Inventor
Masahiro Umemura
Inventor
Hino, JP
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G11Bprimary
G11BInformation storage based on relative movement between record carrier and transducer35%
Y10TTechnical subjects covered by former us classification24%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests18%
B05CApparatus for applying fluent materials to surfaces, in general12%
G01TMeasurement of nuclear or x-radiation6%
G03CPhotosensitive materials for photographic purposes6%
PatentTitleYear
7,208,750'Radiation image reading apparatus'20075,284,716'Magnetic recording medium'19945,186,754'Coater'19935,097,792'Coating apparatus'19925,093,192'Magnetic recording medium'19925,084,335'Magnetic recording medium comprising upper and lower magnetic layers'19925,035,856'Magnetic recording medium'1991Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1991–1994Patents assigned to KONISHIROKU PHOTO IND (6)· patent assignee history
1991–1993Based in Hino, JP· patent location history
1994Based in Tokyo, JP· patent location history
2007Patents assigned to KONICA MINOLTA MED & GRAPHIC (1)· patent assignee history
2007Based in Hachioji, JP· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| KONISHIROKU PHOTO IND | 6 | 1991–1994 |
| KONICA MINOLTA MED & GRAPHIC | 1 | 2007 |
Locations
| Location | Patents | Span |
|---|---|---|
| Hino, JP | 5 | 1991–1993 |
| Hachioji, JP | 1 | 2007 |
| Tokyo, JP | 1 | 1994 |