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| Patents for Kabushiki Kaisha Mitutoyo Seisakusho | |||||
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| Number | Date | Patentee | Title | Type | |
| 4,168,575 | Sep. 25, 1979 | M. Yamauchi, I. Sugizaki | Constant Pressure Measuring Micrometer | micrometers | |
| 4,255,861 | Mar. 17, 1981 | H. Suwa, K. Nakata | Electrically Digital Display Micrometer | micrometers | |