Inventor

Yoshiaki Aizawa

Inventor

Kanagawa, JP

Overview

17→

Patents

1991–2009

Patent span

Electricity

Primary field (CPC H)

Patents· 17 as inventor

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

H10Dprimary

H10DInorganic electric semiconductor devices29%

H10WGeneric packages, interconnections, connectors or other constructional details of devices covered by class h1025%

H03KPulse technique18%

H01HElectric switches11%

H10FInorganic semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation7%

H03FAmplifiers4%

H04BTransmission4%

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h104%

PatentTitleYear

7,498,635'Field effect transistor and application device thereof'2009 7,479,679'Field effect transistor and application device thereof'2009 7,439,547'Micro electro mechanical system apparatus'2008 7,385,255'Field effect transistor and application device thereof'2008 7,202,526'Field effect transistor and application device thereof'2007 7,145,169'Field-effect transistor, semiconductor device, and photo relay'2006 7,130,177'Drive circuit of switch and relay circuit'2006 7,102,869'Optical semiconductor relay'2006 7,030,416'Micro electro mechanical system apparatus'2006 6,777,746'Field effect transistor and application device thereof'2004 5,963,785'Dielectrically-isolated integrated circuit'1999 5,608,237'Bidirectional semiconductor switch'1997 5,559,466'Semiconductor relay for transmitting high frequency signals'1996 5,514,996'Photo-coupler apparatus'1996 5,418,381'Photocoupled circuit with photodiode arrays driving a MOSFET switch and current limiting circuit'1995 5,075,758'Semiconductor device'1991 5,013,926'Photocoupler apparatus capable of shortening switching time of output contact'1991

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2009Patents assigned to TOSHIBA KK (17)· patent assignee history

1991Based in Machida, JP· patent location history

1995–2009Based in Kanagawa, JP· patent location history

1996Based in Yokohama, JP· patent location history

1999Based in Tokyo, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
TOSHIBA KK	17	1991–2009

Locations

Location	Patents	Span
Kanagawa, JP	13	1995–2009
Machida, JP	2	1991
Tokyo, JP	1	1999
Yokohama, JP	1	1996