delivering innovative and sustainable solutions to our clients. We strive to provide excellent customer service and superior products to meet the needs of our customers.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

5 Patents

#2,449 in Tokyo

#6,488 in Japan

Tokyo, Japan

Ozawa Concrete Industry Co., Ltd.