% Expired Patents = 75.0

Forward Citations = 4

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1 inventor (with patents filed for the assignee):

Yukio Koyanagi (4 out of 19 patents)

4 patents: Sort by Forward Citations

1. 6785644 - Alternate window compression/decompression method, apparatus, and system (2004-08-31),

2. 6486815 - Oversampling circuit and digital/analog converter (2002-11-26),

3. 6483451 - Sampling function waveform data generating device (2002-11-19),

4. 6448918 - Digital/analog converter (2002-09-10),

Company Overview

Yasue Sakai is a Japanese fashion designer known for her minimalist and elegant designs. With a focus on high-quality materials and expert craftsmanship, Sakai's collections embody a timeless sophistication. Her designs have garnered international acclaim and are favored by fashion-forward individuals worldwide.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

4 Patents

#124 in Saitama 343-0827

#7,588 in Japan

Saitama, Japan

Yasue Sakai

Forward Citations = 4

1 inventor:

Yukio Koyanagi (4 out of 19 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Yasue Sakai. Retrieved from https://idiyas.com/company/yasue-sakai

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]