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For the Inventor, By the Inventor

Tokyo, Japan

Dena Co., Ltd.


USPTO Granted Patents = 166

% Expired Patents = 63.9


Trademarks = 4

Forward Citations = 269

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211 inventors (with patents filed for the assignee):

goldMedal Naoto Yoshie (9 out of 9 patents)

silverMedal Yuuki Abe (8 out of 15 patents)

bronzeMedal Sadaaki Satsuma (8 out of 8 patents)

4.  Yuzo Takagi (8 out of 10 patents)

5.  Hironori Bono (7 out of 8 patents)

6.  Kazuto Shibata (6 out of 6 patents)

7.  Minehiro Nagata (6 out of 6 patents)

8.  Akihiro Suga (6 out of 6 patents)

9.  Yuji Ukai (6 out of 6 patents)

10.  Taku Kojo (6 out of 6 patents)

11.  Takehiro Kusano (6 out of 6 patents)

12.  Toshinori Suzuki (5 out of 39 patents)

13.  Masatoshi Inagawa (5 out of 11 patents)

14.  Kyohei Yamaguchi (5 out of 10 patents)

15.  Makoto Yamaguchi (5 out of 37 patents)


Core Competencies:
Live Video
Information Processing
Game Program
Avatar Management
Audio Chat
Image Compression
Server Device
User Authentication
Digital Content
Gaming System
Video Game
Virtual Space

166 patents:

1. 12003801 - System, method, and computer-readable medium including program for distributing live video (2024-06-04),
2. 11915555 - Information processing system, information processing method, computer-readable non- transitory storage medium having stored therein information processing program, and information processing apparatus (2024-02-27),
3. 11902596 - System, method, and non-transitory computer-readable medium including instructions for distributing live video (2024-02-13),
4. 11882338 - System, method, and computer-readable medium including program for distributing live video (2024-01-23),
5. 11818437 - System, method, and computer-readable medium including program for distributing live video (2023-11-14),
6. 11750852 - System, method, and computer-readable medium including program for providing live video distribution service (2023-09-05),
7. 11589130 - System, method, and program for distributing live video (2023-02-21),
8. 11503346 - System, method, and computer-readable medium including program for distributing live video (2022-11-15),
9. 11183014 - Information processing system, information processing method, computer-readable non-transitory storage medium having stored therein information processing program, and information processing apparatus (2021-11-23),
10. 11115684 - System, method, and program for distributing live video (2021-09-07),
11. 10872268 - Information processing device, information processing program, and information processing method (2020-12-22),
12. 10839584 - System, method, and program for managing evaluation of avatar images (2020-11-17),
13. 10780351 - Information processing device and information processing program (2020-09-22),
14. 10717008 - Information processing system, information processing apparatus, storage medium having stored therein information processing program, and information processing method (2020-07-21),
15. 10688397 - Information processing device, non-transitory computer readable medium, and information processing method (2020-06-23),
Company Overview
Dena Co., Ltd., headquartered in Tokyo, specializes in live video distribution technologies. The company focuses on developing innovative solutions that enhance user experiences in digital environments, particularly through live video streaming and interactive applications. Its core technology areas include information processing, game programming, avatar management, audio chat, image compression, server devices, and user authentication. Dena is committed to advancing the digital landscape by integrating these technologies into engaging platforms for users worldwide.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 6 2026

Dena Co., Ltd.
166 Patents

#403 in Tokyo

#798 in Japan

#4,968 in the World

Tokyo, JP
Tokyo, Japan

Dena Co., Ltd.

Forward Citations = 269

211 inventors:

goldMedal Naoto Yoshie (9 out of 9 patents)

silverMedal Yuuki Abe (8 out of 15 patents)

bronzeMedal Sadaaki Satsuma (8 out of 8 patents)

4.  Yuzo Takagi (8 out of 10 patents)

5.  Hironori Bono (7 out of 8 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Dena Co., Ltd.. Retrieved from https://idiyas.com/company/dena-company

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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