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Maruha Corporation

USPTO Granted Patents = 17

% Expired Patents = 35.3

Trademarks = 1

Forward Citations = 267

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51 inventors (with patents filed for the assignee):

Nobuyuki Sato (7 out of 14 patents)

Masazumi Nishikawa (5 out of 9 patents)

Hiroshi Oda (4 out of 23 patents)

4. Tadakazu Tamai (4 out of 6 patents)

5. Yoshihiro Urade (3 out of 16 patents)

6. Kosuke Seiki (3 out of 7 patents)

7. Hiroshi Nakajima (3 out of 6 patents)

8. Naomi Eguchi (2 out of 6 patents)

9. Nobuaki Yatsuka (2 out of 2 patents)

10. Shigeru Moriyama (2 out of 2 patents)

11. Ryoichi Sato (2 out of 2 patents)

12. Takamasa Tsuchida (2 out of 2 patents)

13. Tomohiro Takeda (2 out of 2 patents)

14. Hiromi Nagayama (2 out of 2 patents)

15. Tomoaki Ooguri (2 out of 2 patents)

17 patents: Sort by Forward Citations

1. 7399596 - Method for predicting pregnancy-induced hypertension (2008-07-15),

2. 7314727 - Methods to facilitate diagnosis of normal pressure hydrocephalus (2008-01-01),

3. 7109044 - Method of detection and disease state management for renal diseases (2006-09-19),

4. 7008783 - Gene encoding chondroitinase ABC and uses therefor (2006-03-07),

5. 6949553 - Aliphatic compounds, their synthesis method, and utilization of the same (2005-09-27),

6. 6894034 - Sebum production inhibitors (2005-05-17),

7. 6835846 - Aliphatic compounds, process for their preparation and their usage (2004-12-28),

8. 6613897 - Compounds having glucuronic acid derivatives and glucosamine derivative in the structure, process for producing the same and utilization thereof (2003-09-02),

9. 5571683 - .beta.-glucans detection reagents and methods of detecting .beta.-glucans (1996-11-05),

10. 5569481 - Process for producing flake style food (1996-10-29),

11. 5567730 - Method of stabilizing an .omega.-3 unsaturated fatty acid compound (1996-10-22),

12. 5523395 - Lectin species obtained from Japanese horseshoe crabs and from southern (1996-06-04),

13. 5516666 - Alginate oligosaccharide and method for producing the same (1996-05-14),

14. 5460957 - Calcium alginate oligosaccharide and method for producing the same from (1995-10-24),

15. 5453289 - Method of processing Alaska pollack roe (1995-09-26),

Company Overview

Maruha Corporation, headquartered in Tokyo, specializes in the development and manufacturing of a diverse range of food products, particularly seafood and processed foods. The company is dedicated to sustainable practices and innovation in food technology, ensuring high-quality offerings that cater to both domestic and international markets. With a strong emphasis on research and development, Maruha Corporation continuously explores advancements in food safety, preservation, and nutritional enhancement, positioning itself as a leader in the food industry.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

17 Patents

#1,454 in Tokyo

#3,226 in Japan

#35,887 in the World

Maruha Corporation

Forward Citations = 267

51 inventors:

Nobuyuki Sato (7 out of 14 patents)

Masazumi Nishikawa (5 out of 9 patents)

Hiroshi Oda (4 out of 23 patents)

4. Tadakazu Tamai (4 out of 6 patents)

5. Yoshihiro Urade (3 out of 16 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Maruha Corporation. Retrieved from https://idiyas.com/company/maruha

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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