Inventor

Masahiro Homma

Inventor

Toyohashi, JP

Overview

6→

Patents

1991–2021

Patent span

Electricity

Primary field (CPC H)

Patents· 6 as inventor

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

B23Kprimary

B23KSoldering or unsoldering17%

H04QSelecting17%

B60JWindows, windscreens, non-fixed roofs, doors, or similar devices for vehicles8%

E05FDevices for moving wings into open or closed position8%

G02BOptical elements, systems or apparatus8%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein8%

H01LSemiconductor devices8%

H02NElectric machines not otherwise provided for8%

H10NElectric solid-state devices not otherwise provided for8%

Y10TTechnical subjects covered by former us classification8%

PatentTitleYear

10,897,004Piezoelectric drive device2021 7,995,266'Particles for display media and information display panel'2011 6,051,807'Pulse arc welding apparatus'2000 5,990,445'Consumable electrode type AC pulse arc welding apparatus'1999 5,504,740'Line trunk unit connected to a time division switch, digital exchange and communications system using the line trunk unit'1996 5,029,160'Line concentration system'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–1996Patents assigned to FUJITSU LTD (2)· patent assignee history

1991–1996Based in Kawasaki, JP· patent location history

1999–2000Based in Toyohashi, JP· patent location history

2000Patents assigned to KOBE STEEL LTD (1)· patent assignee history

2011Patents assigned to BRIDGESTONE CORP (1)· patent assignee history

2011Based in Kiyose, JP· patent location history

2021Patents assigned to TDK CORP (1)· patent assignee history

2021Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
FUJITSU LTD	2	1991–1996
BRIDGESTONE CORP	1	2011
KOBE STEEL LTD	1	2000
TDK CORP	1	2021

Locations

Location	Patents	Span
Toyohashi, JP	2	1999–2000
Kawasaki, JP	2	1991–1996
Tokyo, JP	1	2021
Kiyose, JP	1	2011