Assignee
SEIKO INSTR INC
JP2,517 patents
Top patents by PatentIndex Score
US7443152B2Oct 28, 2008
Boost DC-DC converter and semiconductor device having boost DC-DC converter
SEIKO INSTR INC152 citations99
US7155685B2Dec 26, 2006
Optimizing designing apparatus of integrated circuit, optimizing designing method of integrated circuit, and storing medium in which program for carrying out optimizing designing method of integrated circuit is stored
SEIKO INSTR INC195 citations99
US7015455B2Mar 21, 2006
Near-field optical probe
SEIKO INSTR INC110 citations99
US6659978B1Dec 9, 2003
Portable dosing apparatus
SEIKO INSTR INC269 citations99
USD466487SDec 3, 2002
Mobile phone
SEIKO INSTR INC92 citations99
US6246362B1Jun 12, 2001
Portable GPS signal receiving apparatus
SEIKO INSTR INC162 citations99
US5705770AJan 6, 1998
Thermoelectric module and method of controlling a thermoelectric module
SEIKO INSTR INC148 citations99
US5527733AJun 18, 1996
Impurity doping method with adsorbed diffusion source
SEIKO INSTR INC151 citations99
US7646677B2Jan 12, 2010
Portable electronic timepiece
SEIKO INSTR INC92 citations98
US7599277B1Oct 6, 2009
Near-field optical head having tapered hole for guiding light beam
SEIKO INSTR INC59 citations98
US7476016B2Jan 13, 2009
Illuminating device and display device including the same
SEIKO INSTR INC80 citations98
US6980181B2Dec 27, 2005
LED drive circuit
SEIKO INSTR INC111 citations98
US6908233B2Jun 21, 2005
Optical connector plug, optical connector adapter and optical connector
SEIKO INSTR INC85 citations98
US6879502B2Apr 12, 2005
Power source inverter circuit
SEIKO INSTR INC81 citations98
US6702249B2Mar 9, 2004
Pressure-variable valve device and set-pressure adjusting device for the valve device
SEIKO INSTR INC136 citations98
US6684904B2Feb 3, 2004
Variable pressure valve apparatus
SEIKO INSTR INC143 citations98
US6680674B1Jan 20, 2004
Adaptive geographic mapping in vehicle information systems
SEIKO INSTR INC115 citations98
US6621082B2Sep 16, 2003
Automatic focusing system for scanning electron microscope equipped with laser defect detection function
SEIKO INSTR INC110 citations98
US6533468B2Mar 18, 2003
Universal optical fiber connectors and basic plugs thereof
SEIKO INSTR INC104 citations98
USD466488SDec 3, 2002
Mobile phone
SEIKO INSTR INC79 citations98
US6485449B2Nov 26, 2002
Pressure-variable valve device and set-pressure adjusting device for the valve device
SEIKO INSTR INC138 citations98
US6474360B1Nov 5, 2002
Variable pressure valve apparatus
SEIKO INSTR INC116 citations98
US6391019B1May 21, 2002
Valve apparatus and valve system using thereof
SEIKO INSTR INC134 citations98
US6304243B1Oct 16, 2001
Light valve device
SEIKO INSTR INC112 citations98
US6224270B1May 1, 2001
Universal optical fiber connectors and basic plugs thereof
SEIKO INSTR INC152 citations98
US6204807B1Mar 20, 2001
Portable GPS positioning apparatus
SEIKO INSTR INC98 citations98
US6191476B1Feb 20, 2001
Semiconductor device
SEIKO INSTR INC112 citations98
US6151432ANov 21, 2000
Universal optical fiber connectors and basic plugs thereof
SEIKO INSTR INC275 citations98
US6067062AMay 23, 2000
Light valve device
SEIKO INSTR INC199 citations98
US6046492AApr 4, 2000
Semiconductor temperature sensor and the method of producing the same
SEIKO INSTR INC118 citations98
US5926131AJul 20, 1999
GPS receiving apparatus
SEIKO INSTR INC140 citations98
US5905460AMay 18, 1999
Wrist watch type GPS receiver
SEIKO INSTR INC155 citations98
US5637187AJun 10, 1997
Light valve device making
SEIKO INSTR INC204 citations98
US5587558ADec 24, 1996
Coordinate detecting apparatus having acceleration detectors
SEIKO INSTR INC241 citations98
US5574292ANov 12, 1996
Semiconductor device with monosilicon layer
SEIKO INSTR INC128 citations98
US5395711AMar 7, 1995
Non-aqueous electrolyte secondary battery and its production method
SEIKO INSTR INC222 citations98
US5124272AJun 23, 1992
Method of producing field effect transistor
SEIKO INSTR INC361 citations98
US9105413B2Aug 11, 2015
Portable apparatus and portable timepiece
SEIKO INSTR INC97 citations97
US8920022B2Dec 30, 2014
Waterproof device and portable timepiece
SEIKO INSTR INC96 citations97
US7591582B2Sep 22, 2009
Watch and crown used in this watch
SEIKO INSTR INC85 citations97
US7366392B2Apr 29, 2008
Lighting device and display device using the same
SEIKO INSTR INC63 citations97
US7255473B2Aug 14, 2007
Portable timepiece
SEIKO INSTR INC91 citations97
US6678629B2Jan 13, 2004
Portable altimeter and altitude computing method
SEIKO INSTR INC163 citations97
US6532432B1Mar 11, 2003
Portable GPS velosity/distance meter
SEIKO INSTR INC78 citations97
US6489062B1Dec 3, 2002
Non-aqueous electrolyte secondary battery having heat-resistant electrodes
SEIKO INSTR INC89 citations97
US6449583B1Sep 10, 2002
Portable measurement apparatus
SEIKO INSTR INC97 citations97
US6404139B1Jun 11, 2002
Circuit for driving a light emitting elements display device
SEIKO INSTR INC87 citations97
US6370306B1Apr 9, 2002
Optical waveguide probe and its manufacturing method
SEIKO INSTR INC156 citations97
US6285314B1Sep 4, 2001
Portable GPS type distance/speed meter capable of changing sampling period of GPS signal in response to arm swinging period
SEIKO INSTR INC88 citations97
US6107862AAug 22, 2000
Charge pump circuit
SEIKO INSTR INC230 citations97
Showing the top 50 of 2,517 patents by PatentIndex Score.