Inventor
HOSOKAI TATSUYA
JP9 patents
Patents
9 patentsUS11275410B1Mar 15, 2022
Portable information device and cover device
LENOVO SINGAPORE PTE LTD9 citations84
US11307612B2Apr 19, 2022
Portable information device and cover device
LENOVO SINGAPORE PTE LTD6 citations73
US11409331B2Aug 9, 2022
Portable information device and cover device
LENOVO SINGAPORE PTE LTD3 citations72
US12055979B2Aug 6, 2024
Keyboard, stand, and keyboard-stand set
LENOVO SINGAPORE PTE LTD2 citations68
US11815961B2Nov 14, 2023
Portable information device and cover device
LENOVO SINGAPORE PTE LTD0 citations61
US11425834B2Aug 23, 2022
Information device and cover
LENOVO SINGAPORE PTE LTD0 citations61
US12468355B2Nov 11, 2025
Electronic apparatus
LENOVO SINGAPORE PTE LTD0 citations59
US12429923B2Sep 30, 2025
Stand and keyboard-stand set
LENOVO SINGAPORE PTE LTD0 citations59
US12404967B2Sep 2, 2025
Stand, method of manufacturing stand, and keyboard-stand set
LENOVO SINGAPORE PTE LTD0 citations56