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Forward Citations = 41

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12 inventors (with patents filed for the assignee):

Satoshi Kitagawa (4 out of 4 patents)

Shigeo Yoshida (4 out of 4 patents)

Shozo Harada (2 out of 4 patents)

4. Tetsuya Koide (2 out of 3 patents)

5. Takatoshi Miyazawa (2 out of 2 patents)

6. Yoshio Nagaya (2 out of 2 patents)

7. Kazuo Imahashi (2 out of 2 patents)

8. Satoru Nagai (2 out of 2 patents)

9. Tadashi Matsumoto (1 out of 28 patents)

10. Manaba Hasegawa (1 out of 1 patent)

11. Katsuya Fukakura (1 out of 1 patent)

12. Manabu Hasegawa (1 out of 1 patent)

5 patents: Sort by Forward Citations

1. 5168008 - Glazed cement product and method for manufacturing thereof (1992-12-01),

2. 4822541 - Method of producing a porous ceramic panel (1989-04-18),

3. 4797319 - Glazed cement product and method for manufacturing thereof (1989-01-10),

4. 4756956 - Foamed ceramic panel and method of producing the same (1988-07-12),

5. 4657206 - Door installation and a locking device used therein (1987-04-14),

National House Industrial Co., Ltd. is a leading manufacturer and distributor of high-quality industrial equipment and building materials. With a strong commitment to innovation and customer satisfaction, National House Industrial Co., Ltd. has established a reputation for excellence in the industry. Their wide range of products includes electrical accessories, plumbing supplies, and HVAC systems, catering to the needs of both commercial and residential clients. Visit their website to learn more about their products and services.

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USPTO Data Jan 1 1976 - Dec 16 2025

5 Patents

#625 in Osaka

#6,487 in Japan

Osaka, Japan

National House Industrial Co., Ltd.