Inventor

Toru Takai

Inventor
Tokyo, JP

Overview

10→
Patents
1984–2020
Patent span
Mechanical engineering
Primary field (CPC F)

Patents· 10 as inventor

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

G01Rprimary
G01RMeasuring electric variables14%
H03KPulse technique14%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact9%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application9%
H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy9%
B01DSeparation5%
B21CManufacture of metal sheets, wire, rods, tubes, profiles or like semi-manufactured products otherwise than by rolling5%
B23KSoldering or unsoldering5%
B23PMetal-working not otherwise provided for5%
C02FTreatment of water, waste water, sewage, or sludge5%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1984Based in Fijisawa, JP· patent location history
1994Patents assigned to CALSONIC CORP (1)· patent assignee history
1994Based in Tochigi, JP· patent location history
1999Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (1)· patent assignee history
1999–2014Based in Kyoto, JP· patent location history
2001Patents assigned to CALSONIC KANSEI CORP (1)· patent assignee history
2001–2011Based in Tokyo, JP· patent location history
2006–2011Patents assigned to TEKTRONIX INT SALES GMBH (4)· patent assignee history
2020Patents assigned to KURITA WATER IND LTD (1)· patent assignee history
2020Based in Kobe, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TEKTRONIX INT SALES GMBH42006–2011
CALSONIC CORP11994
CALSONIC KANSEI CORP12001
KURITA WATER IND LTD12020
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11999
Locations
LocationPatentsSpan
Tokyo, JP52001–2011
Kyoto, JP21999–2014
Kobe, JP12020
Tochigi, JP11994
Fijisawa, JP11984