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Sunallomer Ltd.

USPTO Granted Patents = 14

% Expired Patents = 35.7

EPO Patents = 5

Forward Citations = 19

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25 inventors (with patents filed for the assignee):

Takeshi Nakajima (5 out of 37 patents)

Kazuhisa Yasumoto (4 out of 5 patents)

Masamichi Hikosaka (3 out of 7 patents)

4. Kiyoka Okada (3 out of 6 patents)

5. Akihiro Otsubo (3 out of 5 patents)

6. Junichiro Washiyama (3 out of 7 patents)

7. Koji Yamada (2 out of 32 patents)

8. Shingo Ueno (2 out of 3 patents)

9. Hideharu Kimura (2 out of 8 patents)

10. Kaori Watanabe (2 out of 4 patents)

11. Satoru Ishigaki (2 out of 2 patents)

12. Shinji Hinokuma (2 out of 2 patents)

13. Akihiro Kamimura (2 out of 4 patents)

14. Masayuki Ikeda (2 out of 3 patents)

15. Yutaka Yokoyama (1 out of 68 patents)

14 patents: Sort by Forward Citations

1. 12415914 - Polypropylene-based resin composition containing ultrahigh molecular weight propylene (co)polymer (2025-09-16),

2. 12194715 - Polypropylene multilayer sheet (2025-01-14),

3. 12172359 - Production method of polypropylene sheet (2024-12-24),

4. 9605116 - Method for secondary molding of polymer NANO oriented crystal material (2017-03-28),

5. 9353198 - Method for polymerizing alpha-olefin (2016-05-31),

6. 9138933 - Process and apparatus for producing crystalline resin film or sheet (2015-09-22),

7. 8728616 - Polymer sheet and method for producing same (2014-05-20),

8. 8618215 - Modified polypropylene-based polymer and composition comprising it (2013-12-31),

9. 8617437 - Flame retardant and flame retardant composition using same, molded article thereof, and electric wire with coating (2013-12-31),

10. 8313674 - Flame-retardant polyolefin resin composition (2012-11-20),

11. 7799857 - Flame-retardant thermoplastic resin composition, molded product thereof and electric wire (2010-09-21),

12. 7247686 - Solid cocatalyst component for olefin polymerization and catalyst system thereof (2007-07-24),

13. 7005398 - Olefin polymerization catalyst, catalyst component for olefin polymerization, method of storing these, and process for producing olefin polymer (2006-02-28),

14. 6964997 - Molded article for interior parts of a car (2005-11-15),

Sunallomer Ltd., based in Tokyo, specializes in advanced materials and innovative solutions for various industries. The company focuses on the development and manufacturing of high-performance polymers and composites, catering to sectors such as automotive, electronics, and healthcare. With a commitment to research and development, Sunallomer aims to enhance product performance and sustainability through cutting-edge technology and material science, positioning itself as a key player in the global market for advanced materials.

Profile summary based on public USPTO records.

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USPTO Data Jan 1 1976 - Oct 6 2026

14 Patents

#1 in Tokyo

#2 in Jersey

#42,199 in the World

Sunallomer Ltd.

Forward Citations = 19

25 inventors:

Takeshi Nakajima (5 out of 37 patents)

Kazuhisa Yasumoto (4 out of 5 patents)

Masamichi Hikosaka (3 out of 7 patents)

4. Kiyoka Okada (3 out of 6 patents)

5. Akihiro Otsubo (3 out of 5 patents)

Please report any incorrect information to [email protected]

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