Inventor
OKADA KENJI
JP115 patents
⚠️ This page may combine multiple inventors who share the name “OKADA KENJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
13 patentsUS5739544AApr 14, 1998
Quantization functional device utilizing a resonance tunneling effect and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD139 citations98
US5543351AAug 6, 1996
Method of producing electrically insulated silicon structure
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD86 citations96
US5296719AMar 22, 1994
Quantum device and fabrication method thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD51 citations96
US5244828ASep 14, 1993
Method of fabricating a quantum device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD59 citations95
US6633177B1Oct 14, 2003
Method of predicting lifetime of semiconductor integrated circuit and method for reliability testing of the circuit
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD31 citations93
US6525544B1Feb 25, 2003
Method for predicting lifetime of insulating film and method for reliability testing of semiconductor device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD24 citations93
US5486706AJan 23, 1996
Quantization functional device utilizing a resonance tunneling effect and method for producing the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD21 citations92
US5347140ASep 13, 1994
Resonant electron transfer device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD51 citations92
US5405454AApr 11, 1995
Electrically insulated silicon structure and producing method therefor
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD17 citations82
US6858448B2Feb 22, 2005
Method for evaluating and manufacturing a semiconductor device
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD7 citations74
US5562802AOct 8, 1996
Method of producing a quantum device which utilizes the quantum effect
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations74
US5480492AJan 2, 1996
Method for removing organic or inorganic contaminant from silicon substrate surface
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD15 citations74
US5444267AAug 22, 1995
Quantum device utilizing the quantum effect
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD11 citations74
IBM
7 patentsUS6831809B2Dec 14, 2004
Rotary recording apparatus and method of controlling the apparatus
IBM26 citations92
US6574065B1Jun 3, 2003
Method and apparatus for adaptive resonance mode cancellation servo in a rotating storage system
IBM39 citations92
US6530034B1Mar 4, 2003
Method and apparatus for error recovery in a storage device
IBM36 citations92
US6189110B1Feb 13, 2001
Disk device and data reassignment method
IBM52 citations91
US6490115B1Dec 3, 2002
Error recovery in unit using GMR sensor
IBM19 citations83
US6597530B2Jul 22, 2003
Method and apparatus for disk drive seek control
IBM11 citations74
US6456451B1Sep 24, 2002
Method and apparatus for disk drive seek control
IBM6 citations74
FUJIKURA LTD
5 patentsUS10745314B2Aug 18, 2020
Method of manufacturing optical fiber, optical fiber manufacturing apparatus, and control apparatus therefor
FUJIKURA LTD2 citations73
US10570051B2Feb 25, 2020
Control device, and manufacturing apparatus of optical fiber
FUJIKURA LTD2 citations73
US10023490B2Jul 17, 2018
Method of manufacturing optical fiber, optical fiber manufacturing apparatus, and control apparatus therefor
FUJIKURA LTD2 citations73
US9878935B2Jan 30, 2018
Manufacturing method, control device, and manufacturing apparatus of optical fiber
FUJIKURA LTD2 citations73
US9096464B2Aug 4, 2015
Method and apparatus for manufacturing optical fiber
FUJIKURA LTD6 citations73
HITACHI GLOBAL STORAGE TECH
4 patentsUS7489463B2Feb 10, 2009
Method of writing patterns using head with correct phases, and data storage device
HITACHI GLOBAL STORAGE TECH8 citations84
US7372653B2May 13, 2008
Degauss waveform generator for perpendicular recording write head
HITACHI GLOBAL STORAGE TECH15 citations84
US7342735B2Mar 11, 2008
Method of writing patterns onto a recording disk, and data storage device
HITACHI GLOBAL STORAGE TECH17 citations84
US7079337B2Jul 18, 2006
Bi staple flying height detection by BEMF control profile and data integrity problem protection
HITACHI GLOBAL STORAGE TECH12 citations82
NIPPON TELEGRAPH & TELEPHONE
2 patentsROHM CO LTD
2 patentsNEC CORP
2 patentsKANEKA CORP
2 patentsSHARP KK
2 patentsMATSUSHITA ELECTRONICS CORP
1 patentSONY CORP
1 patentFUJI HEAVY IND LTD
1 patentNTN TOYO BEARING CO LTD
1 patentCANON KK
1 patentNIPPON ELECTRIC CO
1 patentHITACHI LTD
1 patentMAZDA MOTOR MFG USA
1 patentBABCOCK HITACHI KK
1 patentTOKICO LTD
1 patentHITACHI GLOBAL TECH NL BV
1 patentShowing the top 50 of 115 patents by PatentIndex Score.