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Kanagawa, Japan

Sumitomo Electric Device Innovations, Inc.

USPTO Granted Patents = 335

EPO Patents = 20

Forward Citations = 316

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234 inventors (with patents filed for the assignee):

Hirokazu Tanaka (15 out of 45 patents)

Masahiro Nishi (14 out of 20 patents)

Tsutomu Komatani (13 out of 13 patents)

4. Masahiro Hirayama (11 out of 11 patents)

5. Masao Shibata (11 out of 11 patents)

6. Mitsuyoshi Miyata (11 out of 11 patents)

7. Ryota Teranishi (10 out of 10 patents)

8. Yoshihiro Yoneda (10 out of 48 patents)

9. Toshiyuki Kosaka (9 out of 9 patents)

10. Naoyuki Miyazawa (9 out of 9 patents)

11. Hajime Matsuda (9 out of 14 patents)

12. Ken Nakata (8 out of 32 patents)

13. Takuya Okimoto (8 out of 12 patents)

14. Takeshi Okada (7 out of 67 patents)

15. Tadashi Watanabe (7 out of 9 patents)

Core Competencies:

Semiconductor Device

Optical Transceiver

Microwave Integrated Circuit

Capacitor Manufacturing

Optical Module

Amplification Device

Optical Semiconductor Device

Communication System

Doherty Amplifier

High Frequency Package

Electronic Module

Predistortion System

335 patents: Sort by Forward Citations

1. 12482770 - Semiconductor device and method of making semiconductor device (2025-11-25),

2. 12469804 - Semiconductor device, monolithic microwave integrated circuit, semiconductor package, and method of manufacturing semiconductor device (2025-11-11),

3. 12464800 - Semiconductor device (2025-11-04),

4. 12463119 - Semiconductor device and semiconductor device manufacturing method (2025-11-04),

5. 12456681 - Electronic device (2025-10-28),

6. 12437926 - Capacitor and method of manufacturing the same (2025-10-07),

7. 12429657 - Optical device and manufacturing method for optical device (2025-09-30),

8. 12424570 - Semiconductor device (2025-09-23),

9. 12401138 - Semiconductor device (2025-08-26),

10. 12392972 - Optical transceiver (2025-08-19),

11. 12336200 - Metal-insulator-metal (MIM) capacitor with additional electrode embedded in insulating film (2025-06-17),

12. 12328101 - Amplification device and matching circuit board (2025-06-10),

13. 12243927 - Semiconductor device having nickel oxide film on gate electrode (2025-03-04),

14. 12222562 - Optical apparatus, light emitting apparatus, optical cable, and method of connecting optical apparatus (2025-02-11),

15. 12198978 - Method of manufacturing semiconductor device (2025-01-14),

Sumitomo Electric Device Innovations, Inc. is a leading provider of advanced electronic devices and components. With a focus on innovation, the company specializes in the development and manufacturing of high-quality semiconductor devices, optical devices, and power supply products. Their cutting-edge technologies and solutions enable various industries including automotive, telecommunications, and industrial automation. Through continuous research and development, Sumitomo Electric Device Innovations aims to contribute to the advancement of society.

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

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

335 Patents

#13 in Kanagawa

#481 in Japan

#2,617 in the World

Kanagawa, Japan

Sumitomo Electric Device Innovations, Inc.

Forward Citations = 316

234 inventors:

Hirokazu Tanaka (15 out of 45 patents)

Masahiro Nishi (14 out of 20 patents)

Tsutomu Komatani (13 out of 13 patents)

4. Masahiro Hirayama (11 out of 11 patents)

5. Masao Shibata (11 out of 11 patents)

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