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Sumitomo Electric Fine Polymer, Inc.

USPTO Granted Patents = 72

EPO Patents = 23

Forward Citations = 86

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87 inventors (with patents filed for the assignee):

Makoto Nakabayashi (13 out of 31 patents)

Fumihiro Hayashi (13 out of 24 patents)

Satoshi Yamasaki (11 out of 15 patents)

4. Shinya Nishikawa (10 out of 51 patents)

5. Jun Sugawara (10 out of 23 patents)

6. Shingo Nakajima (10 out of 12 patents)

7. Yasutaka Emoto (9 out of 9 patents)

8. Yoshimasa Suzuki (9 out of 9 patents)

9. Kazuaki Ikeda (8 out of 9 patents)

10. Atsushi Uno (8 out of 13 patents)

11. Hong-Phuc Nguyen (6 out of 6 patents)

12. Yasuhiko Muroya (5 out of 5 patents)

13. Yasuhiro Fukumoto (5 out of 7 patents)

14. Ryota Fukumoto (4 out of 8 patents)

15. Hiroshi Hayami (4 out of 30 patents)

Core Competencies:

Heat-Shrinkable Tube

Hollow-Fiber Membrane Module

Electricity Storage Device

Printed Circuit Board

Polytetrafluoroethylene

Flame-Retardant Polymer

Microporous Membrane

Polyimide Tube

Pressure-Sensitive Adhesive

Optical Lens

Wiring Board

Porous Filter

72 patents: Sort by Forward Citations

1. 12362552 - Heat-shrinkable tube, heat-shrinkable sheet, connector, and method for manufacturing heat-shrinkable tube (2025-07-15),

2. 12259052 - Valve member (2025-03-25),

3. 12214316 - Method for manufacturing hollow fiber membrane module, and hollow fiber membrane module (2025-02-04),

4. 12076693 - Hollow-fiber membrane module (2024-09-03),

5. 11801480 - Hollow-fiber membrane and hollow-fiber membrane module (2023-10-31),

6. 11648758 - Formed article (2023-05-16),

7. 11552356 - Electricity storage device member, method of manufacturing the same, and electricity storage device (2023-01-10),

8. 11375615 - Substrate for printed circuit board, printed circuit board, and method for producing substrate for printed circuit board (2022-06-28),

9. 11339299 - Method of making oil repellent sheet material and gas sensor (2022-05-24),

10. 11326034 - Method for manufacturing polytetrafluoroethylene formed product, and polytetrafluoroethylene formed product (2022-05-10),

11. 10858487 - Polytetrafluoroethylene formed product, and manufacturing method therefor (2020-12-08),

12. 10814286 - Semipermeable membrane and method for producing semipermeable membrane (2020-10-27),

13. 10717053 - Method for producing laminated complex, and laminated complex (2020-07-21),

14. 10439384 - Heat-recoverable article, method for manufacturing heat-recoverable article, wire splice, and wire harness (2019-10-08),

15. 10423107 - Polyimide tube for fixing belts (2019-09-24),

Sumitomo Electric Fine Polymer, Inc. is a subsidiary of Sumitomo Electric Industries, Ltd., specializing in the development and production of high-performance polymer products. With a focus on innovation and advanced technology, the company offers a wide range of products, including various types of polymers, films, sheets, and molded parts. Sumitomo Electric Fine Polymer aims to contribute to society by providing reliable and sustainable solutions for various industries such as automotive, electronics, and infrastructure.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

72 Patents

#130 in Osaka

#1,357 in Japan

#10,078 in the World

Sumitomo Electric Fine Polymer, Inc.

Forward Citations = 86

87 inventors:

Makoto Nakabayashi (13 out of 31 patents)

Fumihiro Hayashi (13 out of 24 patents)

Satoshi Yamasaki (11 out of 15 patents)

4. Shinya Nishikawa (10 out of 51 patents)

5. Jun Sugawara (10 out of 23 patents)

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