Inventor
Takeshi Ukegawa
Inventor
Hadano, JP
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H04Nprimary
H04NPictorial communication, e.g. television50%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%
H04BTransmission10%
H04LTransmission of digital information, e.g. telegraphic communication10%
H04MTelephonic communication10%
PatentTitleYear
6,128,419'Image processing apparatus having scanner and method for sharing the scanner with an optical mark reader'20005,305,376'Facsimile machine with voice answer unit'19945,150,400'Method of controlling a data terminal equipment for equalizing a transmission line characteristic and data terminal equipment using the same'19925,077,742'Error-corrected facsimile communication control system'19914,926,463'Data communication apparatus having a reprogrammable voice memory'1990Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1990–2000Patents assigned to RICOH KK (5)· patent assignee history
1990–2000Based in Hadano, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| RICOH KK | 5 | 1990–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hadano, JP | 5 | 1990–2000 |