Inventor
SIEW CHEE KONG
SG9 patents
⚠️ This page may combine multiple inventors who share the name “SIEW CHEE KONG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
FREESYSTEMS PTE LTD
5 patentsUS6510182B1Jan 21, 2003
Wireless infrared digital audio system
FREESYSTEMS PTE LTD50 citations92
US6741659B1May 25, 2004
Wireless infrared digital audio transmitting system
FREESYSTEMS PTE LTD23 citations91
US6671325B2Dec 30, 2003
Wireless infrared digital audio system
FREESYSTEMS PTE LTD27 citations91
US6614849B1Sep 2, 2003
Wireless infrared digital audio receiving system
FREESYSTEMS PTE LTD24 citations91
US6614024B1Sep 2, 2003
Infra-red wireless receiver with novel shielding and IR front end signal enhancement
FREESYSTEMS PTE LTD6 citations72
SIVANTOS PTE LTD
4 patentsUS12041422B2Jul 16, 2024
Battery module and hearing device
SIVANTOS PTE LTD0 citations56
US12574672B2Mar 10, 2026
Charging coil for a hearing aid charger, hearing aid charger and wireless charging system
SIVANTOS PTE LTD0 citations55
US11489369B2Nov 1, 2022
Battery module and hearing device
SIVANTOS PTE LTD0 citations55
US10966031B2Mar 30, 2021
Method for charging a hearing device, hearing device system, hearing device and charging unit
SIVANTOS PTE LTD0 citations46