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Krosakiharima Corporation

USPTO Granted Patents = 77

% Expired Patents = 22.1

CIPO Patents = 7

EPO Patents = 45

Trademarks = 4

Forward Citations = 137

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134 inventors (with patents filed for the assignee):

Junichi Funato (11 out of 11 patents)

Katsumi Morikawa (11 out of 14 patents)

Toshihiro Imahase (10 out of 10 patents)

4. Arito Mizobe (10 out of 10 patents)

5. Shinichi Fukunaga (7 out of 14 patents)

6. Joki Yoshitomi (6 out of 6 patents)

7. Akinari Sasaki (5 out of 5 patents)

8. Keiichiro Akamine (5 out of 5 patents)

9. Nobuyuki Yokoi (5 out of 6 patents)

10. Takahiro Kuroda (4 out of 5 patents)

11. Joji Kurisu (4 out of 4 patents)

12. Koji Ogata (4 out of 4 patents)

13. Hiroshi Otsuka (4 out of 4 patents)

14. Koji Kido (4 out of 4 patents)

15. Kazuhiro Honda (3 out of 3 patents)

Core Competencies:

Refractory Materials

Continuous Casting Nozzles

Thermal Spray Materials

Magnesia Carbon Bricks

Immersion Nozzles

Casting Nozzles

Cordierite-based Sintered Body

Carbon-containing Refractory

High-durability Sleeve Bricks

Anti-alumina-buildup Refractories

Taphole Mix

Aluminum Oxycarbide Composition

77 patents: Sort by Forward Citations

1. 12673362 - Sliding nozzle device (2026-07-07),

2. 12673361 - Sliding nozzle apparatus (2026-07-07),

3. 12617728 - CaO—ZrOcomposition, method for producing CaO—ZrOcomposition, and CaO—ZrO-containing refractory material and casting nozzle (2026-05-05),

4. 12492777 - Thermal insulation pipe (2025-12-09),

5. 12350737 - Refractory product (2025-07-08),

6. 12023730 - Stopper for continuous casting and continuous casting method (2024-07-02),

7. 11958106 - Plate holding device, plate detaching apparatus, plate attaching apparatus, and plate attaching-detaching apparatus (2024-04-16),

8. 11938534 - Device for opening/closing (2024-03-26),

9. 11925980 - Certain-shaped joint material for hot installation (2024-03-12),

10. 11767269 - Method for spray application of monolithic refractory and spray material for use therein (2023-09-26),

11. 11745257 - Nozzle, and nozzle and stopper combination (2023-09-05),

12. 11708617 - Brick lining forming method (2023-07-25),

13. 11293696 - Thermal spray material (2022-04-05),

14. 11235384 - Sliding nozzle (2022-02-01),

15. 11213886 - Socket installation structure of refractory article (2022-01-04),

KROSAKIHARIMA CORPORATION is a global leader in the ceramic industry, specializing in the production of refractories and other related products. With a wide range of innovative solutions, KROSAKIHARIMA serves various sectors such as steel, cement, glass, and non-ferrous metals. Through advanced technology and a commitment to quality, the company has gained a strong reputation for its reliable and durable products. For more information, please visit their official website.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

77 Patents

#6 in Fukuoka

#1,331 in Japan

#9,752 in the World

Krosakiharima Corporation

Forward Citations = 137

134 inventors:

Junichi Funato (11 out of 11 patents)

Katsumi Morikawa (11 out of 14 patents)

Toshihiro Imahase (10 out of 10 patents)

4. Arito Mizobe (10 out of 10 patents)

5. Shinichi Fukunaga (7 out of 14 patents)

Please report any incorrect information to [email protected]

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