Inventor
Hitoshi Kageyama
Inventor
Kawasaki, JP
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G02Bprimary
G02BOptical elements, systems or apparatus40%
H04NPictorial communication, e.g. television27%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them13%
B41JTypewriters7%
G06FElectric digital data processing7%
H04LTransmission of digital information, e.g. telegraphic communication7%
PatentTitleYear
8,819,537'Information generation device, information generation method, information generation program, and recording medium'20145,561,743'Digital method image forming apparatus and image forming method thereof'19965,499,045'Image forming apparatus with optical element support structure'19965,450,211'Image forming apparatus and method for maintaining set magnification not withstanding changes in optical system due to temperature change'19955,335,095'Image forming apparatus capable of editing color image'19945,179,462'Laser beam composite apparatus'19935,075,720'Slit illumination system for copying machine and the like'19915,035,485'Interference filter with sharp cutoff characteristics'19914,880,292'Transmission viewing screen of image projector apparatus'19894,865,405'Optical filter'1989Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1989–1996Patents assigned to MINOLTA CAMERA KK (8)· patent assignee history
1989–1994Based in Osaka, JP· patent location history
1991Based in Okazaki, JP· patent location history
1991Based in Azuchi, JP· patent location history
1993–1996Based in Kawasaki, JP· patent location history
1996Patents assigned to MINOLTA CO LTD (1)· patent assignee history
2014Patents assigned to KAGEYAMA HITOSHI (1)· patent assignee history
2014Patents assigned to RAKUTEN INC (1)· patent assignee history
2014Based in Shinagawa-ku, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINOLTA CAMERA KK | 8 | 1989–1996 |
| KAGEYAMA HITOSHIself | 1 | 2014 |
| MINOLTA CO LTD | 1 | 1996 |
| RAKUTEN INC | 1 | 2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kawasaki, JP | 4 | 1993–1996 |
| Osaka, JP | 3 | 1989–1994 |
| Shinagawa-ku, JP | 1 | 2014 |
| Okazaki, JP | 1 | 1991 |
| Azuchi, JP | 1 | 1991 |