Inventor

SUGIYAMA KAZUMASA

US3 patents

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

KOITO MFG CO LTD

1 patent

US6528931B1Mar 4, 2003

Electric light bulb with base held by positioning ring having elastic pieces and weld pieces

KOITO MFG CO LTD13 citations80

HITACHI LTD

1 patent

US5200678AApr 6, 1993

Motor driving control apparatus

HITACHI LTD9 citations69

USUI KOKUSAI SANGYO KK

1 patent

US6795016B2Sep 21, 2004

Jig for heat treatment of work

USUI KOKUSAI SANGYO KK6 citations60