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Saraya Co., Ltd.

USPTO Granted Patents = 25

% Expired Patents = 4.0

EPO Patents = 9

Trademarks = 10

Forward Citations = 186

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50 inventors (with patents filed for the assignee):

Emiko Kawamukai (6 out of 6 patents)

Yoshihiko Hirata (6 out of 8 patents)

Tomomasa Itarashiki (5 out of 5 patents)

4. Satomi Sakai (4 out of 4 patents)

5. Michiaki Araki (4 out of 6 patents)

6. Haijun Zhang (3 out of 10 patents)

7. Daiki Anraku (3 out of 3 patents)

8. Mizuyuki Ryu (3 out of 3 patents)

9. Ichiro Saraya (3 out of 3 patents)

10. Madan Mali (2 out of 2 patents)

11. Taro Furuta (2 out of 3 patents)

12. Hitoshi Ito (2 out of 2 patents)

13. Jianglong Yu (2 out of 2 patents)

14. Qinghai Zhao (2 out of 2 patents)

15. Nanase Ishii (2 out of 2 patents)

Core Competencies:

Oxidant Composition

Ultrafine Bubble Generator

Cryopreservation Composition

Aroma Diffuser

Sterilization Device

Packaging Bottle

Reagent Kit

Sophorolipid Compound

Liquid Supplying System

Fluid Container Unit

Automatic Cleansing Nozzle

Infectious Disease Prevention

25 patents: Sort by Forward Citations

1. 12514943 - Oxidant composition for suppressing loss of adhesive durability, and use of same (2026-01-06),

2. 12478928 - Ultrafine bubble generator and ultrafine bubble generation method (2025-11-25),

3. 12127553 - Cell cryopreservation composition and cryopreservation method (2024-10-29),

4. D1030999 - Aroma diffuser (2024-06-11),

5. 11890388 - Sterilization method and sterilization device (2024-02-06),

6. D1009635 - Packaging bottle for liquid personal care and home care products with dispensing pump (2024-01-02),

7. 11572578 - Reagent kit for detecting biofilm and method for detecting biofilm (2023-02-07),

8. 11333610 - Percarboxylic acid concentration determination tool and indicator solution used in preparing same (2022-05-17),

9. 11312928 - Detergent composition comprising an acidic sophorose lipid and fatty acid salt mixture (2022-04-26),

10. 10752650 - Sophorolipid compound and composition comprising same (2020-08-25),

11. 10736323 - Acidic oxidant-containing composition having aluminum corrosion-suppressing effect and use thereof (2020-08-11),

12. 10688031 - Low-toxicity sophorolipid-containing composition and use therefor (2020-06-23),

13. 10444050 - Liquid supplying system and method for driving same (2019-10-15),

14. 10357585 - Liquid supplying system (2019-07-23),

15. 10307466 - Composition comprising sophorolipid, physiologically active substance and oil or fat, and method for producing the same (2019-06-04),

Company Overview

Saraya Co., Ltd., headquartered in Osaka, Japan, specializes in the development and manufacturing of hygiene and health products. The company focuses on creating innovative solutions in the fields of sanitation, personal care, and food safety, contributing to public health and environmental sustainability. Saraya is recognized for its commitment to research and development, continually advancing technologies that promote cleanliness and safety across various sectors, including healthcare and food service.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

25 Patents

#278 in Osaka

#2,572 in Japan

#25,730 in the World

Saraya Co., Ltd.

Forward Citations = 186

50 inventors:

Emiko Kawamukai (6 out of 6 patents)

Yoshihiko Hirata (6 out of 8 patents)

Tomomasa Itarashiki (5 out of 5 patents)

4. Satomi Sakai (4 out of 4 patents)

5. Michiaki Araki (4 out of 6 patents)

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