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Inventor

Toshihiro Isobe

Inventor
Hyogo, JP

Overview

7→
Patents
1981–2001
Patent span
Chemistry
Primary field (CPC C)

Patents· 7 as inventor

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

C04Bprimary
C04BLime, magnesia38%
A45DHairdressing or shaving equipment8%
A46BBrushes8%
B05CApparatus for applying fluent materials to surfaces, in general8%
B22DCasting of metals8%
B43KImplements for writing or drawing8%
B43MBureau accessories not otherwise provided for8%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace8%
LOC198%
PatentTitleYear
6,210,063'Knock type applicator'2001D0428441'Correction pen'20005,506,181'Refractory for use in casting operations'19965,204,298'Basic monolithic refractories'19935,104,833'Refractory for casting a basic substance'19924,990,475'Alumina-spinal monolithic refractories'19914,302,372'Non-fired silicon carbide refractories'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1993Patents assigned to NIPPON STEEL CORP (4)· patent assignee history
1981Based in Himeji, JP· patent location history
1991–1996Patents assigned to HARIMA CERAMIC CO LTD (4)· patent assignee history
1991–1996Based in Hyogo, JP· patent location history
1993Patents assigned to KROSAKI CORP (1)· patent assignee history
2000–2001Patents assigned to PENTEL KK (2)· patent assignee history
2000–2001Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
HARIMA CERAMIC CO LTD41991–1996
NIPPON STEEL CORP41981–1993
PENTEL KK22000–2001
KROSAKI CORP11993
Locations
LocationPatentsSpan
Hyogo, JP41991–1996
Tokyo, JP22000–2001
Himeji, JP11981