P

Inventor

NAKAYAMA RYOICHI

JP7 patents
⚠️ This page may combine multiple inventors who share the name “NAKAYAMA RYOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SUMITOMO METAL MINING CO

3 patents
US6264847B1Jul 24, 2001

Method of processing cyanide ions by ozone

SUMITOMO METAL MINING CO7 citations70
US7435405B2Oct 14, 2008

Anti-oxidation method for sulfide minerals in sulfide ore

SUMITOMO METAL MINING CO3 citations62
US5702591ADec 30, 1997

Flotation method for non-ferrous metal variable ores

SUMITOMO METAL MINING CO4 citations60

TOSHIBA KK

1 patent
US4637494AJan 20, 1987

Apparatus for moving carriages along ladders

TOSHIBA KK46 citations91

NISSAN MOTOR

1 patent
US6386927B2May 14, 2002

Screw fastening structure and nut member

NISSAN MOTOR10 citations72

MINEBEA KK

1 patent
US5842923ADec 1, 1998

Screw and method for its production

MINEBEA KK14 citations68

NAKAYAMA RYOICHI

1 patent
USD275205SAug 21, 1984

Binocular instrument

NAKAYAMA RYOICHI12 citations67