Hajime Ishii

HC Hitachi Construction Machinery Co.: 16 patents #75 of 1,234Top 7%

IH Ihi: 2 patents #401 of 1,178Top 35%

IC Ishikawajima-Harima Heavy Industries Co.: 2 patents #134 of 611Top 25%

TL Tokyo Electron Limited: 2 patents #2,602 of 5,567Top 50%

MM Mitsubishi Motors: 2 patents #508 of 1,823Top 30%

NC Nippon Tungsten Co.: 2 patents #24 of 139Top 20%

NC Nkk Co.: 2 patents #309 of 1,173Top 30%

ME Mitsubishi Jidosha Engineering: 2 patents #32 of 277Top 15%

IJ Ishikawajima-Harima Jukogyo: 1 patents #170 of 494Top 35%

NC Nippon Kokan Co.: 1 patents #290 of 735Top 40%

FA Fanuc: 1 patents #1,202 of 1,735Top 70%

Overall (All Time): #152,547 of 4,157,543Top 4%

Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #	Title	Co-Inventors	Date
4577480	Method and apparatus for controlling rolling correction in rolling mill	Kanji Kizaki, Noboru Taguchi, Hiroshi Kuwamoto	1986-03-25