Inventor
Hiroyuki Shibaki
Inventor
Tokyo, JP
Overview
Patents· 20 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television52%
G06TImage data processing or generation, in general21%
G03GElectrography14%
G06VImage or video recognition or understanding7%
B65HHandling thin or filamentary material, e.g. sheets, webs, cables3%
G06KGraphical data reading3%
PatentTitleYear
8,223,401'Image processing apparatus, image processing system, and image processing method'20128,040,557'Image processing apparatus and image processing method'20118,040,565'Image processing device, image forming apparatus including same, image processing method, and image processing program'20117,535,595'Image processing apparatus and method, and computer program product'20097,433,082'Method of, apparatus for, and computer program for image processing'20087,423,781'Image processor and image processing method for image enhancement using edge detection'20087,355,755'Image processing apparatus and method for accurately detecting character edges'20087,356,160'Method of and apparatus for image processing'20087,327,874'Method of and apparatus for image processing apparatus, and computer product'20087,221,799'Image processing based on degree of white-background likeliness'20077,170,642'Image processing apparatus and method for improving output image quality'20077,088,472'Method, system, and apparatus for image forming and processing capable of appropriately adjusting input and output properties'20066,987,886'Image processing based on degree of white-background likeliness'20066,731,817'Apparatus and method for forming an image by processing input image data while suppressing banding and dropout'20046,556,707'Method and apparatus for image processing for performing a color conversion'20035,960,246'Image forming apparatus with powder pump'19995,797,074'Image forming system'19985,708,949'Image fixing device for image forming apparatus'19985,482,265'Sheet feeder for an image forming apparatus'19965,464,200'Sheet storing device with locking bins'1995Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1995–2009Patents assigned to RICOH KK (17)· patent assignee history
1995–1996Based in Yokohama, JP· patent location history
1998–2006Based in Kawasaki, JP· patent location history
2004–2012Based in Tokyo, JP· patent location history
2011–2012Patents assigned to RICOH CO LTD (3)· patent assignee history
2012Patents assigned to MATSUSHIMA YUKI (1)· patent assignee history
2012Patents assigned to MIYAGI NORIKO (1)· patent assignee history
2012Patents assigned to OUCHI SATOSHI (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 17 | 1995–2009 |
| RICOH CO LTD | 3 | 2011–2012 |
| MATSUSHIMA YUKI | 1 | 2012 |
| MIYAGI NORIKO | 1 | 2012 |
| OUCHI SATOSHI | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tokyo, JP | 13 | 2004–2012 |
| Kawasaki, JP | 5 | 1998–2006 |
| Yokohama, JP | 2 | 1995–1996 |