loadpatents
name:-0.042319059371948
name:-0.04353404045105
name:-0.005403995513916
ISHIKAWA; Yohei Patent Filings

ISHIKAWA; Yohei

Patent Applications and Registrations

Patent applications and USPTO patent grants for ISHIKAWA; Yohei.The latest application filed is for "adsorbent particles, base particle, packed column, and method for recovering rare-earth element".

Company Profile
4.29.30
  • ISHIKAWA; Yohei - Chiyoda-ku Tokyo
  • ISHIKAWA; Yohei - Okayama-shi JP
  • Ishikawa; Yohei - Tokyo JP
  • Ishikawa; Yohei - Okayama JP
  • Ishikawa; Yohei - Kyoto-shi JP
  • ISHIKAWA; Yohei - Tokyo-to JP
  • Ishikawa; Yohei - Yokohama JP
  • Ishikawa; Yohei - Yokohama-shi JP
  • Ishikawa; Yohei - Kyoto JP
  • Ishikawa; Yohei - Kyoto-fu JP
  • Ishikawa, Yohei - Nagaokakyo-shi JP
*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.
Patent Activity
PatentDate
Adsorbent Particles, Base Particle, Packed Column, And Method For Recovering Rare-earth Element
App 20220305457 - AOSHIMA; Masahiro ;   et al.
2022-09-29
Adsorbent Particles, Method For Producing Adsorbent Particles, Base Material Particles, Filling Column And Method For Recovering Rare Earth Element
App 20220219139 - AOSHIMA; Masahiro ;   et al.
2022-07-14
Carrier Core Material And Electrophotographic Development Carrier Using Same And Electrophotographic Developer
App 20210132520 - KAWAUCHI; Takeshi ;   et al.
2021-05-06
Polyketone composition including epoxy compound, cured polyketone, optical element, and image display device
Grant 10,759,937 - Matsutani , et al. Sep
2020-09-01
Polyketone Composition, Polyketone Membrane, Substrate With Polyketone Membrane, Optical Element, Image Display Device, Covered
App 20200247948 - Kind Code
2020-08-06
Aromatic Polyketone Having Two Different Structural Units
App 20190211141 - MATSUTANI; Hiroshi ;   et al.
2019-07-11
Polyketone Composition Including Epoxy Compound, Cured Polyketone, Optical Element, And Image Display Device
App 20190077951 - MATSUTANI; Hiroshi ;   et al.
2019-03-14
Carrier core material and electrophotographic development carrier using same and electrophotographic developer
Grant 9,964,878 - Ishikawa , et al. May 8, 2
2018-05-08
Carrier Core Material And Electrophotographic Development Carrier Using Same And Electrophotographic Developer
App 20180107129 - ISHIKAWA; Yohei ;   et al.
2018-04-19
Carrier Core Material And Electrophotographic Development Carrier Using Same And Electrophotographic Developer
App 20180052405 - ISHIKAWA; Yohei ;   et al.
2018-02-22
Ferrite particles, carrier for electrophotographic development using same, and developer for electrophotography
Grant 9,740,129 - Sasaki , et al. August 22, 2
2017-08-22
Ferrite Particles, Carrier For Electrophotographic Development Using Same, And Developer For Electrophotography
App 20160266510 - SASAKI; Shinya ;   et al.
2016-09-15
Power Storage System
App 20150219065 - Ishikawa; Yohei
2015-08-06
Noise Suppression Apparatus And Program
App 20100296665 - ISHIKAWA; Yohei ;   et al.
2010-11-25
Transmission line connecting structure and transmission/reception device
Grant 7,518,472 - Mukaiyama , et al. April 14, 2
2009-04-14
Antenna device radio unit and radar
Grant 7,253,781 - Furuhi , et al. August 7, 2
2007-08-07
Transmission line connecting structure and transmission/reception device
App 20070176713 - Mukaiyama; Kazutaka ;   et al.
2007-08-02
Planar dielectric line, high-frequency active circuit, and transmitter-receiver
App 20070046402 - Mukaiyama; Kazutaka ;   et al.
2007-03-01
Antenna , radio unit and radar
App 20060044199 - Furuhi; Tomoshige ;   et al.
2006-03-02
Eyeglass interface device and security system
App 20050275714 - Ishikawa, Yohei ;   et al.
2005-12-15
High-frequency circuit device and transmitter/receiver
Grant 6,891,452 - Mikami , et al. May 10, 2
2005-05-10
Guide marker and visual guide marker device
Grant 6,882,300 - Nakamura , et al. April 19, 2
2005-04-19
Complex Circuit Board, Nonreciprocal Circuit Device, Resonator, Filter, Duplexer Communications Device, Circuit Module, Complex Circuit Board Manufacturing Method, And Nonreciprocal Circuit Device Manufacturing Method
Grant 6,861,920 - Ishikawa , et al. March 1, 2
2005-03-01
Slot electrode dielectric resonator, inductor, capacitor, dielectric filter, oscillator, and communication device
Grant 6,828,867 - Ishikawa , et al. December 7, 2
2004-12-07
High-frequency circuit device using slot line and communication apparatus having high frequency circuit device
Grant 6,778,031 - Baba , et al. August 17, 2
2004-08-17
Planar dielectric integrated circuit with line conversion conductor patterns
Grant 6,717,492 - Ishikawa , et al. April 6, 2
2004-04-06
Complex circuit board, nonreciprocal circuit device, resonator, filter, duplexer communications device, circuit module, complex circuit board manufacturing method, and nonreciprocal circuit device manufacturing method
App 20040041646 - Ishikawa, Yohei ;   et al.
2004-03-04
High-frequency circuit device and transmitter/receiver
App 20040041668 - Mikami, Shigeyuki ;   et al.
2004-03-04
High-frequency circuit device using slot line and communication apparatus having high frequency circuit device
App 20040036542 - Baba, Takahiro ;   et al.
2004-02-26
Guide marker and visual guide marker device
App 20030214429 - Nakamura, Fuminori ;   et al.
2003-11-20
Antenna apparatus and transmission and receiving apparatus using same
App 20030214457 - Ishikawa, Yohei ;   et al.
2003-11-20
Complex Circuit Board, Nonreciprocal Circuit Device, Resonator, Filter, Duplexer, Communications Device, Circuit Module, Complex Circuit Board Manufacturing Method, And Nonreciprocal Circuit Device Manufacturing Method
Grant 6,646,516 - Ishikawa , et al. November 11, 2
2003-11-11
Radio frequency module, communication device, and radar device
Grant 6,628,230 - Mikami , et al. September 30, 2
2003-09-30
Dielectric resonator, inductor, capacitor, dielectric filter, oscillator, and communication device
App 20030137370 - Ishikawa, Yohei ;   et al.
2003-07-24
Radio frequency module, communication device, and radar device
App 20030085836 - Mikami, Shigeyuki ;   et al.
2003-05-08
Complex circuit board, nonreciprocal circuit device, resonator, filter, duplexer, communications device, circuit module, complex circuit board manufacturing method, and nonreciprocal circuit device manufacturing method
App 20020196093 - Ishikawa, Yohei ;   et al.
2002-12-26
Resonator, filter, duplexer, and communication device
Grant 6,486,754 - Hidaka , et al. November 26, 2
2002-11-26
Complex circuit board with an electrode and air gap between dielectric and magnetic substrates
Grant 6,472,960 - Ishikawa , et al. October 29, 2
2002-10-29
Dielectric resonator, inductor, capacitor, dielectric filter, oscillator, and communication device
App 20020140529 - Ishikawa, Yohei ;   et al.
2002-10-03
Apparatus for measuring electrical characteristics of circuit
Grant 6,449,307 - Ishikawa , et al. September 10, 2
2002-09-10
Planar dielectric integrated circuit
Grant 6,445,255 - Ishikawa , et al. September 3, 2
2002-09-03
Planar dielectric integrated circuit
App 20020089385 - Ishikawa, Yohei ;   et al.
2002-07-11
Dielectric resonator, inductor, capacitor, dielectric filter, oscillator, and communication device
Grant 6,411,181 - Ishikawa , et al. June 25, 2
2002-06-25
High-frequency circuit device and communication apparatus
App 20020047751 - Ishikawa, Yohei ;   et al.
2002-04-25
Antenna apparatus and transmission and receiving apparatus using same
App 20020018022 - Ishikawa, Yohei ;   et al.
2002-02-14
High frequency circuit device and communication device
App 20010024150 - Iio, Kenichi ;   et al.
2001-09-27
Antenna Apparatus And Transmission And Receiving Apparatus Using The Same
App 20010013842 - ISHIKAWA, YOHEI ;   et al.
2001-08-16
Dielectric line switch and antenna device
Grant 6,246,298 - Ishikawa , et al. June 12, 2
2001-06-12
Radio-frequency radiation source, radio frequency radiation source array, antenna module, and radio equipment
Grant 6,188,360 - Kato , et al. February 13, 2
2001-02-13
Dielectric resonator formed by polygonal openings in a dielectric substrate, and a filter, duplexer, and communication apparatus using same
Grant 6,184,758 - Ishikawa , et al. February 6, 2
2001-02-06
Dielectric lens antenna having heating body and radio equipment including the same
Grant 6,175,335 - Ishikawa , et al. January 16, 2
2001-01-16
Dielectric waveguide of a laminated structure
Grant 6,104,264 - Ishikawa , et al. August 15, 2
2000-08-15
High-frequency semiconductor device
Grant 6,100,554 - Ishikawa , et al. August 8, 2
2000-08-08
Antenna device and radar module
Grant 6,052,087 - Ishikawa , et al. April 18, 2
2000-04-18
Planar dielectric line and integrated circuit using the same line
Grant 5,986,527 - Ishikawa , et al. November 16, 1
1999-11-16
Dielectric lens apparatus
Grant 5,900,847 - Ishikawa , et al. May 4, 1
1999-05-04
Transmitter-receiver
Grant 5,867,120 - Ishikawa , et al. February 2, 1
1999-02-02
Dielectric resonator and filter utilizing a nonradiative dielectric waveguide device
Grant 5,764,116 - Ishikawa , et al. June 9, 1
1998-06-09

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