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Polymatech Co., Ltd.

USPTO Granted Patents = 117

% Expired Patents = 66.7

EPO Patents = 18

Trademarks = 1

Forward Citations = 1,328

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82 inventors (with patents filed for the assignee):

Masayuki Tobita (15 out of 16 patents)

Hideaki Konno (9 out of 9 patents)

Naoyuki Shimoyama (9 out of 9 patents)

4. Shinya Tateda (9 out of 9 patents)

5. Toru Kimura (7 out of 52 patents)

6. Yoshifumi Honmatsu (6 out of 6 patents)

7. Motoki Ozawa (5 out of 5 patents)

8. Masayuki Itakura (5 out of 5 patents)

9. Tsunehisa Kimura (5 out of 8 patents)

10. Masaya Katori (5 out of 5 patents)

11. Masayuki Kashino (5 out of 6 patents)

12. Takeshi B Nishimura (5 out of 43 patents)

13. Yutaka Nakanishi (4 out of 23 patents)

14. Yasunori Takeda (4 out of 4 patents)

15. Tedi Kunthady (4 out of 4 patents)

Core Competencies:

Thermal Conductive Sheet

Anisotropic Conductor

Key Sheet

Pushbutton Switch

Decorative Molded Body

Connector

Damper

Polymer Electrolyte Membrane

Input Device

Vibration Proof Structure

Manufacturing Method

Graphite Sheet

117 patents: Sort by Forward Citations

1. 8872038 - Anisotropic conductor, method of producing the same, and anisotropic conductor-arranged sheet (2014-10-28),

2. 8854313 - Sensor-integrated illuminated key sheet (2014-10-07),

3. 8827528 - Key sheet, lightproof light guiding sheet, pushbutton switch, and method of manufacturing key sheet (2014-09-09),

4. 8820949 - Key sheet, light blocking effect sheet, push button switch and key sheet manufacturing method (2014-09-02),

5. 8691368 - Thermally conductive sheet and method of manufacturing the same (2014-04-08),

6. 8479899 - Damper, and electronic component and electronic apparatus equipped with the damper (2013-07-09),

7. 8439690 - Connector (2013-05-14),

8. 8419448 - Elastic connector, method of manufacturing elastic connector, and electric connection tool (2013-04-16),

9. 8377557 - Thermally conductive sheet composite and method for manufacturing the same (2013-02-19),

10. 8287975 - Laminated body (2012-10-16),

11. 8221883 - Graphite sheet and manufacturing method of the same (2012-07-17),

12. 8137806 - Thermal diffusion sheet and method for positioning thermal diffusion sheet (2012-03-20),

13. 8106320 - Decorative sheet, decorative molded body, decorative key sheet, and decorative sheet manufacturing method (2012-01-31),

14. 8072425 - Key sheet for a pointing device and pointing device (2011-12-06),

15. 8013262 - Key sheet (2011-09-06),

Polymatech Co., Ltd. is a leading company specialized in the development and manufacturing of advanced polymers and materials. With decades of experience and expertise, we offer a wide range of innovative solutions for various industries including automotive, electronics, healthcare, and more. Our dedicated team of researchers, engineers, and technicians work tirelessly to deliver high-quality products that meet the evolving needs of our customers. Visit our website to learn more about our cutting-edge materials and how we can help enhance your business.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 15 2026

117 Patents

#502 in Tokyo

#1,029 in Japan

#6,784 in the World

Polymatech Co., Ltd.

Forward Citations = 1,328

82 inventors:

Masayuki Tobita (15 out of 16 patents)

Hideaki Konno (9 out of 9 patents)

Naoyuki Shimoyama (9 out of 9 patents)

4. Shinya Tateda (9 out of 9 patents)

5. Toru Kimura (7 out of 52 patents)

Please report any incorrect information to [email protected]

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