Inventor

Hirotsugu Wada

Inventor
Tokyo, JP

Overview

14→
Patents
1981–2021
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.

H01Jprimary
H01JElectric discharge tubes or discharge lamps29%
B82YSpecific uses or applications of nanostructures13%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices10%
H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h1010%
H02JElectric power networks6%
B60LPropulsion of electrically-propelled vehicles3%
C23FNon-mechanical removal of metallic material from surface3%
C25DProcesses for the electrolytic or electrophoretic production of coatings3%
G01HMeasurement of mechanical vibrations or ultrasonic, sonic or infrasonic waves3%
G01MTesting static or dynamic balance of machines or structures3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1982Patents assigned to VLSI TECHNOLOGY RES ASS (2)· patent assignee history
1981–1985Based in Machida, JP· patent location history
1985–1987Patents assigned to TOKYO SHIBAURA ELECTRIC CO (3)· patent assignee history
1985–1998Based in Tokyo, JP· patent location history
1987–1998Patents assigned to TOSHIBA KK (6)· patent assignee history
2013–2016Patents assigned to FUJIMAKI KENICHI (2)· patent assignee history
2013–2016Patents assigned to SONY CORP (2)· patent assignee history
2013–2016Based in Kanagawa, JP· patent location history
2021Based in Kobe, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TOSHIBA KK61987–1998
TOKYO SHIBAURA ELECTRIC CO31985–1987
FUJIMAKI KENICHI22013–2016
SONY CORP22013–2016
VLSI TECHNOLOGY RES ASS21981–1982
Locations
LocationPatentsSpan
Tokyo, JP81985–1998
Machida, JP31981–1985
Kanagawa, JP22013–2016
Kobe, JP12021