Inventor

Isao Nagai

Inventor
Suita, JP

Overview

10→
Patents
1983–2018
Patent span
Performing operations
Primary field (CPC B)

Patents· 10 as inventor

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

B01Jprimary
B01JChemical or physical processes, e.g. catalysis or colloid chemistry32%
C07CAcyclic or carbocyclic compounds32%
B02CCrushing, pulverising, or disintegrating in general11%
A61FFilters implantable into blood vessels5%
B23KSoldering or unsoldering5%
B23PMetal-working not otherwise provided for5%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves5%
Y10TTechnical subjects covered by former us classification5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1983–1992Patents assigned to NIPPON CATALYTIC CHEM IND (6)· patent assignee history
1983–1992Based in Suita, JP· patent location history
1984Patents assigned to KAWASAKI STEEL CO (1)· patent assignee history
1984Based in Kobe, JP· patent location history
1989Based in Tokyo, JP· patent location history
2018Patents assigned to KK KINKI (2)· patent assignee history
2018Patents assigned to HONDA YASUHIKO (1)· patent assignee history
2018Patents assigned to NAGAI ISAO (1)· patent assignee history
2018Based in Miki, JP· patent location history
2018Based in Hyogo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NIPPON CATALYTIC CHEM IND61983–1992
KK KINKI22018
HONDA YASUHIKO12018
KAWASAKI STEEL CO11984
NAGAI ISAOself12018
Locations
LocationPatentsSpan
Suita, JP61983–1992
Miki, JP12018
Hyogo, JP12018
Tokyo, JP11989
Kobe, JP11984