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Toshiba Monofrax Co., Ltd.

USPTO Granted Patents = 12

Trademarks = 2

Forward Citations = 90

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25 inventors (with patents filed for the assignee):

Kimio Hirata (7 out of 7 patents)

Shigeo Endo (5 out of 6 patents)

Yasuo Saito (4 out of 4 patents)

4. Yasuo Misu (3 out of 8 patents)

5. Haruo Kawashima (3 out of 3 patents)

6. Shinji Tsuchiya (2 out of 6 patents)

7. Takao Uchiya (2 out of 2 patents)

8. Akira Itoh (2 out of 2 patents)

9. Shozo Seo (2 out of 2 patents)

10. Mikiya Fujii (2 out of 2 patents)

11. Kazuhide Kawai (1 out of 1 patent)

12. Makoto Takahashi (1 out of 1 patent)

13. Fumio Tokuoka (1 out of 1 patent)

14. Keiji Morita (1 out of 1 patent)

15. Masaki Takemoto (1 out of 1 patent)

12 patents: Sort by Forward Citations

1. 6348428 - High-purity crystalline inorganic fiber, molded body thereof, and method of production thereof (2002-02-19),

2. 5817274 - Method of manufacturing aluminum nitride (1998-10-06),

3. 5733830 - Beta-alumina electrocast refractories (1998-03-31),

4. 5679612 - High-zirconia fused refractories (1997-10-21),

5. 5403793 - Method of producing a ceramic shape and that ceramic shape (1995-04-04),

6. 5322650 - Method and apparatus for producing fibers (1994-06-21),

7. 5127463 - Refractory brick segment for a heat regenerator (1992-07-07),

8. 4974666 - Refractory brick assembly for a heat regenerator (1990-12-04),

9. 4943398 - Method for manufacturing a fused cast refractory (1990-07-24),

10. 4874034 - Refractory unit for a heat regenerator (1989-10-17),

11. 4810150 - Ceramic fiber layer fixing pin (1989-03-07),

12. 4670318 - Laminar block and method of and apparatus for producing the laminar block (1987-06-02),

Toshiba Monofrax Co., Ltd. is a leading manufacturer of high-performance refractory products for the glass industry. With over 50 years of experience, the company specializes in producing fused cast refractories that are used in the production of glass containers, float glass, and specialty glass products. Toshiba Monofrax is known for its superior quality products and innovative solutions that help customers improve their efficiency and product quality.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

12 Patents

#1,519 in Tokyo

#3,833 in Japan

#46,665 in the World

Toshiba Monofrax Co., Ltd.

Forward Citations = 90

25 inventors:

Kimio Hirata (7 out of 7 patents)

Shigeo Endo (5 out of 6 patents)

Yasuo Saito (4 out of 4 patents)

4. Yasuo Misu (3 out of 8 patents)

5. Haruo Kawashima (3 out of 3 patents)

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