Yamasa Co., Ltd.

Calculating rank

USPTO Granted Patents = 6

% Expired Patents = 83.3

Trademarks = 9

Forward Citations = 122

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7 inventors (with patents filed for the assignee):

Takahisa Kaneko (6 out of 30 patents)

Masaaki Ozaki (6 out of 23 patents)

Ken Nishioka (6 out of 14 patents)

4. Takashi Yamaguchi (6 out of 6 patents)

5. Tsuneo Uchida (5 out of 14 patents)

6. Hiroshi Kawakami (5 out of 6 patents)

7. Yoshio Aoki (5 out of 10 patents)

6 patents: Sort by Forward Citations

1. 8708799 - Gaming machine (2014-04-29),

2. 8360853 - Game machine including variable pattern display units (2013-01-29),

3. 8162317 - Game machine including variable pattern display units (2012-04-24),

4. 7806407 - Game machine including variable pattern display units (2010-10-05),

5. 7677572 - Pattern display device and game machine (2010-03-16),

6. 7255643 - Pattern display device and game machine including the same (2007-08-14),

Company Overview

Yamasa Co., Ltd. is a Japanese food company that specializes in producing soy sauce and various seasonings. The company has been in operation since 1645 and has a long history of providing high-quality products to customers worldwide. Yamasa is committed to producing authentic and delicious condiments that enhance the flavor of dishes in homes and restaurants.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 27 2026

6 Patents

#32 in Okayama

#5,990 in Japan

Okayama, Japan

Yamasa Co., Ltd.

Forward Citations = 122

7 inventors:

Takahisa Kaneko (6 out of 30 patents)

Masaaki Ozaki (6 out of 23 patents)

Ken Nishioka (6 out of 14 patents)

4. Takashi Yamaguchi (6 out of 6 patents)

5. Tsuneo Uchida (5 out of 14 patents)

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