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Inventor

Nobuaki Fujiwara

Inventor
Hiroshima, JP

Overview

7→
Patents
1991–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 7 as inventor

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

A01Gprimary
A01GHorticulture22%
A47LDomestic washing or cleaning22%
B08BCleaning in general22%
F16FSprings22%
LOC1311%
PatentTitleYear
D0920257Headshell20216,141,824'Blower and vacuum device'20006,141,823'Blower and vacuum device'2000D0336026'Nail pulling machine'19935,178,373'Multi-chamber fluid filled vibration insulator'19935,094,433'Vibration isolating device'1992D0317852'Electric trimmer'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2000Patents assigned to RYOBI LTD (4)· patent assignee history
1991–2000Based in Hiroshima, JP· patent location history
1992Patents assigned to BRIDGESTONE CORP (1)· patent assignee history
1992–1993Based in Yokohama, JP· patent location history
1993Patents assigned to NISSAN MOTOR (1)· patent assignee history
2000Patents assigned to RYOBI NORTH AMERICA INC (1)· patent assignee history
2021Patents assigned to AUDIO TECHNICA KK (1)· patent assignee history
2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
RYOBI LTD41991–2000
AUDIO TECHNICA KK12021
BRIDGESTONE CORP11992
NISSAN MOTOR11993
RYOBI NORTH AMERICA INC12000
Locations
LocationPatentsSpan
Hiroshima, JP41991–2000
Yokohama, JP21992–1993
Tokyo, JP12021