Retail & Household
| Fri 15 May 2026
Beijing, May 15 -- Tianjin Yige Tech Co Ltd has applied Chinese patent for Household Sleeping Device. Qi Hongsheng developed it.
The patent application number is CN202511623495 20251107. The patent publication number is CN121312960 (A). International Patent Classification codes are A47C17/52, A47C19/22, A47C21/04, F21V23/04, ..