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Inventor

Nobuki Hirai

Inventor
Chiba, JP

Overview

3→
Patents
1989–1990
Patent span
Chemistry
Primary field (CPC C)

Patents· 3 as inventor

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

C04Bprimary
C04BLime, magnesia50%
H10NElectric solid-state devices not otherwise provided for50%
PatentTitleYear
4,948,767'Ferroelectric ceramic material'19904,940,681'Ferroelectric ceramic material'19904,830,996'Ferroelectric ceramics'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1990Patents assigned to MITSUI PETROCHEMICAL IND (3)· patent assignee history
1989Based in Kimitsu, JP· patent location history
1990Based in Chiba, JP· patent location history
1990Based in Ichihara, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUI PETROCHEMICAL IND31989–1990
Locations
LocationPatentsSpan
Chiba, JP11990
Ichihara, JP11990
Kimitsu, JP11989