Inventor
ARAKAWA MASAHIRO
JP20 patents
⚠️ This page may combine multiple inventors who share the name “ARAKAWA MASAHIRO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKAI RIKA CO LTD
11 patentsUS10668896B2Jun 2, 2020
Car sharing system and car sharing method
TOKAI RIKA CO LTD7 citations83
US10493953B2Dec 3, 2019
Car sharing system
TOKAI RIKA CO LTD7 citations82
US9714004B2Jul 25, 2017
Electronic key registration system
TOKAI RIKA CO LTD8 citations81
US10984616B2Apr 20, 2021
Car sharing system and car sharing program
TOKAI RIKA CO LTD3 citations72
US11142166B2Oct 12, 2021
Sharing system using valet key
TOKAI RIKA CO LTD4 citations70
US11220239B2Jan 11, 2022
Key information generation system and key information generation method
TOKAI RIKA CO LTD1 citations60
US11110894B2Sep 7, 2021
Car sharing system
TOKAI RIKA CO LTD0 citations51
US11418953B2Aug 16, 2022
Key information generation system and key information generation method
TOKAI RIKA CO LTD0 citations49
US10647298B2May 12, 2020
Valet key control system and valet key
TOKAI RIKA CO LTD0 citations39
US10596999B2Mar 24, 2020
Valet key and method for controlling valet key
TOKAI RIKA CO LTD0 citations39
US10527641B2Jan 7, 2020
Mobile device
TOKAI RIKA CO LTD0 citations37