EPO Patents = 8

Forward Citations = 58

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4 inventors (with patents filed for the assignee):

Akihiro Tanaka (9 out of 119 patents)

Hironori Aso (3 out of 4 patents)

Hiroshi Hiyama (1 out of 1 patent)

4. Akihiro Tanaka (1 out of 1 patent)

5. Tanaka Akihiro (0 patent)

6. Keigo Koyanagi (0 patent)

7. Aso Hironori (0 patent)

13 patents: Sort by Forward Citations

1. 12507791 - Cosmetic applicator (2025-12-30),

2. 11653740 - Cosmetic container (2023-05-23),

3. 11357307 - Cosmetic applicator (2022-06-14),

4. 10897975 - Cosmetic applicator (2021-01-26),

5. 10674807 - Cosmetic brush (2020-06-09),

6. 10667594 - Wiper for cosmetic container (2020-06-02),

7. D869755 - Cosmetic applicator (2019-12-10),

8. D854744 - Cosmetic applicator (2019-07-23),

9. D841988 - Cosmetic applicator (2019-03-05),

10. D841987 - Cosmetic applicator (2019-03-05),

11. D830628 - Cosmetic applicator (2018-10-09),

12. 9259074 - Cosmetic application instrument (2016-02-16),

13. 7223034 - Liquid paint coater (2007-05-29),

Company Overview

Sinwa Corporation, based in Yokohama, Japan, specializes in the development and manufacturing of advanced industrial equipment and systems. The company focuses on providing innovative solutions in various sectors, including marine technology, environmental systems, and industrial machinery. With a commitment to quality and technological advancement, Sinwa aims to enhance operational efficiency and sustainability across its product offerings, catering to both domestic and international markets.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

13 Patents

#74 in Yokohama

#3,752 in Japan

#45,081 in the World

Yokohama, Japan

Sinwa Corporation

Forward Citations = 58

4 inventors:

Akihiro Tanaka (9 out of 119 patents)

Hironori Aso (3 out of 4 patents)

Hiroshi Hiyama (1 out of 1 patent)

4. Akihiro Tanaka (1 out of 1 patent)

5. Tanaka Akihiro (0 patent)

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

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]

8 patents (EPO):

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]