Inventor
NITTA SHIGENORI
JP20 patents
Patents
20 patentsUS6848187B2Feb 1, 2005
Rotation angle detector
TOKAI RIKA CO LTD33 citations89
US12185105B2Dec 31, 2024
Control device and control method
TOKAI RIKA CO LTD2 citations72
US11974125B2Apr 30, 2024
Control device and control method
TOKAI RIKA CO LTD2 citations72
US11956630B2Apr 9, 2024
Control device and control method
TOKAI RIKA CO LTD2 citations72
US11853410B2Dec 26, 2023
Control device and control method for authenticating another device using information obtained from the another device
TOKAI RIKA CO LTD2 citations72
US12336004B2Jun 17, 2025
Control device and control method
TOKAI RIKA CO LTD1 citations63
US12207088B2Jan 21, 2025
Control device and control method
TOKAI RIKA CO LTD0 citations62
US12024125B2Jul 2, 2024
Control device and non-transitory storage medium
TOKAI RIKA CO LTD1 citations62
US11794673B2Oct 24, 2023
Electronic device
TOKAI RIKA CO LTD0 citations62
US11463958B2Oct 4, 2022
Communication device
TOKAI RIKA CO LTD1 citations62
US11438868B2Sep 6, 2022
Communication device and position estimation method
TOKAI RIKA CO LTD0 citations62
US12535548B2Jan 27, 2026
Communication device and position estimation method
TOKAI RIKA CO LTD0 citations51
US12248083B2Mar 11, 2025
Communication unit, communication device, and position estimating method
TOKAI RIKA CO LTD0 citations51
US11785006B2Oct 10, 2023
Communication device and system
TOKAI RIKA CO LTD0 citations51
US11785455B2Oct 10, 2023
Communication device and system
TOKAI RIKA CO LTD0 citations51
US11695801B2Jul 4, 2023
Communication device and system
TOKAI RIKA CO LTD0 citations51
US11636720B2Apr 25, 2023
Authentication system
TOKAI RIKA CO LTD0 citations51
US11632370B2Apr 18, 2023
Communication device and system
TOKAI RIKA CO LTD0 citations51
US11461006B2Oct 4, 2022
Communication device having wireless communication interface, memory and processor writing received setting information into the memory
TOKAI RIKA CO LTD0 citations51
US11271916B2Mar 8, 2022
System and method for preventing accomplishment of unauthorized communication
TOKAI RIKA CO LTD0 citations50