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Wintech Polymer Ltd.

USPTO Granted Patents = 26

EPO Patents = 11

Forward Citations = 68

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23 inventors (with patents filed for the assignee):

Kouichi Sakata (14 out of 20 patents)

Kazuya Goshima (4 out of 13 patents)

Shinya Yamada (4 out of 16 patents)

4. Fumiyuki Ohtake (4 out of 4 patents)

5. Takayuki Ishikawa (3 out of 79 patents)

6. Yasumitsu Miyamoto (3 out of 4 patents)

7. Katsunori Takayama (3 out of 8 patents)

8. Kumiko Doi (2 out of 2 patents)

9. Hiroyuki Amano (2 out of 4 patents)

10. Shinichiro Shoji (1 out of 12 patents)

11. Shotaro Moriya (1 out of 1 patent)

12. Koji Mizutani (1 out of 13 patents)

13. Kazutaka Katayama (1 out of 37 patents)

14. Takuma Ishikawa (1 out of 1 patent)

15. Kunihiro Hirata (1 out of 1 patent)

26 patents: Sort by Forward Citations

1. 10336899 - Polybutylene terephthalate resin composition (2019-07-02),

2. 9957375 - Resin composition (2018-05-01),

3. 9884953 - Polybutylene terephthalate resin composition and molded article thereof (2018-02-06),

4. 9790344 - Polybutylene terephthalate resin composition and pellet thereof (2017-10-17),

5. 9663652 - Polybutylene terephthalate resin composition (2017-05-30),

6. RE46324 - Method for forming an insert injection-molded article exhibiting improved resistance to heat shock utilizing a specifically defined polybutylene terephthalate composition (2017-02-27),

7. 9522987 - Polybutylene terephthalate resin composition and hydrolysis resistance-improving agent (2016-12-20),

8. 9499682 - Polybutylene terephthalate resin composition and thin molded article (2016-11-22),

9. 9434839 - Polybutylene terephthalate resin composition and welded body (2016-09-06),

10. 9221946 - Polybutylene terephthalate resin pellets, and production method for said polybutylene terephthalate resin pellets (2015-12-29),

11. 8921465 - Polybutylene terephthalate resin composition (2014-12-30),

12. 8921457 - Resin molded body (2014-12-30),

13. 8906988 - Integrated molded product (2014-12-09),

14. 8734956 - Polybutylene terephthalate resin composition (2014-05-27),

15. 8530555 - Polybutylene terephthalate resin composition (2013-09-10),

WinTech Polymer Ltd. is a global leader in the manufacturing and distribution of high-quality polymer products. With state-of-the-art facilities and a dedicated team of experts, we specialize in providing innovative solutions for various industries including automotive, construction, packaging, and more. Our commitment to excellence, sustainability, and customer satisfaction has earned us a solid reputation in the industry. Visit our website to learn more about our wide range of polymer products and how we can meet your specific requirements.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 23 2025

26 Patents

#1,019 in Tokyo

#2,456 in Japan

#24,073 in the World

Wintech Polymer Ltd.

Forward Citations = 68

23 inventors:

Kouichi Sakata (14 out of 20 patents)

Kazuya Goshima (4 out of 13 patents)

Shinya Yamada (4 out of 16 patents)

4. Fumiyuki Ohtake (4 out of 4 patents)

5. Takayuki Ishikawa (3 out of 79 patents)

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