P

Inventor

KOIDE HIROSHI

JP78 patents
⚠️ This page may combine multiple inventors who share the name “KOIDE HIROSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

RICOH KK

33 patents
US6545958B1Apr 8, 2003

Optical-pickup device and tilt-detecting method thereof

RICOH KK87 citations98
US6487149B1Nov 26, 2002

Optical recording and reproducing methods for optical disk

RICOH KK88 citations98
US5638354AJun 10, 1997

Optical information recording medium

RICOH KK50 citations96
US7734208B2Jun 8, 2010

Image fixing apparatus and image forming apparatus capable of effectively controlling an image fixing temperature

RICOH KK28 citations93
US7693439B2Apr 6, 2010

Fixing device, and method and device for heating control used in the same

RICOH KK29 citations93
US7587157B2Sep 8, 2009

Image forming apparatus capable of correcting a rotation speed of an image carrier

RICOH KK30 citations93
US7343119B2Mar 11, 2008

Belt drive control method, belt-drive control device, and image forming apparatus

RICOH KK30 citations93
US6996357B2Feb 7, 2006

Belt drive control device and image forming apparatus including the same

RICOH KK17 citations93
US6941096B2Sep 6, 2005

Belt drive control device and image forming apparatus including the same

RICOH KK39 citations93
US6868244B2Mar 15, 2005

Image forming apparatus with reduced variation of rotation speed of image carrier

RICOH KK27 citations93
US6771919B2Aug 3, 2004

Image forming apparatus with reduced variation of rotation speed of image carrier

RICOH KK46 citations93
US6507713B2Jan 14, 2003

Image-formation apparatus, controlling method thereof and image-formation method

RICOH KK32 citations93
US6448997B1Sep 10, 2002

Laser beam scanning system and method using a photonic crystal

RICOH KK31 citations93
US6445656B1Sep 3, 2002

Optical recording/reproducing method and apparatus for optical storage media

RICOH KK29 citations93
US5822286AOct 13, 1998

Optical disk unit, control method thereof, optical information recording medium and recording-regenerating method using this optical information recording medium

RICOH KK21 citations93
US5812520ASep 22, 1998

Optical disk unit, control method thereof, optical information recording medium and recording-regenerating method using this optical information recording medium

RICOH KK26 citations93
US6343053B1Jan 29, 2002

Objective lens driving apparatus for driving an objective lens of an optical disk drive

RICOH KK36 citations92
US5073888ADec 17, 1991

Optical pickup device

RICOH KK25 citations92
US7684740B2Mar 23, 2010

Belt driving controller, belt rotating device, and image forming apparatus

RICOH KK9 citations84
US7579795B2Aug 25, 2009

Brushless-motor driving control device, image reading apparatus, and image forming apparatus

RICOH KK15 citations84
US7427727B2Sep 23, 2008

Fixing apparatus and an image formation apparatus

RICOH KK10 citations84
US7327972B2Feb 5, 2008

Belt driving control apparatus, belt apparatus and image forming apparatus

RICOH KK17 citations84
US4620301AOct 28, 1986

Recording disk drive unit

RICOH KK23 citations82
US4583212AApr 15, 1986

Record/playback head positioning device for optical disc apparatus

RICOH KK20 citations82
US7016635B2Mar 21, 2006

Image-formation apparatus, controlling method thereof and image-formation method

RICOH KK9 citations74
US6931227B2Aug 16, 2005

Image-formation apparatus, controlling method thereof and image-formation method

RICOH KK11 citations74
US6914619B2Jul 5, 2005

Device for driving an endless belt and image forming apparatus using the same

RICOH KK8 citations74
US6889030B2May 3, 2005

Image forming apparatus with an intermediate image transfer body and provisions for correcting image transfer distortions

RICOH KK8 citations74
US6760559B2Jul 6, 2004

Image-formation apparatus, controlling method thereof and image-formation method

RICOH KK10 citations74
US6754162B2Jun 22, 2004

Optical pickup method, optical pickup device, and optical information processing apparatus adapted with spherical aberration correction for sub-spot tracking control

RICOH KK11 citations74
US6738328B2May 18, 2004

Optical recording/reproducing method and apparatus for optical storage media

RICOH KK5 citations74
US6735157B2May 11, 2004

Optical-pickup device and tilt-detecting method thereof

RICOH KK11 citations74
US6704273B1Mar 9, 2004

Data-writable optical disk

RICOH KK11 citations74

ORACLE INT CORP

5 patents

KOIDE HIROSHI

2 patents

TOYOTA MOTOR CO LTD

2 patents

RICOH CO LTD

2 patents

NIKON CORP

1 patent

KRISHNAPRASAD MURALIDHAR

1 patent

NIPPON SOKEN

1 patent

SHARP KK

1 patent

NIPPON DENSO CO

1 patent

CITIZEN WATCH CO LTD

1 patent

Showing the top 50 of 78 patents by PatentIndex Score.