Trademarks = 8

Forward Citations = 305

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4 inventors (with patents filed for the assignee):

Rira Yasoshima (12 out of 15 patents)

Ryo Yasoshima (6 out of 9 patents)

Haruo Yasoshima (2 out of 2 patents)

4. Rira Yasohima (1 out of 1 patent)

21 patents: Sort by Forward Citations

1. D449062 - Stamp pad with articulated hinge (2001-10-10),

2. D447166 - Stamp pad with ink vessel (2001-08-29),

3. 6199482 - Stamp pad with rotary lid and articulated hinge (2001-03-13),

4. 6178885 - Ink vessel-containing stamp pad (2001-01-30),

5. D428434 - Stamp pad with articulated hinge (2000-07-18),

6. D427624 - Stamp pad with an ink vessel (2000-07-04),

7. D419180 - Stamp pad container (2000-01-18),

8. 5870796 - Buffer brush for stenciling (1999-02-16),

9. 5865892 - Expandable stamp pad (1999-02-02),

10. 5865305 - Stencil case and stencil set in a case (1999-02-02),

11. D400567 - Combined stamp pad and container (1998-11-03),

12. D389509 - Combined stamp pad and support (1998-01-20),

13. D389174 - Stamp pad container (1998-01-13),

14. D382581 - Combined stamp pad and container (1997-08-19),

15. 5653804 - Method of stamping expandable stamp pad (1997-08-05),

Company Overview

Tsukineko, Inc. is a prominent manufacturer specializing in innovative ink and crafting products, primarily serving the arts and crafts industry. Based in Redmond, Washington, the company is known for its high-quality inks, including pigment and dye-based options, which cater to a variety of creative applications. Tsukineko's commitment to research and development drives its focus on enhancing user experience and expanding the possibilities for artists and crafters, making it a key player in the crafting supplies market.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 6 2026

21 Patents

#35 in Redmond, WA

#336 in Washington

#15,681 in US

#29,928 in the World

Redmond, WA, United States of America

Tsukineko, Inc.

Forward Citations = 305

4 inventors:

Rira Yasoshima (12 out of 15 patents)

Ryo Yasoshima (6 out of 9 patents)

Haruo Yasoshima (2 out of 2 patents)

4. Rira Yasohima (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Tsukineko, Inc.. Retrieved from https://idiyas.com/company/tsukineko

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]