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| Inventor(s) | KOIZUMI YUTAKA · |
| Assignee(s) |
RICOH KK ·
|
| Application Number | |
| Filing date | -- |
| Issue date | 07/27/1971 |
| U.S. Classifications | -- |
| International Classifications | -- |
| Kind Code | A |
| Foreign Priority | JP4813768 - 06/08/1968 · |
| Document Number | Assignee | Inventors | Issue/Pub Date |
|---|---|---|---|
| US6361227 | Seiko Instruments Inc. | Yuji Hosoi | Mar 2002 |
| Document Number | Assignee | Inventors | Issue/Pub Date |
|---|---|---|---|
| FR2010423 | RICOH KK | Feb 1970 | |
| US3595208 | RICOH KK | KOIZUMI YUTAKA | Jul 1971 |
| GB1267383 | RICOH KK | KOIZUMI YUTAKA | Mar 1972 |