Inventor

Yuji Maeda

Inventor

Tokyo, JP

Overview

45→

Patents

1982–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 45 as inventor

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

H10Pprimary

H10PGeneric processes or apparatus for the manufacture or treatment of devices covered by class h109%

C23CCoating metallic material7%

H02JElectric power networks7%

H02PControl or regulation of electric motors, electric generators or dynamo-electric converters7%

G10LSpeech analysis techniques or speech synthesis5%

B60RVehicles, vehicle fittings, or vehicle parts, not otherwise provided for4%

F02DControlling combustion engines4%

Y02TClimate change mitigation technologies related to transportation4%

B25JManipulators3%

F02BInternal-combustion piston engines3%

PatentTitleYear

10,614,189Component retrieve device and component retrieve method2020 10,142,265Server, method, and computer-readable storage medium storing a program for providing video chat2018 9,860,608'Advertisement distribution system'2018 7,488,690'Silicon nitride film with stress control'2009 7,473,655'Method for silicon based dielectric chemical vapor deposition'2009 7,465,669'Method of fabricating a silicon nitride stack'2008 7,464,030'Vector search method'2008 7,393,417'Semiconductor-manufacturing apparatus'2008 7,219,522'Oval cross section metal tube producing device and producing method'2007 6,884,464'Methods for forming silicon comprising films using hexachlorodisilane in a single-wafer deposion chamber'2005 6,731,243'Planar antenna device'2004 6,566,199'Method and system for forming film, semiconductor device and fabrication method thereof'2003 6,340,848'On-vehicle distribution box and distribution system'2002 6,323,579'Ultrasonic driving motor'2001 6,295,352'Switching system for automatic call distribution and new operation training'2001 6,167,372'Signal identifying device, code book changing device, signal identifying method, and code book changing method'2000 6,156,382'Chemical vapor deposition process for depositing tungsten'2000 6,072,844'Gain control in post filtering process using scaling'2000 6,028,845'Communication-line-quality measuring system using a conventional signal frame structure'2000 6,003,001'Speech encoding method and apparatus'1999 5,960,005'Method and device for two-way communication network'1999 5,953,630'Suppression of tungsten film deposition on a semiconductor wafer bevel edge with a halogenide purge gas'1999 5,896,961'Dynamic vibration absorber'1999 5,839,110'Transmitting and receiving apparatus'1998 5,719,488'Charging generator and voltage regulator therefor'1998 5,661,795'Adaptive signal processing device, echo suppressing device and hand-portable telephone device'1997 5,561,363'Generation controller for a vehicle'1996 5,556,059'Device for guiding wire harness of steering column'1996 5,545,930'Generated-voltage regulator for automobile ensuring correct key switch on-state determination'1996 5,521,486'Charging generator with self-diagnosis function'1996 5,483,132'Control device for motor-driven telescopic antenna'1996 5,319,640'Transmitting/receiving system having digital switching network'1994 5,314,354'Fuse box'1994 5,257,951'Electrical connecting device for automotive vehicle'1993 5,186,136'Abnormal combustion detection and vibration reduction system'1993 5,111,784'Apparatus for reducing vibrations of the body of a vehicle'1992 5,111,405'Engine control system'1992 5,097,188'Motorized automobile antenna control device'1992 5,087,869'Protective circuit in a device for reducing vibrations of a vehicle body'1992 5,086,741'Method and apparatus for detecting and controlling combustion condition in an internal combustion engine'1992 5,083,038'Vehicle body vibration reduction control apparatus'1992 5,038,299'Serial/parallel transfer apparatus'1991 5,020,388'Wire guide apparatus for wire-driven mechanism'1991 4,986,723'Anthropomorphic robot arm'1991 4,364,593'Object grasping system'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2002Based in Shizuoka, JP· patent location history

1992–1998Patents assigned to HITACHI LTD (9)· patent assignee history

1992–1993Patents assigned to NISSAN MOTOR (4)· patent assignee history

1992Based in Katsuta, JP· patent location history

1994–2020Patents assigned to FUJITSU LTD (5)· patent assignee history

1994–2020Based in Kawasaki, JP· patent location history

1996–2018Based in Tokyo, JP· patent location history

1997–2008Patents assigned to SONY CORP (6)· patent assignee history

1999–2009Patents assigned to APPLIED MATERIALS INC (8)· patent assignee history

1999–2009Based in Chiba, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HITACHI LTD	9	1992–1998
APPLIED MATERIALS INC	8	1999–2009
SONY CORP	6	1997–2008
FUJITSU LTD	5	1994–2020
NISSAN MOTOR	4	1992–1993

Locations

Location	Patents	Span
Tokyo, JP	11	1996–2018
Shizuoka, JP	5	1991–2002
Katsuta, JP	5	1992
Kawasaki, JP	4	1994–2020
Chiba, JP	4	1999–2009