Inventor

AOYAMA TAKAFUMI

JP4 patents

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

HITACHI METALS LTD

2 patents

US3952701AApr 27, 1976

Electrostatic developing apparatus

HITACHI METALS LTD17 citations67

US4482623ANov 13, 1984

Preparation method of magnetic toner

HITACHI METALS LTD5 citations59

TABARU KAZUNORI

1 patent

US4554232ANov 19, 1985

Magnetic toner

TABARU KAZUNORI5 citations54

MITSUBISHI HEAVY IND LTD

1 patent

US10343235B2Jul 9, 2019

Laser welding method, laser welding apparatus, and cylindrical body

MITSUBISHI HEAVY IND LTD0 citations37