Inventor

KOIZUMI KOICHI

JP5 patents

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

CITIZEN WATCH CO LTD

2 patents

US4656951AApr 14, 1987

Rotary table unit

CITIZEN WATCH CO LTD35 citations91

US4523410AJun 18, 1985

Composite guide mechanism

CITIZEN WATCH CO LTD7 citations72

NISSIN MACHINE WORKS

1 patent

US4528074AJul 9, 1985

Method for producing a grinding wheel by electroplating

NISSIN MACHINE WORKS2 citations58

JAPAN ATOMIC ENERGY RES INST

1 patent

US6052424AApr 18, 2000

Method of welding for fabricating double-wall structures

JAPAN ATOMIC ENERGY RES INST6 citations57

HASHIMOTO TSUTOMU

1 patent

US8660759B2Feb 25, 2014

Traveling crane operation control apparatus and method

HASHIMOTO TSUTOMU1 citations39