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Japan Polychem Corporation

USPTO Granted Patents = 39

EPO Patents = 1

Trademarks = 1

Forward Citations = 275

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104 inventors (with patents filed for the assignee):

Takao Tayano (8 out of 15 patents)

Toshihiko Sugano (7 out of 41 patents)

Yukihito Zanka (6 out of 14 patents)

4. Yoshihiro Sobajima (5 out of 15 patents)

5. Yoshiyuki Ishihama (4 out of 16 patents)

6. Tadashi Sezume (4 out of 4 patents)

7. Takayuki Nagai (3 out of 16 patents)

8. Hiroshi Nakano (3 out of 45 patents)

9. Mitsuhiro Murayama (3 out of 5 patents)

10. Yoshinobu Nagaoka (3 out of 3 patents)

11. Toshimitsu Hasegawa (3 out of 3 patents)

12. Akihiko Egashira (3 out of 5 patents)

13. Kyoko Nozaki (2 out of 14 patents)

14. Hideshi Uchino (2 out of 19 patents)

15. Hironari Sano (2 out of 19 patents)

39 patents: Sort by Forward Citations

1. 12187825 - Polar group-containing olefin copolymer (2025-01-07),

2. 11149099 - Metal complex and method for producing the same, catalyst component for olefin polymerization and catalyst for olefin polymerization containing the metal complex, and methods for producing α-olefin polymer and copolymer using the catalyst for olefin polymerization (2021-10-19),

3. 7064160 - Moldability modifier for polypropylene resin and polypropylene resin composition containing the same (2006-06-20),

4. 7005400 - Component of catalyst for polymerizing olefin, catalyst for polymerizing olefin and process for polymerizing olefin (2006-02-28),

5. 6953831 - Ethylene polymers (2005-10-11),

6. 6875485 - Resin composition for heat-shrinkable polypropylene shrink label and film comprising same (2005-04-05),

7. 6825280 - Propylene block copolymer and propylene resin composition (2004-11-30),

8. 6756463 - Propylene polymer (2004-06-29),

9. 6677411 - Component of catalyst for olefin polymerization (2004-01-13),

10. 6660797 - Propylene resin composition and method for molding the same (2003-12-09),

11. 6646044 - Continuous production method of propylene-based block copolymer (2003-11-11),

12. 6632911 - Ethylene/&agr;-olefin copolymer and film made thereof (2003-10-14),

13. 6624253 - Propylene type resin composition, film made thereof, and laminated resin film (2003-09-23),

14. 6608130 - Polypropylene-based resin composition of excellent moldability and giving molded product of excellent appearance (2003-08-19),

15. 6586061 - Multi-layer film and medical bag using the same (2003-07-01),

Japan Polychem Corporation is a leading manufacturer and distributor of chemical products, catering to various industries such as specialty chemicals, polymers, and resins. With a strong commitment to quality and innovation, the company offers a wide range of solutions to meet the specific needs of its customers. Through ongoing research and development, Japan Polychem Corporation continues to contribute to the advancement of the chemical industry.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

39 Patents

#825 in Tokyo

#1,962 in Japan

#16,945 in the World

Japan Polychem Corporation

Forward Citations = 275

104 inventors:

Takao Tayano (8 out of 15 patents)

Toshihiko Sugano (7 out of 41 patents)

Yukihito Zanka (6 out of 14 patents)

4. Yoshihiro Sobajima (5 out of 15 patents)

5. Yoshiyuki Ishihama (4 out of 16 patents)

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