Inventor

Masashi Oikawa

Inventor
Itami, JP

Overview

6→
Patents
1976–2020
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.

E04Cprimary
E04CStructural elements15%
G01LMeasuring force, stress, torque, work, mechanical power, mechanical efficiency, or fluid pressure10%
B21DWorking or processing of sheet metal or metal tubes, rods or profiles without essentially removing material5%
B23KSoldering or unsoldering5%
B28BShaping clay or other ceramic compositions5%
B28CPreparing clay5%
B32BLayered products, i.e. products built-up of strata of flat or non-flat, e.g. cellular or honeycomb, form5%
C04BLime, magnesia5%
D07BRopes or cables in general5%
E04BGeneral building constructions5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Based in Musashino, JP· patent location history
1995Based in Tokyo, JP· patent location history
1997Patents assigned to NIPPON STEEL CORP (1)· patent assignee history
1997Based in Sagamihara, JP· patent location history
2014–2019Patents assigned to SUMITOMO SEI STEEL WIRE CORP (2)· patent assignee history
2014Patents assigned to FURUKAWA IPPEI (1)· patent assignee history
2014Patents assigned to KIDO TOSHIRO (1)· patent assignee history
2014–2020Based in Itami, JP· patent location history
2019–2020Patents assigned to SUMITOMO ELECTRIC INDUSTRIES (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SUMITOMO ELECTRIC INDUSTRIES22019–2020
SUMITOMO SEI STEEL WIRE CORP22014–2019
FURUKAWA IPPEI12014
KIDO TOSHIRO12014
NIPPON STEEL CORP11997
Locations
LocationPatentsSpan
Itami, JP32014–2020
Sagamihara, JP11997
Tokyo, JP11995
Musashino, JP11976