P

Inventor

MATSUI TAKASHI

JP193 patents
⚠️ This page may combine multiple inventors who share the name “MATSUI TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

29 patents
US9239528B2Jan 19, 2016

Toner

CANON KK56 citations98
US9213250B2Dec 15, 2015

Toner

CANON KK55 citations98
US7678523B2Mar 16, 2010

Magnetic toner

CANON KK54 citations98
US10969705B2Apr 6, 2021

Two-component developer

CANON KK23 citations94
US10859931B2Dec 8, 2020

Toner and two-component developer

CANON KK23 citations94
US10732530B2Aug 4, 2020

Toner and method for producing toner

CANON KK26 citations94
US10656545B2May 19, 2020

Toner and method for producing toner

CANON KK32 citations94
US10241430B2Mar 26, 2019

Toner, and external additive for toner

CANON KK36 citations94
US10197934B2Feb 5, 2019

Toner, developing apparatus, and image-forming apparatus provided with toner

CANON KK46 citations94
US10156800B2Dec 18, 2018

Toner, developing device, and image forming apparatus

CANON KK31 citations94
US10012919B2Jul 3, 2018

Toner, developing apparatus, and image-forming apparatus

CANON KK33 citations94
US9904195B2Feb 27, 2018

Toner, image forming apparatus, and image forming method

CANON KK31 citations94
US9857707B2Jan 2, 2018

Toner

CANON KK37 citations94
US9658546B2May 23, 2017

Toner and method of producing toner

CANON KK42 citations94
US9581934B2Feb 28, 2017

Developing apparatus, developing method, image forming apparatus, and image forming method

CANON KK22 citations94
US9442416B2Sep 13, 2016

Image-forming apparatus, image-forming method, developing apparatus, and developing method

CANON KK47 citations94
US9354545B2May 31, 2016

Developing apparatus, developing method, image-forming apparatus, and image-forming method

CANON KK45 citations94
US9348246B2May 24, 2016

Developing apparatus, developing method, image forming apparatus and image forming method

CANON KK45 citations94
US9304422B2Apr 5, 2016

Magnetic toner

CANON KK46 citations94
US9217943B2Dec 22, 2015

Magnetic toner

CANON KK43 citations94
US9097997B2Aug 4, 2015

Magnetic toner

CANON KK54 citations94
US8883389B2Nov 11, 2014

Developing apparatus and developing method

CANON KK39 citations94
US7935467B2May 3, 2011

Magnetic toner

CANON KK49 citations94
US7923190B2Apr 12, 2011

Toner

CANON KK49 citations94
US11181844B2Nov 23, 2021

Toner and method of producing toner

CANON KK21 citations93
US10732529B2Aug 4, 2020

Positive-charging toner

CANON KK17 citations93
US9442419B2Sep 13, 2016

Developing apparatus, developing method, image forming apparatus, and image forming method

CANON KK22 citations92
US7842446B2Nov 30, 2010

Toner

CANON KK28 citations92
US11287758B2Mar 29, 2022

Toner and method for producing toner

CANON KK11 citations86

MATSUI TAKASHI

2 patents
US8778585B2Jul 15, 2014

Toner

MATSUI TAKASHI61 citations97
US8614044B2Dec 24, 2013

Toner

MATSUI TAKASHI66 citations97

MAGOME MICHIHISA

2 patents
US8426094B2Apr 23, 2013

Magnetic toner

MAGOME MICHIHISA60 citations96
US8426091B2Apr 23, 2013

Magnetic toner and image-forming method

MAGOME MICHIHISA45 citations93

MEIDENSHA ELECTRIC MFG CO LTD

2 patents
US5668506ASep 16, 1997

Temperature compensated crystal oscillator

MEIDENSHA ELECTRIC MFG CO LTD94 citations95
US5548252AAug 20, 1996

Digital temperature compensated crystal oscillator

MEIDENSHA ELECTRIC MFG CO LTD57 citations93

SEKISUI PLASTICS

2 patents
US4090903AMay 23, 1978

Apparatus and method for manufacturing a container from a thermoplastic resin foam sheet

SEKISUI PLASTICS36 citations93
US3967991AJul 6, 1976

Method for producing receptacles from thermoplastic resin foam sheet

SEKISUI PLASTICS71 citations91

MITSUBISHI PETROCHEMICAL CO

2 patents
US5326627AJul 5, 1994

Polyolefin-based wrapping film

MITSUBISHI PETROCHEMICAL CO31 citations92
US5094847AMar 10, 1992

Method for producing an antibacterial molded article of polyolefin resin composition comprising a zeolite containing silver and subjecting the surface of the molded article to corona discharge

MITSUBISHI PETROCHEMICAL CO40 citations92

POLA CHEM IND INC

2 patents
USD611825SMar 16, 2010

Bottle for packaging

POLA CHEM IND INC17 citations90
USD611354SMar 9, 2010

Jar for packaging

POLA CHEM IND INC25 citations90

FUKUYAMA PEARL SHIKO KABUSHIKI

1 patent
US4704510ANov 3, 1987

Containers for food service

FUKUYAMA PEARL SHIKO KABUSHIKI155 citations97

SUMITOMO ELECTRIC INDUSTRIES

1 patent
US9213150B2Dec 15, 2015

Optical coupling apparatus and optical transceiver installing the same

SUMITOMO ELECTRIC INDUSTRIES52 citations94

DOJO TADASHI

1 patent
US8841054B2Sep 23, 2014

Image-forming method, magnetic toner, and process unit

DOJO TADASHI42 citations93

NANAO CORP

1 patent
US6138191AOct 24, 2000

Apparatus for selectively operating a plurality of computers

NANAO CORP26 citations93

MITSUBISHI CHEM CORP

1 patent
US5468444ANov 21, 1995

Production of oriented thermoplastic films by blown-film extrusion

MITSUBISHI CHEM CORP34 citations92

SANO TOMOHISA

1 patent
US8227162B2Jul 24, 2012

Magnetic toner

SANO TOMOHISA42 citations91

SANKYO CO

1 patent
US4904680AFeb 27, 1990

Amino acid derivatives having anti-tumor activity and compositions containing them

SANKYO CO25 citations91

KOBE STEEL LTD

1 patent
US4656003AApr 7, 1987

Copper alloy and production of the same

KOBE STEEL LTD28 citations89

UNICHARM CORP

1 patent
US11369526B2Jun 28, 2022

Disposable diaper

UNICHARM CORP8 citations86

Showing the top 50 of 193 patents by PatentIndex Score.