Inventor
Tomoya Ohsugi
Inventor
Kanagawa, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus36%
B41JTypewriters32%
G06KGraphical data reading14%
H04NPictorial communication, e.g. television14%
G03GElectrography5%
PatentTitleYear
9,989,876Image forming apparatus and method for calculating a toner degradation rate20188,199,392'Light-scanning device and image-forming apparatus'20128,169,458'Optical scanning device and image forming apparatus'20128,102,411'Optical scanner and image forming apparatus'20127,817,177'Optical scanning device and image forming apparatus'20107,800,804'Optical scanner and image forming apparatus'20107,782,352'Optical scanning device and image forming apparatus'20107,411,712'Optical scanner and image formation apparatus'20087,295,225'Light source and light beam scanning unit'20076,839,157'Method and apparatus for multi-beam optical scanning capable of effectively adjusting a scanning line pitch'20056,686,946'Density unevenness suppressing image forming apparatus and method'20046,376,837'Optical scanning apparatus and image forming apparatus having defective light source detection'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002–2010Patents assigned to RICOH KK (8)· patent assignee history
2002Based in Warabi, JP· patent location history
2004Based in Saitama-shi, JP· patent location history
2005–2010Based in Tokyo, JP· patent location history
2010–2018Based in Kanagawa, JP· patent location history
2012–2018Patents assigned to OHSUGI TOMOYA (4)· patent assignee history
2012–2018Patents assigned to RICOH CO LTD (4)· patent assignee history
2012Patents assigned to HAYASHI YOSHINORI (2)· patent assignee history
2012Patents assigned to AOKI MAGANE (1)· patent assignee history
2012Based in Sagamihara, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 8 | 2002–2010 |
| OHSUGI TOMOYAself | 4 | 2012–2018 |
| RICOH CO LTD | 4 | 2012–2018 |
| HAYASHI YOSHINORI | 2 | 2012 |
| AOKI MAGANE | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 5 | 2010–2018 |
| Tokyo, JP | 4 | 2005–2010 |
| Sagamihara, JP | 1 | 2012 |
| Saitama-shi, JP | 1 | 2004 |
| Warabi, JP | 1 | 2002 |