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Kitakyushu, Japan

Kurosaki Refractories Co., Ltd.

USPTO Granted Patents = 46

Forward Citations = 878

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74 inventors (with patents filed for the assignee):

Sueki Kubo (12 out of 12 patents)

Haruyuki Ueno (10 out of 10 patents)

Masayuki Fujita (8 out of 8 patents)

4. Tokuaki Hatta (6 out of 6 patents)

5. Kazushige Fukuda (6 out of 7 patents)

6. Yuji Katsura (6 out of 6 patents)

7. Takashi Hamamatu (5 out of 5 patents)

8. Hiroshi Shikano (4 out of 4 patents)

9. Hiroshi Kubota (4 out of 6 patents)

10. Tadahiko Matsuno (4 out of 4 patents)

11. Yoshitaka Hiraiwa (3 out of 4 patents)

12. Toshiro Watanabe (3 out of 3 patents)

13. Akira Morita (3 out of 3 patents)

14. Nobuhiro Sato (3 out of 3 patents)

15. Yoshihiko Uchida (2 out of 3 patents)

46 patents: Sort by Forward Citations

1. 5415692 - Apparatus for applying material against the wall of a molten metal (1995-05-16),

2. 5259880 - Projection molten impeller for concave section used in apparatus (1993-11-09),

3. 5167988 - Ceramic coating bonded to iron member (1992-12-01),

4. 4984904 - Apparatus for continuously measuring temperature of molten metal and (1991-01-15),

5. 4954535 - High-durability plate brick for sliding gate nozzle apparatus (1990-09-04),

6. 4917276 - Sliding gate nozzle for special steel (1990-04-17),

7. 4867932 - Process of making a casting nozzle (1989-09-19),

8. 4839317 - Lightweight heat-insulating tundish coating material (1989-06-13),

9. 4832888 - Method for producing high-density silicon nitride sintered product (1989-05-23),

10. 4832771 - Method for bonding ceramics (1989-05-23),

11. 4779775 - Casting nozzle (1988-10-25),

12. 4775504 - Process for producing refractory plate for sliding nozzle (1988-10-04),

13. 4737327 - Process for producing silicon carbide sintered product (1988-04-12),

14. 4735923 - Erosion-resistant silicon carbide composite sintered materials (1988-04-05),

15. 4693401 - Apparatus for compressively holding casting nozzles (1987-09-15),

Kurosaki Refractories Co., Ltd. is a leading manufacturer of refractory materials based in Japan. With over 100 years of experience, the company specializes in developing high-quality products for various industries including iron and steel, non-ferrous metals, cement, glass, and petrochemicals. Kurosaki Refractories' commitment to innovation and quality has earned them a global reputation as a trusted supplier of refractory solutions. Their comprehensive range of products includes refractory bricks, castables, and monolithic products that are tailored to meet the specific requirements of each customer. Through continuous research and development, Kurosaki Refractories remains at the forefront of technology and aims to contribute to the advancement of society by providing sustainable and efficient refractory solutions.

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

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USPTO Data Jan 1 1976 - Dec 2 2025

46 Patents

#4 in Kitakyushu

#1,767 in Japan

#14,652 in the World

Kitakyushu, Japan

Kurosaki Refractories Co., Ltd.

Forward Citations = 878

74 inventors:

Sueki Kubo (12 out of 12 patents)

Haruyuki Ueno (10 out of 10 patents)

Masayuki Fujita (8 out of 8 patents)

4. Tokuaki Hatta (6 out of 6 patents)

5. Kazushige Fukuda (6 out of 7 patents)

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