For the Inventor, By the Inventor

Enter assignee name

Kyushu Refractories Co., Ltd.

USPTO Granted Patents = 16

CIPO Patents = 1

Forward Citations = 101

Loading Chart...

Loading Chart...

36 inventors (with patents filed for the assignee):

Akira Watanabe (12 out of 26 patents)

Yoshimitsu Takeuchi (5 out of 5 patents)

Yasuo Nishikawa (5 out of 6 patents)

4. Seiji Kihara (3 out of 4 patents)

5. Takeo Okamura (3 out of 3 patents)

6. Yasutoshi Mizuta (3 out of 3 patents)

7. Tetsuya Sugimoto (3 out of 4 patents)

8. Tadao Shimizu (2 out of 16 patents)

9. Shigeyuki Takanaga (2 out of 2 patents)

10. Yoshio Hatayama (2 out of 2 patents)

11. Hiroaki Yanagida (2 out of 2 patents)

12. Yasuhiro Makino (2 out of 2 patents)

13. Gouji Saeki (2 out of 2 patents)

14. Tsunemi Ochiai (1 out of 1 patent)

15. Makoto Mitsudo (1 out of 2 patents)

16 patents: Sort by Forward Citations

1. 7060642 - Refractory raw materials, method for production thereof and refractory using the material (2006-06-13),

2. 5866490 - Monolithic refractory and gunning material using the refractory (1999-02-02),

3. 5000427 - Injection material for use in blast furnace (1991-03-19),

4. 4943541 - Glass ceramics (1990-07-24),

5. 4732749 - Method of manufacturing longer fibers of potassium titanate (1988-03-22),

6. 4681633 - High strength calcium phosphate glass-ceramic materials (1987-07-21),

7. 4626514 - Good aesthetic artificial dental materials by calcium phosphate (1986-12-02),

8. 4540674 - Silicon nitride composite refractories (1985-09-10),

9. 4497901 - Forsterite-carbon refractory (1985-02-05),

10. 4431745 - Carbon-bonded magnesia carbon bricks (1984-02-14),

11. 4282200 - Processes for the preparation of fiberous titanic acid metal salts (1981-08-04),

12. 4179496 - Fibrous crystalline potassium titanate and processes for preparing (1979-12-18),

13. 4160744 - Catalyst for reduction of nitrogen oxides and method for manufacture (1979-07-10),

14. 4096096 - Method for manufacture of catalyst used for reduction of nitrogen oxides (1978-06-20),

15. 4093561 - Catalyst for the reduction of nitrogen oxides and method for the (1978-06-06),

Kyushu Refractories Co., Ltd. is a leading manufacturer of refractory products for various industries such as steel, cement, and petrochemicals. With over 100 years of experience, they offer high-quality products, innovative solutions, and excellent customer service. Their products are known for their durability, thermal efficiency, and superior performance in high-temperature environments.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

16 Patents

#1 in Bizen

#3,262 in Japan

#36,671 in the World

Kyushu Refractories Co., Ltd.

Forward Citations = 101

36 inventors:

Akira Watanabe (12 out of 26 patents)

Yoshimitsu Takeuchi (5 out of 5 patents)

Yasuo Nishikawa (5 out of 6 patents)

4. Seiji Kihara (3 out of 4 patents)

5. Takeo Okamura (3 out of 3 patents)

Please report any incorrect information to support@idiyas.com

Loading…