Inventor
AKAGI KAZUO
JP16 patents
⚠️ This page may combine multiple inventors who share the name “AKAGI KAZUO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOBE STEEL LTD
8 patentsUS4425062AJan 10, 1984
Cutting and chamfering apparatus for opposing ends of tubular material
KOBE STEEL LTD16 citations71
US4417421ANov 29, 1983
Apparatus for polishing interior surfaces of pipes or the like
KOBE STEEL LTD9 citations71
US4398552AAug 16, 1983
Apparatus for pickling the inner wall of tubular material
KOBE STEEL LTD9 citations71
US4392506AJul 12, 1983
Apparatus for conveying tubular materials in pickling facilities of the same
KOBE STEEL LTD17 citations71
US4392267AJul 12, 1983
Apparatus for continuously pickling the outer surfaces of tubular materials
KOBE STEEL LTD8 citations71
US4233108ANov 11, 1980
Process for use in etching the outer surface of a metal member
KOBE STEEL LTD14 citations67
US4056428ANov 1, 1977
Process for etching inner surface of pipe or tube
KOBE STEEL LTD12 citations66
US4397328AAug 9, 1983
Cleaning apparatus of tubular materials for use in pickling facilities for the same
KOBE STEEL LTD6 citations58
NISSIN UNYU KOGYO CO LTD
5 patentsUS6322426B1Nov 27, 2001
Method for mirror process of external surface of long sized metal
NISSIN UNYU KOGYO CO LTD21 citations84
US6322424B1Nov 27, 2001
Electrolytic integrated polishing method for metal workpieces using special abrasive materials
NISSIN UNYU KOGYO CO LTD8 citations72
US6994610B1Feb 7, 2006
Method and apparatus for polishing inner an internal surface of an aluminum extrusion hollow shape
NISSIN UNYU KOGYO CO LTD9 citations71
US6156187ADec 5, 2000
Electrolytic integrated polishing method for external surface of metallic tubes and photosensitive drum substrate prepared thereby
NISSIN UNYU KOGYO CO LTD8 citations70
US6783439B1Aug 31, 2004
Method for manufacturing mirror surface tube for photosensitive drum of copying machine or the like
NISSIN UNYU KOGYO CO LTD6 citations59