P

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 patents
US5004328AApr 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 patents
US7116966B2Oct 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 patents

IKEGAMI TSUSHINKI KK

2 patents

SONY CORP

1 patent

KANEGAFUCHI CHEMICAL IND

1 patent

Showing the top 50 of 57 patents by PatentIndex Score.