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Inventor

Nobuharu Hikida

Inventor
Nara, JP

Overview

5→
Patents
1989–2004
Patent span
Human necessities
Primary field (CPC A)

Patents· 5 as inventor

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

A47Lprimary
A47LDomestic washing or cleaning50%
H04MTelephonic communication33%
H02JElectric power networks17%
PatentTitleYear
6,742,220'Nozzle unit for vacuum cleaner'20046,553,613'Electric vacuum cleaner'20036,345,408'Electric vacuum cleaner and nozzle unit therefor'20024,885,766'Remote control device using a telephone line'19894,847,899'Power circuit for telephone accessory devices'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–2004Patents assigned to SHARP KK (5)· patent assignee history
1989–2004Based in Nara, JP· patent location history
1989Based in Osaka, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SHARP KK51989–2004
Locations
LocationPatentsSpan
Nara, JP41989–2004
Osaka, JP11989