Inventor

Hisao Watarai

Inventor
Hyogo, JP

Overview

14→
Patents
1986–2001
Patent span
Electricity
Primary field (CPC H)

Patents· 14 as inventor

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

C23Cprimary
C23CCoating metallic material18%
H10DInorganic electric semiconductor devices15%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1015%
C04BLime, magnesia12%
H01GCapacitors9%
G01NInvestigating or analysing materials by determining their chemical or physical properties6%
H01CResistors6%
H01PWaveguides6%
H10NElectric solid-state devices not otherwise provided for6%
G01JMeasurement of intensity, velocity, spectral content, polarisation, phase or pulse characteristics of infrared, visible or ultraviolet light3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1986–2001Patents assigned to MITSUBISHI ELECTRIC CORP (14)· patent assignee history
1986–1987Based in Kanagawa, JP· patent location history
1991–1996Based in Amagasaki, JP· patent location history
1992–2001Based in Hyogo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MITSUBISHI ELECTRIC CORP141986–2001
Locations
LocationPatentsSpan
Hyogo, JP71992–2001
Amagasaki, JP51991–1996
Kanagawa, JP21986–1987