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EPO Patents = 3

Forward Citations = 80

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16 inventors (with patents filed for the assignee):

Naohiko Mushiake (3 out of 4 patents)

Hiroyuki Mori (2 out of 99 patents)

Shinichi Hori (2 out of 5 patents)

4. Tatsuyuki Mitsuno (2 out of 21 patents)

5. Takeshi Fujii (2 out of 31 patents)

6. Yukio Kurioka (2 out of 2 patents)

7. Katsuyasu Fukuda (2 out of 2 patents)

8. Hiroshi Higuchi (1 out of 12 patents)

9. Sumio Hamada (1 out of 2 patents)

10. Kenji Kodama (1 out of 2 patents)

11. Tuyoshi Itou (1 out of 1 patent)

12. Jun Komai (1 out of 1 patent)

13. Takasi Nakayama (1 out of 1 patent)

14. Eizo Hamahira (1 out of 1 patent)

15. Takayuki Kurahashi (1 out of 1 patent)

6 patents: Sort by Forward Citations

1. 7927088 - Die assembly and process for production of multilayer extrusions with the same (2011-04-19),

2. 6669986 - Process for manufacturing multilayer pellets and use of the multilayer pellets (2003-12-30),

3. 6191198 - Micro-powdery stain composition for unsaturated polyester resin, unsaturated polyester resin composition and production process therefor (2001-02-20),

4. 5219903 - Pigment master batch for filler-containing polypropylene compositions (1993-06-15),

5. 5041259 - Method for producing filler-containing colored thermoplastic resin (1991-08-20),

6. 4474473 - Method and equipment for manufacturing pigment dispersion (1984-10-02),

Sumika Color Company, Limited is a leading manufacturer of high-quality coloring materials and pigments. With a focus on innovation and sustainability, Sumika Color offers a wide range of products for various industries including plastics, coatings, and textiles. The company is committed to providing superior color solutions to meet the needs of its customers around the world.

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

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USPTO Data Jan 1 1976 - Dec 2 2025

6 Patents

#562 in Osaka

#5,839 in Japan

Osaka, Japan

Sumika Color Company, Limited