Japan, July 14 -- FUJIFILM CORP has got intellectual property rights for 'GRINDING METHOD.' Other related details are as follows:

Application Number: JP,2022-018108

Category (FI): B24B3/46,B24B3/36@E

Stage: PROBLEM TO BE SOLVED: To provide a grinding method forming in a short grinding time, a tubular type cutter having no minute crack on each tip of a plurality of circular cutters.SOLUTION: A grinding method comprises a first grinding process of grinding the periphery of a tubular cutter by rotating the tubular cutter having a plurality of circular cutters lined up coaxially and moving a cup type grind stone along the rotary shaft direction of the tubular cutter while contacting an annular plane part of the rotating cup type grind stone ...