Inventor

Mamoru Sawahata

Inventor

Hitachi, JP

Overview

11→

Patents

1985–2006

Patent span

Electricity

Primary field (CPC H)

Patents· 11 as inventor

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

H10Wprimary

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1034%

H10DInorganic electric semiconductor devices17%

H02MApparatus for conversion between ac and ac, between ac and dc, or between dc and dc, and for use with mains or similar power supply systems10%

H05KPrinted circuits10%

B23KSoldering or unsoldering7%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein3%

H01JElectric discharge tubes or discharge lamps3%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation3%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution3%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests3%

PatentTitleYear

7,141,741'Circuit board'2006 6,686,658'Semiconductor device, including an arrangement to provide a uniform press contact and converter using same'2004 6,495,924'Semiconductor device, including an arrangement to provide a uniform press contact and converter using same'2002 6,434,008'Semiconductor device'2002 5,956,231'Semiconductor device having power semiconductor elements'1999 5,423,931'Method and apparatus for removing an electronic component from a board'1995 5,422,516'Electronic parts loaded module including thermal stress absorbing projecting electrodes'1995 4,970,575'Semiconductor device'1990 4,825,284'Semiconductor resin package structure'1989 4,543,573'Display panel'1985 4,516,149'Semiconductor device having ribbon electrode structure and method for fabricating the same'1985

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1985–2004Patents assigned to HITACHI LTD (10)· patent assignee history

1985–2006Based in Hitachi, JP· patent location history

1999–2006Patents assigned to HITACHI HARAMACHI ELECTRONICS (3)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	10	1985–2004
HITACHI HARAMACHI ELECTRONICS	3	1999–2006

Locations

Location	Patents	Span
Hitachi, JP	11	1985–2006