P

Inventor

MATSUMOTO HIDEKI

JP116 patents
⚠️ This page may combine multiple inventors who share the name “MATSUMOTO HIDEKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

CANON KK

22 patents
US6343193B1Jan 29, 2002

Process cartridge and image forming apparatus including a developer remaining amount detecting member

CANON KK58 citations96
US7095967B2Aug 22, 2006

Image developing apparatus, process cartridge, electrophotographic image forming apparatus, and developing unit frame

CANON KK21 citations93
US6859627B2Feb 22, 2005

Image developing apparatus, process cartridge, electrophotographic image forming apparatus, and developing unit frame

CANON KK19 citations93
US6512895B2Jan 28, 2003

Process cartridge and electrophotographic image forming system

CANON KK39 citations93
US6463225B1Oct 8, 2002

Developing apparatus, process cartridge, feeding member and an elastic sheet

CANON KK48 citations93
US6397018B1May 28, 2002

Developer amount detecting method, developing device, process cartridge and electrophotographic image forming apparatus

CANON KK29 citations93
US6397017B1May 28, 2002

Developer amount detecting method, developing device, process cartridge and electrophotographic image forming apparatus

CANON KK26 citations93
US6330402B1Dec 11, 2001

Developer amount indicating method, electrophotographic image forming apparatus and process cartridge

CANON KK33 citations93
US6591070B1Jul 8, 2003

Image forming apparatus and cartridge detachably mountable to same

CANON KK32 citations92
US6463223B1Oct 8, 2002

Electrophotographic image forming apparatus, process cartridge developing device, developer supply container and measuring part therefor

CANON KK45 citations92
US6253036B1Jun 26, 2001

Electrophotographic image forming apparatus, process cartridge, developing device and measuring part

CANON KK42 citations92
US6058284AMay 2, 2000

Developing apparatus

CANON KK20 citations92
US6892035B2May 10, 2005

Developing device, a process cartridge, and an electrophotographic image forming apparatus for detecting an amount of developer

CANON KK19 citations84
US6668141B2Dec 23, 2003

Image forming apparatus, cartridge, image forming system, and a memory device for determining the amount of developer in a developer containing portion

CANON KK13 citations84
US6661980B2Dec 9, 2003

Image forming apparatus and image forming system

CANON KK18 citations84
US6408143B2Jun 18, 2002

Electrophotographic image forming apparatus

CANON KK18 citations84
US6226464B1May 1, 2001

Developer apparatus featuring a developer container partition portion disposed between a detecting member and an agitating member

CANON KK15 citations84
US6801724B2Oct 5, 2004

Image forming apparatus

CANON KK9 citations74
US6785479B2Aug 31, 2004

Image forming apparatus having a control section for detecting an amount of developer and an amount detection method of developer of image forming apparatus

CANON KK12 citations74
US6370348B1Apr 9, 2002

Developing apparatus including intermittent developer agitating feature, and image forming apparatus using same

CANON KK8 citations74
US6289197B1Sep 11, 2001

Developer feeding member wherein its free end has a smaller elastic flexural characteristic relative to its supporting end and developing device having the same

CANON KK8 citations74
US9885963B2Feb 6, 2018

Exposure apparatus and device manufacturing method

CANON KK2 citations73

SONY CORP

7 patents

HONDA MOTOR CO LTD

7 patents

TORAY INDUSTRIES

3 patents

FUJI XEROX CO LTD

2 patents

MATSUMOTO HIDEKI

2 patents

BANDO CHEMICAL IND

1 patent

MITA INDUSTRIAL CO LTD

1 patent

AJINOMOTO KK

1 patent

TOSHIBA KK

1 patent

PANASONIC CORP

1 patent

(unassigned)

1 patent

MATSUSHITA ELECTRIC INDUSTRIAL CO LTD

1 patent

Showing the top 50 of 116 patents by PatentIndex Score.