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For the Inventor, By the Inventor

Tokyo, Japan

Universal Sales Co., Ltd.

USPTO Granted Patents = 20

Forward Citations = 1,390

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14 inventors (with patents filed for the assignee):

goldMedal Yukinori Inamura (4 out of 46 patents)

silverMedal Isao Sunaga (4 out of 7 patents)

bronzeMedal Hiroyuki Danjo (4 out of 6 patents)

4.  Kazuo Okada (3 out of 230 patents)

5.  Kazuyoshi Ishibashi (3 out of 3 patents)

6.  Yasuo Suzuki (3 out of 99 patents)

7.  Susumu Takeuchi (2 out of 11 patents)

8.  Takaaki Hishinuma (2 out of 2 patents)

9.  Kiyoshi Sugimoto (1 out of 5 patents)

10.  Masami Tamaki (1 out of 6 patents)

11.  Yoshikazu Sakamoto (1 out of 8 patents)

12.  Reiji Sugihara (1 out of 3 patents)

13.  Yasuo Hirano (1 out of 2 patents)

14.  Masaki Ogawa (1 out of 35 patents)


20 patents:

1. 6669561 - Game machine (2003-12-30),
2. 6506116 - Game machine (2003-01-14),
3. 6464221 - Coin receiving pan of a game machine having a tray with grooves for arranging coins (2002-10-15),
4. 6179712 - Game machine having speaker (2001-01-30),
5. 6174233 - Game machine (2001-01-16),
6. 6128008 - Display tester for game machine (2000-10-03),
7. 6106393 - Game machine (2000-08-22),
8. 6095916 - Coin lifting mechanism (2000-08-01),
9. 6047966 - Game machine having groove for arranging coins (2000-04-11),
10. 5989121 - Game machine in capable of controlling game aspect (1999-11-23),
11. 5868614 - Coin dispenser (1999-02-09),
12. 5863039 - Paper money dealing apparatus (1999-01-26),
13. 5810654 - Coin supply and collection apparatus for gaming machines (1998-09-22),
14. 5695188 - Gaming machine generating distinct sounds for each symbol (1997-12-09),
15. 5667439 - Gaming machine (1997-09-16),
Company Overview
Universal Sales Co., Ltd. is a Tokyo-based company specializing in the development and manufacturing of a diverse range of products, primarily focusing on consumer electronics and industrial equipment. The company is known for its innovative solutions that cater to various sectors, including telecommunications and automation. With a commitment to quality and technological advancement, Universal Sales aims to enhance user experience and operational efficiency across its product lines, contributing to the evolving landscape of technology in Japan and beyond.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 20 2026

20 Patents

#1,343 in Tokyo

#2,945 in Japan

#31,295 in the World

Tokyo, JP
Tokyo, Japan

Universal Sales Co., Ltd.

Forward Citations = 1,390

14 inventors:

goldMedal Yukinori Inamura (4 out of 46 patents)

silverMedal Isao Sunaga (4 out of 7 patents)

bronzeMedal Hiroyuki Danjo (4 out of 6 patents)

4.  Kazuo Okada (3 out of 230 patents)

5.  Kazuyoshi Ishibashi (3 out of 3 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Universal Sales Co., Ltd.. Retrieved from https://idiyas.com/company/universal-sales-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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