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Sumitomo Bakelite Company Limited

USPTO Granted Patents = 613

CIPO Patents = 7

EPO Patents = 139

Trademarks = 31

Forward Citations = 7,867

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796 inventors (with patents filed for the assignee):

Takashi Hirano (21 out of 81 patents)

Larry Funderburk Rhodes (21 out of 122 patents)

Toshio Banba (18 out of 20 patents)

4. Takeshi Hosomi (14 out of 17 patents)

5. Andrew Bell (13 out of 65 patents)

6. Tetsuya Mori (12 out of 12 patents)

7. Yukihiko Sakaguchi (11 out of 12 patents)

8. Koji Choki (11 out of 11 patents)

9. Satoru Katsurayama (11 out of 11 patents)

10. Yasuo Noguchi (11 out of 13 patents)

11. Mitsuo Sugino (10 out of 10 patents)

12. Sumiya Miyake (10 out of 10 patents)

13. Kensuke Nakamura (9 out of 39 patents)

14. Toru Meura (9 out of 9 patents)

15. Kenichi Kanemasa (9 out of 9 patents)

Core Competencies:

Powder Coating Material

Optical Sheet

Phenol Resin Composition

Biomedical Electrode

Electromagnetic Wave Shielding

Thermosetting Resin Composition

Medical Device

Conductive Paste

Resin Composition

Silicone Rubber-Based Composition

Coryneform Bacterium Transformant

Medical Instrument

613 patents: Sort by Forward Citations

1. 12507742 - Belt and clothing (2025-12-30),

2. 12486407 - Powder coating material (2025-12-02),

3. 12442954 - Optical sheet and optical component (2025-10-14),

4. 12435216 - Phenol resin composition (2025-10-07),

5. 12402246 - Circuit board (2025-08-26),

6. 12384902 - Insulating paste (2025-08-12),

7. 12325794 - Silicone rubber-based curable composition, structure, wearable device, and method for manufacturing structure (2025-06-10),

8. 12325784 - Elastomer and molded body (2025-06-10),

9. 12295394 - Water-soluble additive composition (2025-05-13),

10. 12226214 - Biomedical electrode, biomedical sensor, and biomedical signal measurement system (2025-02-18),

11. 12153345 - Photosensitive resin composition (2024-11-26),

12. 12116479 - Sealing resin composition (2024-10-15),

13. 12114417 - Circuit board (2024-10-08),

14. 12006527 - Coryneform bacterium transformant and method for producing 2-phenylethanol using same (2024-06-11),

15. 11987695 - Resin composition for forming magnetic member and method for manufacturing magnetic member (2024-05-21),

Sumitomo Bakelite Company Limited is a global specialty chemicals company that offers innovative solutions in a wide range of industries. With a commitment to sustainability, Sumitomo Bakelite leverages its expertise in advanced materials to develop products for automotive, electronics, healthcare, and other sectors. Through continuous research and development, Sumitomo Bakelite aims to contribute to a better future.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 30 2025

613 Patents

#139 in Tokyo

#317 in Japan

#1,563 in the World

Sumitomo Bakelite Company Limited

Forward Citations = 7,867

796 inventors:

Takashi Hirano (21 out of 81 patents)

Larry Funderburk Rhodes (21 out of 122 patents)

Toshio Banba (18 out of 20 patents)

4. Takeshi Hosomi (14 out of 17 patents)

5. Andrew Bell (13 out of 65 patents)

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