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Sumitomo Dow Limited

USPTO Granted Patents = 13

EPO Patents = 3

Trademarks = 1

Forward Citations = 126

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28 inventors (with patents filed for the assignee):

Wataru Fujiwara (4 out of 4 patents)

Naoyoshi Kawamoto (3 out of 3 patents)

Noriko Kitamura (3 out of 3 patents)

4. Kenichi Yamazaki (3 out of 3 patents)

5. Junkoh Hyoda (3 out of 4 patents)

6. Ichiro Sato (2 out of 5 patents)

7. Yukio Tomari (2 out of 2 patents)

8. Kiyoshi Ogura (2 out of 4 patents)

9. Yoshikazu Hirose (1 out of 4 patents)

10. Kenzo Chikanari (1 out of 9 patents)

11. Mikio Kodama (1 out of 11 patents)

12. Takeyoshi Nishio (1 out of 42 patents)

13. Tadayuki Ohmae (1 out of 51 patents)

14. Noboru Yamaguchi (1 out of 26 patents)

15. Saburo Mishiba (1 out of 9 patents)

13 patents: Sort by Forward Citations

1. 7449506 - Flame-retardant polycarbonate resin composition (2008-11-11),

2. 6365654 - Transparent resin compositions with near infrared absorption characteristics (2002-04-02),

3. 6291585 - Transparent resin compositions containing a thiuram compound and certain copper compounds (2001-09-18),

4. 5811491 - Glass fiber-reinforced thermoplastic resin composition (1998-09-22),

5. 5807908 - Ionizing radiation-resistant polycarbonate resin composition and medical (1998-09-15),

6. 5703157 - Process of preparing copolymer latex and use thereof (1997-12-30),

7. 5656689 - Process for preparing copolymer latex and use thereof (1997-08-12),

8. 5648420 - Process of preparing copolymer latex and use thereof (1997-07-15),

9. 5508347 - Delustered amorphous thermoplastic resin composition (1996-04-16),

10. 5430101 - Delustered rubber modified styrenic blends (1995-07-04),

11. 5371142 - Thermoplastic resin composition comprising a polyester, a polycarbonate (1994-12-06),

12. 5290855 - Thermoplastic resin composition (1994-03-01),

13. 5284908 - Process for preparing copolymer latex and use of copolymer latex (1994-02-08),

Sumitomo Dow Limited is a joint venture between Sumitomo Chemical Co. and The Dow Chemical Company. It specializes in the development and production of specialty chemicals, polymers, and materials for various industries such as automotive, electronics, and construction. With a strong focus on innovation and sustainability, Sumitomo Dow Limited aims to deliver high-quality products and solutions to meet the diverse needs of its customers.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

13 Patents

#1,458 in Tokyo

#3,667 in Japan

#43,690 in the World

Sumitomo Dow Limited

Forward Citations = 126

28 inventors:

Wataru Fujiwara (4 out of 4 patents)

Naoyoshi Kawamoto (3 out of 3 patents)

Noriko Kitamura (3 out of 3 patents)

4. Kenichi Yamazaki (3 out of 3 patents)

5. Junkoh Hyoda (3 out of 4 patents)

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