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| Patents for Olympus Optical Co., Ltd. | |||||
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| Number | Date | Patentee | Title | Type | |
| 3,602,998 | Sep. 07, 1971 | S. Matsumoto, K. Imai | Micrometer Head | micrometers | |
| 3,686,766 | Aug. 29, 1972 | S. Matumoto | Digital Micrometer | micrometers | |