Inventor

ISHIHARA MASATAKA

JP2 patents

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

KOYO SEIKO CO

1 patent

US7135053B2Nov 14, 2006

Brittle formed product and iron-based power material and method for manufacturing these materials

KOYO SEIKO CO7 citations62

SAN AI ENGINEERING CO LTD

1 patent

US7011017B2Mar 14, 2006

Compactor

SAN AI ENGINEERING CO LTD3 citations46