Inventor
KAWAKAMI JUN
JP17 patents
⚠️ This page may combine multiple inventors who share the name “KAWAKAMI JUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
NIKON CORP
6 patentsUS5767971AJun 16, 1998
Apparatus for measuring refractive index of medium using light, displacement measuring system using the same apparatus, and direction-of-polarization rotating unit
NIKON CORP26 citations90
US5757489AMay 26, 1998
Interferometric apparatus for measuring a physical value
NIKON CORP49 citations86
US5748315AMay 5, 1998
Optical interference measuring apparatus and method for measuring displacement of an object having an optical path separating system
NIKON CORP26 citations86
US6963408B2Nov 8, 2005
Method and apparatus for point diffraction interferometry
NIKON CORP5 citations59
US11119330B2Sep 14, 2021
Reticle, reticle unit, rifle scope, and optical apparatus
NIKON CORP0 citations47
US6940605B2Sep 6, 2005
Method for measuring interference and apparatus for measuring interference
NIKON CORP0 citations37