For the Inventor, By the Inventor

Enter assignee name

Polymer Processing Research Institute Ltd.

USPTO Granted Patents = 33

Forward Citations = 571

Loading chart...

Loading chart...

39 inventors (with patents filed for the assignee):

Kazuhiko Kurihara (26 out of 45 patents)

Hiroshi Yazawa (17 out of 34 patents)

Haruhisa Tani (16 out of 16 patents)

4. Masahide Yazawa (10 out of 10 patents)

5. Yasuo Sasaki (6 out of 42 patents)

6. Tokio Okada (6 out of 7 patents)

7. Shigezo Kojima (6 out of 6 patents)

8. Yuki Kuroiwa (4 out of 12 patents)

9. Seizo Kobayashi (4 out of 16 patents)

10. Yoshimu Iwanami (4 out of 10 patents)

11. Setsuya Tsuyama (4 out of 4 patents)

12. Hirosi Yazawa (4 out of 4 patents)

13. Toshikazu Ohishi (3 out of 7 patents)

14. Sumio Yoshida (3 out of 4 patents)

15. Masaki Matsumoto (3 out of 3 patents)

33 patents: Sort by Forward Citations

1. 6984350 - Method of and apparatus for manufacturing a web having filaments aligned in a transverse direction (2006-01-10),

2. 6877971 - Apparatus for producing a transversely aligned web in which filaments spun at high rate are aligned in the transverse direction (2005-04-12),

3. 6605553 - Tow multiaxial non-woven fabric (2003-08-12),

4. 6207273 - Process for producing filament and filament assembly composed of thermotropic liquid crystal polymer (2001-03-27),

5. 5723388 - Prepreg of ultra-high-molecular-weight polyethylene (1998-03-03),

6. 5702657 - Method for the continuous production of a polyethylene material having (1997-12-30),

7. 5612125 - Process for producing prepreg (1997-03-18),

8. 5578373 - Split polyethylene stretched material and process for producing the same (1996-11-26),

9. 5382773 - Apparatus and method for fabricating a perforated web by light (1995-01-17),

10. 5338593 - Multiaxial nonwoven fabric (1994-08-16),

11. 5308424 - Multiaxial nonwoven fabric, and method of making the same (1994-05-03),

12. 5300166 - Apparatus for manufacturing a web and method (1994-04-05),

13. 5259097 - Stretching machine (1993-11-09),

14. 5232533 - Method for heat-setting cross-laminated non-woven fabrics (1993-08-03),

15. 5106555 - Process for the continuous production of high-strength and high-modulus (1992-04-21),

Polymer Processing Research Institute Ltd. (PPRI) is a leading research organization specializing in polymer processing technologies. With a strong focus on innovation and collaboration, PPRI works with industry partners to develop and optimize polymer processing techniques, materials, and equipment. Through their cutting-edge research and development, PPRI aims to enhance the competitiveness of the polymer industry and contribute to technological advancements in this field.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 2 2025

33 Patents

#890 in Tokyo

#2,147 in Japan

#19,513 in the World

Polymer Processing Research Institute Ltd.

Forward Citations = 571

39 inventors:

Kazuhiko Kurihara (26 out of 45 patents)

Hiroshi Yazawa (17 out of 34 patents)

Haruhisa Tani (16 out of 16 patents)

4. Masahide Yazawa (10 out of 10 patents)

5. Yasuo Sasaki (6 out of 42 patents)

Please report any incorrect information to support@idiyas.com

Loading…