IP Library › Granted Patent US 12,718,621
Granted Patent B2
US 12,718,621 · App. 18/453,891 · Granted Aug 25, 2026

Sign language recognition using parameter keypoints

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Quick Facts
Patent No.
US 12,718,621
App. No.
18/453,891
Filed
Aug 22, 2023
Granted
Aug 25, 2026
Kind
B2
Examiner
HON, MING Y
Art Unit
2666
USPC
382/103
Assignments (3)
CORRECTIVE ASSIGNMENT TO CORRECT THE THE ASSIGNMENT DOCUMENT FOR ESDRAS SOUTO COSTA PREVIOUSLY RECORDED ON REEL 65995 FRAME 509. ASSIGNOR(S) HEREBY CONFIRMS THE THE ASSIGNMENT. Recorded May 1, 2026
From: DE MELO DAHIA, MARCIO LEAL; DA SILVA, SILVAN FERREIRA, JUNIOR; NASCIMENTO, IGOR VICTOR LUCENA DO; ROE, EDWARD; COSTA, ESDRAS SOUTO; NETO, ALBERTO CHAVES REZENDE; ROCHA, JAMPIERRE VIEIRA
To: LENOVO (UNITED STATES) INC.
Reel/Frame 075315/0194 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 11, 2024
From: LENOVO (UNITED STATES) INC.
To: LENOVO (SINGAPORE) PTE. LTD.
Reel/Frame 066104/0104 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 2, 2024
From: DE MELO DAHIA, MARCIO LEAL; DA SILVA JUNIOR, SILVAN FERREIRA; NASCIMENTO, IGOR VICTOR LUCENA DO; ROE, EDWARD; COSTA, ESDRAS SOUTO; NETO, ALBERTO CHAVES REZENDE; ROCHA, JAMPIERRE VIEIRA
To: LENOVO (UNITED STATES) INC.
Reel/Frame 065995/0509 →
Continuity (1)
Related Publication 20250069443A1 · Feb 27, 2025
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