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Inventor

Masanobu Nishiyama

Inventor
Osaka, JP

Overview

9→
Patents
1982–1990
Patent span
Human necessities
Primary field (CPC A)

Patents· 9 as inventor

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

Y10Tprimary
Y10TTechnical subjects covered by former us classification21%
A47KSanitary equipment14%
A47LDomestic washing or cleaning14%
B25GHandles for hand implements14%
A46BBrushes7%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry7%
C02FTreatment of water, waste water, sewage, or sludge7%
G05DSystems for controlling or regulating non-electric variables7%
LOCD07%
PatentTitleYear
4,919,314'Time control device for water conditioning apparatus'19904,856,854'Towel dispenser'19894,746,176'Towel dispenser'1988D0277039'Mop carrier or similar article'1985D0274855'Mop'1984D0274854'Mop carrier'19844,392,269'Mop carrier'19834,353,142'Mop carrier and a rotary suppressor therein'1982D0262936'Mop'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1983Patents assigned to DUSKIN FRANCHISE CO (2)· patent assignee history
1982Patents assigned to Duskin Franchise Kabushiki (1)· patent assignee history
1982–1989Based in Osaka, JP· patent location history
1983Based in Higashi, JP· patent location history
1984–1985Patents assigned to DUSKIN FRANCHISE KK (3)· patent assignee history
1988–1989Patents assigned to DUSKIN CO LTD (2)· patent assignee history
1988–1989Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (2)· patent assignee history
1990Based in Ehime, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
DUSKIN FRANCHISE KK31984–1985
DUSKIN CO LTD21988–1989
DUSKIN FRANCHISE CO21982–1983
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21988–1989
Duskin Franchise Kabushiki11982
Locations
LocationPatentsSpan
Osaka, JP71982–1989
Ehime, JP11990
Higashi, JP11983