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Inventor

Yukitoshi Kubota

Inventor
Kouchi-ken, JP

Overview

5→
Patents
1991–1999
Patent span
Chemistry
Primary field (CPC C)

Patents· 5 as inventor

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

C04Bprimary
C04BLime, magnesia43%
A41DOuterwear14%
A62BDevices, apparatus or methods for life-saving14%
F27DDetails or accessories of furnaces, kilns, ovens or retorts, in so far as they are of kinds occurring in more than one kind of furnace14%
LOC2914%
PatentTitleYear
5,962,357'Taphole mix for molten metal taphole'19995,717,991'Disposable sanitary mask'1998D0380545'Disposable sanitary mask'19975,316,571'Alumina-spinel type monolithic refractories'19944,981,731'Method for gunning a refractory composition'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1999Patents assigned to SHINAGAWA REFRACTORIES CO (3)· patent assignee history
1991Based in Bizen, JP· patent location history
1994Based in Akaiwa, JP· patent location history
1997Patents assigned to UNI CHARM CORP (1)· patent assignee history
1997–1998Based in Kouchi-ken, JP· patent location history
1998Patents assigned to MEISEI SANSHO CO LTD (1)· patent assignee history
1998Patents assigned to NI CHARM CORP (1)· patent assignee history
1999Based in Hiroshima, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHINAGAWA REFRACTORIES CO31991–1999
MEISEI SANSHO CO LTD11998
NI CHARM CORP11998
UNI CHARM CORP11997
Locations
LocationPatentsSpan
Kouchi-ken, JP21997–1998
Hiroshima, JP11999
Akaiwa, JP11994
Bizen, JP11991