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For the Inventor, By the Inventor

Shiga, Japan

Ssd Company Limited

Calculating rank
USPTO Granted Patents = 47

% Expired Patents = 68.1


Forward Citations = 453

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20 inventors (with patents filed for the assignee):

goldMedal Hiromu Ueshima (31 out of 31 patents)

silverMedal Shuhei Kato (17 out of 31 patents)

bronzeMedal Koichi Sano (6 out of 6 patents)

4.  Katsuya Nakagawa (6 out of 36 patents)

5.  Kunihiro Tanaka (3 out of 3 patents)

6.  Keiichi Yasumura (2 out of 2 patents)

7.  Masaki Ohashi (2 out of 2 patents)

8.  Tomotaka Takahashi (2 out of 9 patents)

9.  Lee Man-tat (2 out of 3 patents)

10.  Akira Muto (1 out of 29 patents)

11.  Kenichi Saitoh (1 out of 11 patents)

12.  Hiroyuki Aimoto (1 out of 1 patent)

13.  Mark Kanghyeon Kim (1 out of 1 patent)

14.  Hitoshi Obori (1 out of 1 patent)

15.  Koichi Usami (1 out of 1 patent)


Core Competencies:
Sensing Ball Game Machine
Remote Code Reader
Image Sensor
Exercise Assisting Device
Impact Detector
Data Processing Unit
Music Game System
Motion Detection
Game System
Sound Processor
Karaoke Device
Color Graphics Processor

47 patents:

1. 9033782 - Sensing ball game machine (2015-05-19),
2. 8480490 - Sensing ball game machine (2013-07-09),
3. 8439255 - Remote code reader system (2013-05-14),
4. 8374541 - Group response detecting system, communication system, input device and communication control device (2013-02-12),
5. 8350912 - Image sensor and image sensor system (2013-01-08),
6. 8272954 - Foot input type brain training device and computer program (2012-09-25),
7. 8128533 - Exercise assisting method, exercise appliance, and information processor (2012-03-06),
8. 8083604 - Information processing apparatus provided with input system utilizing stroboscope (2011-12-27),
9. 8049758 - Sensing ball game machine (2011-11-01),
10. 8009866 - Exercise support device, exercise support method and recording medium (2011-08-30),
11. 7963851 - Entertainment device using cards (2011-06-21),
12. 7932908 - Apparatus systems, and the methods for stimulating movement of a ball in response to a signal generated in an input device moved by a game player (2011-04-26),
13. 7930921 - Impact detector and controller for pseudoexperience device (2011-04-26),
14. 7908416 - Data processing unit and bus arbitration unit (2011-03-15),
15. 7866834 - Input device (2011-01-11),
Company Overview
Ssd Company Limited, based in Shiga, Japan, specializes in the development and manufacturing of advanced gaming and sensing technologies. The company focuses on innovative solutions such as sensing ball game machines, image sensor systems, and exercise assisting devices. Additionally, Ssd is engaged in creating impact detectors, motion detection apparatuses, and music game systems, alongside video game controllers and robotic technologies. Their expertise positions them at the forefront of interactive entertainment and sensor technology.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 10 2026

47 Patents

#9 in Shiga

#1,786 in Japan

#14,854 in the World

Shiga, JP
Shiga, Japan

Ssd Company Limited

Forward Citations = 453

20 inventors:

goldMedal Hiromu Ueshima (31 out of 31 patents)

silverMedal Shuhei Kato (17 out of 31 patents)

bronzeMedal Koichi Sano (6 out of 6 patents)

4.  Katsuya Nakagawa (6 out of 36 patents)

5.  Kunihiro Tanaka (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Ssd Company Limited. Retrieved from https://idiyas.com/company/ssd-company

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

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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