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Inventor

Sachio Ogasawara

Inventor
Kumagaya, JP

Overview

2→
Patents
1989–1992
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C04Bprimary
C04BLime, magnesia33%
F02BInternal-combustion piston engines33%
F23QIgnition33%
PatentTitleYear
5,108,659'Sintered body of conductive sialon and heating element made thereof'19924,810,853'Glow plug for diesel engines'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1992Patents assigned to HITACHI METALS LTD (2)· patent assignee history
1989Patents assigned to JIDOSHA KIKI CO (1)· patent assignee history
1989Based in Niiborishinden, JP· patent location history
1992Based in Kumagaya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HITACHI METALS LTD21989–1992
JIDOSHA KIKI CO11989
Locations
LocationPatentsSpan
Kumagaya, JP11992
Niiborishinden, JP11989