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Inventor

Norio Iwaki

Inventor
Tokyo, JP

Overview

3→
Patents
1992–2021
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A21Dprimary
A21DTreatment of flour or dough for baking, e.g. by addition of materials50%
H01LSemiconductor devices25%
H10NElectric solid-state devices not otherwise provided for25%
PatentTitleYear
10,978,635Piezoelectric element, piezoelectric actuator and piezoelectric transformer20215,232,727'Frozen food and process for producing the same'19935,160,754'Dough of pie, etc. having a slit roll configuration'1992

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1992–1993Patents assigned to ASAHI DENKA KOGYO KK (2)· patent assignee history
1992–1993Based in Tokyo, JP· patent location history
2021Patents assigned to NGK SPARK PLUG CO (1)· patent assignee history
2021Based in Kumagaya, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ASAHI DENKA KOGYO KK21992–1993
NGK SPARK PLUG CO12021
Locations
LocationPatentsSpan
Tokyo, JP21992–1993
Kumagaya, JP12021