Inventor

SONOHARA YOSHIHIRO

JP16 patents

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

RICOH CO LTD

4 patents

US8027627B2Sep 27, 2011

Fixing device and image forming apparatus with improved mechanism for stably applying oil for fixing

RICOH CO LTD7 citations83

US7945198B2May 17, 2011

Fixing device and image forming apparatus comprising same

RICOH CO LTD3 citations63

US8023850B2Sep 20, 2011

Image forming apparatus capable of stably applying oil for fixing

RICOH CO LTD5 citations61

US8346143B2Jan 1, 2013

Fixing device and image forming apparatus capable of effectively circulating and applying oil for fixing

RICOH CO LTD0 citations51

OKAMOTO MASAMI

3 patents

US8112022B2Feb 7, 2012

Fixing device, image forming apparatus, and image fixing method capable of stably applying oil for fixing without adhering oil to sheet

OKAMOTO MASAMI6 citations71

US8224220B2Jul 17, 2012

Fixing device and image forming apparatus capable of adjusting amount of oil applied for fixing

OKAMOTO MASAMI0 citations50

US8699904B2Apr 15, 2014

Fixing device and image forming apparatus capable of suppressing variation image density

OKAMOTO MASAMI0 citations40

TERAO MASAKAZU

2 patents

US8923713B2Dec 30, 2014

Image forming apparatus, image forming method, and image forming program

TERAO MASAKAZU15 citations82

US8761628B2Jun 24, 2014

Image forming apparatus, image forming method, and image forming program

TERAO MASAKAZU0 citations39

KASAI TADASHI

2 patents

US9152104B2Oct 6, 2015

Image forming apparatus and method capable of improving fixing quality

KASAI TADASHI4 citations72

US9014580B2Apr 21, 2015

Image forming apparatus and method capable of improving fixing quality

KASAI TADASHI2 citations61

KOBAYASHI SHINYA

2 patents

US8655206B2Feb 18, 2014

Image forming apparatus and image forming method

KOBAYASHI SHINYA4 citations71

US8520261B2Aug 27, 2013

Controller and halftone dot signal generating method capable of controlling glossiness of image

KOBAYASHI SHINYA1 citations49

RICOH KK

1 patent

US7548718B2Jun 16, 2009

Fixing device for fixing an unfixed toner image on a recording medium and image forming apparatus including the fixing device

RICOH KK9 citations84

SONOHARA YOSHIHIRO

1 patent

US8565633B2Oct 22, 2013

Image forming system, and image forming method

SONOHARA YOSHIHIRO6 citations67

SAKURAI YOICHI

1 patent

US8918045B2Dec 23, 2014

Image glossing apparatus, image glossing method, and recording medium storing image glossing program

SAKURAI YOICHI2 citations56