Inventor
SEGAWA RYO
JP11 patents
⚠️ This page may combine multiple inventors who share the name “SEGAWA RYO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NSK LTD
8 patentsUS12146552B2Nov 19, 2024
Ball screw device and manufacturing method thereof
NSK LTD3 citations66
US12584544B2Mar 24, 2026
Ball screw device
NSK LTD0 citations49
US12276321B2Apr 15, 2025
Ball screw device
NSK LTD0 citations49
US12222023B2Feb 11, 2025
Ball screw device and manufacturing method of screw shaft
NSK LTD0 citations49
US12085154B2Sep 10, 2024
Ball screw device
NSK LTD0 citations49
US11867264B2Jan 9, 2024
Ball screw device and method for manufacturing same
NSK LTD0 citations49
US11655886B1May 23, 2023
Ball screw device
NSK LTD0 citations49
US12540658B2Feb 3, 2026
Ball screw device and method for manufacturing same
NSK LTD0 citations40