Inventor

Tamotsu Yamamoto

Inventor

Hyogo, JP

Overview

1980–2020

Patent span

Electricity

Primary field (CPC H)

Patents· 81 as inventor

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

H01Hprimary

H01HElectric switches16%

G06FElectric digital data processing13%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution6%

H01MProcesses or means, e.g. batteries, for the direct conversion of chemical energy into electrical energy6%

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 systems5%

Y10TTechnical subjects covered by former us classification4%

G01DMeasuring not specially adapted for a specific variable3%

G05GControl devices or systems insofar as characterised by mechanical features only3%

H04MTelephonic communication3%

H03KPulse technique3%

PatentTitleYear

10,854,913Solid electrolyte and all-solid battery2020 10,505,221Solid electrolyte and fabrication method therefor, and all-solid-state secondary battery and fabrication method therefor2019 10,505,185Solid electrolyte and all-solid-state battery2019 9,991,557Composite solid electrolyte and all solid battery2018 9,666,541'Electronic device, manufacturing method of the same, and network system'2017 9,627,161'Operating switch'2017 9,595,736'Lithium-ion conductor and all-solid lithium-ion secondary battery'2017 9,306,418'Uninterruptible power-supply apparatus and method of using the same'2016 9,142,861'Lithium ionic conductor and fabrication method therefor, and all-solid lithium secondary battery'2015 9,075,592'Information processing system, uninterruptible power system, and method for controlling allocation of processing'2015 9,046,969'Input device'2015 8,804,311'Electrolyte solution and electric energy storing device using electrolyte solution'2014 8,558,542'Magnetic detector and input device using the same'2013 8,552,981'Multidirectional input device and electronic apparatus comprising it'2013 8,466,872'Input apparatus'2013 8,390,275'Component including magnets for input operation'2013 8,368,651'Input device'2013 8,212,767'Input device'2012 8,184,023'Rotary operation type input device'2012 8,139,033'Input device'2012 8,130,123'Rotary actuator and input device using the same'2012 8,054,293'Electronic apparatus'2011 7,960,667'Movable contact element and switch using the same'2011 7,942,119'Variable valve mechanism'2011 7,737,668'Buck-boost switching regulator'2010 7,714,562'Hysteretic switching regulator'2010 7,683,719'Internal frequency compensation circuit for integrated circuit controllers'2010 7,623,652'Electronic device, input device, and portable electronic device using the same'2009 7,621,242'Variable valve operating mechanism'2009 7,619,358'Dispersion-type EL device and illuminated switch unit using the same'2009 7,465,896'Electronic device'2008 7,463,312'Remote controller and transmitter-receiver using the same'2008 7,451,729'Variable valve mechanism'2008 7,439,461'Neutral position returning mechanism and input device using the same'2008 7,416,985'Semiconductor device having a multilayer interconnection structure and fabrication method thereof'2008 7,390,741'Method for fabricating semiconductor device'2008 7,338,905'Semiconductor device manufacture method'2008 7,323,959'Trackball device'2008 7,295,187'Electronic apparatus'2007 7,292,015'High efficiency, high slew rate switching regulator/amplifier'2007 7,282,900'Performance controller for a step down current mode switching regulator'2007 7,282,894'Method and apparatus for performing lossless sensing and negative inductor currents in a high side switch'2007 7,274,354'Portable electronic apparatus'2007 7,250,746'Current mode switching regulator with predetermined on time'2007 7,199,636'Active diode'2007 7,176,668'Switching regulator with advanced slope compensation'2007 7,161,583'Input device and method for detecting contact position'2007 7,158,119'Track ball device and electronic apparatus using the same'2007 7,132,957'Remote control transmitter and transmitting and receiving device using the same'2006 7,126,318'Higher order slope compensation for fixed frequency current mode switching regulators'2006 7,067,751'Switch'2006 7,041,919'Switch having resilient operating section'2006 6,943,115'Semiconductor device and method of manufacture thereof'2005 6,909,422'Track ball device and electronic apparatus using the same'2005 6,906,269'Multi-directional slide switch'2005 6,864,679'Rotary manipulation type input device and electronic apparatus using the same'2005 6,857,879'Coupling device and folding electronic apparatus using the same'2005 6,841,743'Multidirectional control switch and multidirectional input device using the same'2005 6,794,982'Multidirectional input device and electronic apparatus comprising it'2004 6,750,408'Multi-directional operation switch and multi-directional input device using the same'2004 6,664,951'Mobile communication terminal equipment and touch panel switch used therein'2003 6,653,579'Multi-directional input joystick switch'2003 6,645,671'Lithium secondary battery, anode for lithium secondary battery, and method for manufacturing the anode'2003 6,518,958'Electronic apparatus having plural entry switches'2003 6,504,269'Input device and electronic appliance using the same'2003 6,388,212'Push and rotary operating type electronic component'2002 6,229,103'Electronic component with built-in push switch driven by rotary and pushing operation of an operating knob'2001 6,187,477'Lithium secondary battery and cathode composition therefor'2001 6,136,475'Lithium secondary battery and cathode composition therefor'2000 5,951,398'Encoder for game machine'1999 5,705,778'Rotary and pushbutton switch operating mechanism including flexible connection arrangement located between rotor and shaft'1998 5,613,600'Rotatively-operated electronic component with push switch'1997 5,595,288'Thin switch including domed contact'1997 5,593,023'Rotatively-operated electronic component with push switch'1997 5,399,503'Method for growing a HgCdTe epitaxial layer on a semiconductor substrate'1995 5,316,862'Magnetic recording medium, comprising magnetic powder and a sulfoxide group containing vinyl chloride copolymer binder resin'1994 5,086,221'Rotary encoder having stationary central support shaft'1992 5,070,238'Rotary encoder having circular magnet'1991 4,745,825'Transfer system to selectively perform the two-wheeled and four-wheeled driving operations for use in automobiles'1988 4,569,115'Method and apparatus for controlling the depth of cut in the radial direction of a rotary cutting tool in a machine tool'1986 4,195,250'Automatic measuring and tool position compensating system for a numerically controlled machine tool'1980

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1991–2008Patents assigned to MATSUSHITA ELECTRIC INDUSTRIAL CO LTD (36)· patent assignee history

1991–2011Based in Ashiya, JP· patent location history

1995–2020Patents assigned to FUJITSU LTD (18)· patent assignee history

2001–2016Based in Kawasaki, JP· patent location history

2002–2017Based in Hyogo, JP· patent location history

2006–2010Based in Cupertino, CA, US· patent location history

2008–2013Patents assigned to PANASONIC CORP (18)· patent assignee history

2012–2015Patents assigned to YAMAMOTO TAMOTSU (11)· patent assignee history

2012–2013Patents assigned to INOUE HIROTO (5)· patent assignee history

2017–2020Based in Tachikawa, JP· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD	36	1991–2008
FUJITSU LTD	18	1995–2020
PANASONIC CORP	18	2008–2013
YAMAMOTO TAMOTSUself	11	2012–2015
INOUE HIROTO	5	2012–2013

Locations

Location	Patents	Span
Hyogo, JP	28	2002–2017
Ashiya, JP	17	1991–2011
Kawasaki, JP	10	2001–2016
Cupertino, California, US	10	2006–2010
Tachikawa, JP	6	2017–2020