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Dwango Co., Ltd.

USPTO Granted Patents = 95

% Expired Patents = 5.3

EPO Patents = 2

Trademarks = 4

Forward Citations = 105

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60 inventors (with patents filed for the assignee):

Takashi Kojima (40 out of 100 patents)

Nobuo Kawakami (37 out of 40 patents)

Shinnosuke Iwaki (24 out of 28 patents)

4. Hiroaki Saito (22 out of 44 patents)

5. Kazuya Asano (10 out of 11 patents)

6. Kentarou Matsui (7 out of 7 patents)

7. Naoki Yamaguchi (7 out of 7 patents)

8. Kaisei Sakurai (7 out of 7 patents)

9. Kouichi Nakamura (6 out of 13 patents)

10. Toshihiro Shimizu (6 out of 7 patents)

11. Hiroki Shimomura (6 out of 6 patents)

12. Kazuomi Niwa (5 out of 5 patents)

13. Kenichi Miyazaki (3 out of 4 patents)

14. Shigeo Okajima (3 out of 3 patents)

15. Hiroto Tamura (3 out of 4 patents)

Core Competencies:

Content Distribution

Video Delivery

Virtual Processing

Display Medium

Communication Device

Augmented Reality

Content Generation

Comment Distribution

Server System

Video Synthesis

Information Processing

User Interface

95 patents: Sort by Forward Citations

1. 12506934 - Moving-image delivery system, playback device, playback method, program, and recording medium (2025-12-23),

2. 12488699 - Class system, viewing terminal, information processing method, and program (2025-12-02),

3. 12477166 - Content distribution system, content distribution method, and computer program (2025-11-18),

4. 12464177 - Video distribution device, video distribution method, and recording media (2025-11-04),

5. 12461592 - Communication assistance system, communication assistance method, and communication assistance program (2025-11-04),

6. 12431045 - Display medium, processing apparatus, program, and computer-readable recording medium provided with program recorded thereon (2025-09-30),

7. 12327490 - Content provision system, content provision method, and content provision program (2025-06-10),

8. 12292628 - Display medium, display assistance medium, processing device, program, and computer-readable recording medium where program is recorded (2025-05-06),

9. 12289501 - Management server, user terminal, gift system, and information processing method (2025-04-29),

10. 12244551 - System, method, and program for specifying character-string-based comment art (2025-03-04),

11. 12243120 - Content distribution system, content distribution method, and content distribution program (2025-03-04),

12. 12236538 - Viewing terminal, viewing method, viewing system, and program (2025-02-25),

13. 12184920 - Video distributing device, video distributing method, and recording media (2024-12-31),

14. 12183239 - Display medium, processing device, and processing program (2024-12-31),

15. 12155873 - Video distribution device, video distribution method, and video distribution program (2024-11-26),

DWANGO CO., LTD. is a Japanese company that provides various digital entertainment services. It operates as a holding company for multiple subsidiaries engaged in different entertainment sectors such as anime, music, gaming, and broadcasting. DWANGO offers a wide range of online content, including streaming services, online games, virtual reality experiences, and broadcasting platforms.

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

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

Dwango Co., Ltd.

95 Patents

#558 in

#1,151 in

#8,082 in the World

Dwango Co., Ltd.

Forward Citations = 105

60 inventors:

Takashi Kojima (40 out of 100 patents)

Nobuo Kawakami (37 out of 40 patents)

Shinnosuke Iwaki (24 out of 28 patents)

4. Hiroaki Saito (22 out of 44 patents)

5. Kazuya Asano (10 out of 11 patents)

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