Inventor

Kozo Okada

Inventor

Nagoya, JP

Overview

6→

Patents

1976–1989

Patent span

Physics

Primary field (CPC G)

Patents· 6 as inventor

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

B06Bprimary

B06BMethods or apparatus for generating or transmitting mechanical vibrations of infrasonic, sonic, or ultrasonic frequency, e.g. for performing mechanical work in general27%

G10KSound-producing devices18%

G01NInvestigating or analysing materials by determining their chemical or physical properties9%

G01RMeasuring electric variables9%

G01SRadio direction-finding9%

H01BCables9%

H01JElectric discharge tubes or discharge lamps9%

H02NElectric machines not otherwise provided for9%

PatentTitleYear

4,800,388'Apparatus for measuring pulse compression ratio'1989 4,634,916'Piezoelectric rotary driver'1987 4,556,814'Piezoelectric ultrasonic transducer with porous plastic housing'1985 4,104,584'Moisture content meter'1978 3,969,208'Ultrasonic apparatus'1976 3,946,829'Ultrasonic device'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to FUJIKURA LTD (1)· patent assignee history

1976Patents assigned to NIPPON TOKUSHO TOGYO KK (1)· patent assignee history

1976–1987Based in Nagoya, JP· patent location history

1978Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (1)· patent assignee history

1978Based in Osaka, JP· patent location history

1985–1987Patents assigned to NGK SPARK PLUG CO (2)· patent assignee history

1989Patents assigned to TOKYO KEIKI KK (1)· patent assignee history

1989Based in JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
NGK SPARK PLUG CO	2	1985–1987
FUJIKURA LTD	1	1976
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	1	1978
NIPPON TOKUSHO TOGYO KK	1	1976
TOKYO KEIKI KK	1	1989

Locations

Location	Patents	Span
Nagoya, JP	4	1976–1987
JP	1	1989
Osaka, JP	1	1978