Inventor
HATTORI JUN
JP57 patents
⚠️ This page may combine multiple inventors who share the name “HATTORI JUN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CANON KK
22 patentsUS5004328AApr 2, 1991
Spherical lens and imaging device using the same
CANON KK115 citations96
US4810070AMar 7, 1989
Lens system having a good image performance for white light
CANON KK73 citations96
US5742585AApr 21, 1998
Network for connecting a plurality of nodes using a plurality of channels
CANON KK41 citations93
US5011272AApr 30, 1991
Compact zoom lens
CANON KK39 citations93
US4859040AAug 22, 1989
Optical system having gradient-index lens and method for correcting aberrations
CANON KK44 citations93
US4848882AJul 18, 1989
Gradient index lens
CANON KK33 citations93
US4842386AJun 27, 1989
Variable focal length objective
CANON KK29 citations93
US4776679AOct 11, 1988
Objective of variable focal length
CANON KK35 citations93
US4907866AMar 13, 1990
Objective of variable focal length
CANON KK19 citations82
US4749265AJun 7, 1988
Zoom lens
CANON KK20 citations82
US5225892AJul 6, 1993
Positional deviation detecting method
CANON KK15 citations74
US5054898AOct 8, 1991
Compact high-range varifocal objectives
CANON KK13 citations74
US4762403AAug 9, 1988
Imaging optical system having a distributed index lens
CANON KK13 citations74
US4755039AJul 5, 1988
Focusing lens
CANON KK9 citations74
US4696552ASep 29, 1987
Projection device with refractive index distribution type lens
CANON KK10 citations74
US4674843AJun 23, 1987
Gradient index lens
CANON KK10 citations74
US5481363AJan 2, 1996
Positional deviation detecting method
CANON KK11 citations73
US4721369AJan 26, 1988
Gradient index single lens
CANON KK7 citations68
US5148035ASep 15, 1992
Position detecting method and apparatus
CANON KK4 citations63
US4964703AOct 23, 1990
Image-forming lens
CANON KK6 citations63
US4618762AOct 21, 1986
In-focus position detecting apparatus
CANON KK4 citations63
US4571033AFeb 18, 1986
Zoom lens
CANON KK4 citations63
MURATA MANUFACTURING CO
21 patentsUS7116966B2Oct 3, 2006
Transmitting/receiving filter device and communication device
MURATA MANUFACTURING CO20 citations93
US4706052ANov 10, 1987
Dielectric resonator
MURATA MANUFACTURING CO29 citations93
US6549092B1Apr 15, 2003
Resonator device, filter, composite filter device, duplexer, and communication device
MURATA MANUFACTURING CO25 citations92
US6496087B1Dec 17, 2002
Multi-mode dielectric resonance devices, dielectric filter, composite dielectric filter, synthesizer, distributor, and communication equipment
MURATA MANUFACTURING CO22 citations92
US5764115AJun 9, 1998
Dielectric resonator apparatus with magnetic field coupling loop
MURATA MANUFACTURING CO30 citations92
US6507254B1Jan 14, 2003
Multimodal dielectric resonance device, dielectric filter, composite dielectric filter, synthesizer, distributor, and communication apparatus
MURATA MANUFACTURING CO14 citations84
US6433652B1Aug 13, 2002
Multimode dielectric resonator apparatus, filter, duplexer and communication apparatus
MURATA MANUFACTURING CO14 citations84
US5898349AApr 27, 1999
Dielectric filter having a plurality of TM multi-mode dielectric resonators
MURATA MANUFACTURING CO17 citations84
US5796320AAug 18, 1998
Dielectric resonator
MURATA MANUFACTURING CO19 citations84
US6914497B2Jul 5, 2005
Parallel multistage band-pass filter
MURATA MANUFACTURING CO13 citations82
US4916417AApr 10, 1990
Microstripline filter
MURATA MANUFACTURING CO20 citations82
US4727342AFeb 23, 1988
Dielectric resonator
MURATA MANUFACTURING CO20 citations82
US6781487B2Aug 24, 2004
Multimode dielectric resonator device, dielectric filter, composite dielectric filter, synthesizer, distributor, and communication device
MURATA MANUFACTURING CO12 citations74
US5291160AMar 1, 1994
Filter arrangement including a non-reversible circuit element, a band-pass filter, and an active circuit
MURATA MANUFACTURING CO7 citations74
US5132651AJul 21, 1992
Filter apparatus
MURATA MANUFACTURING CO12 citations74
US5119034AJun 2, 1992
Method of measuring dielectric material constants and measuring device employed therefor
MURATA MANUFACTURING CO19 citations74
US4721931AJan 26, 1988
Stripline filter
MURATA MANUFACTURING CO17 citations74
US6518857B1Feb 11, 2003
Multimode dielectric resonator apparatus, filter, duplexer, and communication apparatus
MURATA MANUFACTURING CO11 citations73
US6998942B2Feb 14, 2006
Three-dimensional periodic structure, method of producing the same, high frequency element, and high frequency apparatus
MURATA MANUFACTURING CO10 citations71
US7332987B2Feb 19, 2008
Multimode dielectric resonator device, dielectric filter, composite dielectric filter and communication apparatus
MURATA MANUFACTURING CO4 citations63
US6774744B1Aug 10, 2004
Dielectric filter, dielectric duplexer, and communication device
MURATA MANUFACTURING CO5 citations63
KANEKA CORP
3 patentsIKEGAMI TSUSHINKI KK
2 patentsSONY CORP
1 patentKANEGAFUCHI CHEMICAL IND
1 patentShowing the top 50 of 57 patents by PatentIndex Score.