Inventor
KARASAWA TAKAYUKI
TW7 patents
⚠️ This page may combine multiple inventors who share the name “KARASAWA TAKAYUKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SINTAI OPTICAL SHENZHEN CO LTD
6 patentsUS10080076B2Sep 18, 2018
Headphone device
SINTAI OPTICAL SHENZHEN CO LTD10 citations82
US10165344B2Dec 25, 2018
Headphone
SINTAI OPTICAL SHENZHEN CO LTD6 citations71
USD912643SMar 9, 2021
Headphone
SINTAI OPTICAL SHENZHEN CO LTD5 citations67
US11735154B2Aug 22, 2023
Earpiece device
SINTAI OPTICAL SHENZHEN CO LTD1 citations61
US11800272B2Oct 24, 2023
Headphone device
SINTAI OPTICAL SHENZHEN CO LTD0 citations50
US10165351B2Dec 25, 2018
Headphone
SINTAI OPTICAL SHENZHEN CO LTD1 citations50