Inventor
Keiichi Yamana
Inventor
Kanagawa, JP
Overview
Patents· 12 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Gprimary
G03GElectrography39%
G06KGraphical data reading17%
G11BInformation storage based on relative movement between record carrier and transducer13%
H04NPictorial communication, e.g. television13%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them9%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%
PatentTitleYear
6,067,109'Image reading method'20005,475,493'Gray balance correcting method'19954,962,432'Selective retrieval of data from microfilm images of different forms by reading a memory index form cord (bar code) recorded on each image frame'19904,952,980'Liquid processing head for an electrophotographic apparatus'19904,937,683'Image recording apparatus'19904,889,296'Apparatus for grounding cassette'19894,873,545'Method of developing image on electrophotographic film'19894,834,315'Apparatus for grounding cassette'19894,760,428'Image data recording medium and apparatus for determining tape position of the same'19884,736,224'Method of and apparatus for determining frame position'19884,671,648'Image data processing apparatus'19874,619,513'Electrophotographic system'1986Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1986–2000Patents assigned to FUJI PHOTO FILM CO LTD (12)· patent assignee history
1986–2000Based in Kanagawa, JP· patent location history
1989Based in Ashigarakami-gun, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| FUJI PHOTO FILM CO LTD | 12 | 1986–2000 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kanagawa, JP | 11 | 1986–2000 |
| Ashigarakami-gun, JP | 1 | 1989 |