| All Patents in class 33/819 |
Patents 31 -
41
of 41
      |
| Number | Date | Patentee | Title | Type |
| 3,686,766 | Aug. 29, 1972 | S. Matumoto | Digital Micrometer | micrometers |
| 3,810,310 | May 14, 1974 | P.A. Morgan | Micrometer Measuring Devices | micrometers |
| 3,924,336 | Dec. 09, 1975 | K. Inoue | Measuring Instrument | measurement gauges |
| 4,062,120 | Dec. 13, 1977 | B.R. Robinson, E.G. Weber, J.M. Lacagnina | Digital Electronic Micrometer | micrometers |
| 4,103,427 | Aug. 01, 1978 | R.E. Ledley, III | Electronic Digital Micrometer | micrometers |
| 4,207,679 | Jun. 17, 1980 | M.L. Poage | Micrometer | micrometers |
| 4,255,861 | Mar. 17, 1981 | H. Suwa, K. Nakata | Electrically Digital Display Micrometer | micrometers |
| 4,561,185 | Dec. 31, 1985 | H. Yamashiro, H. Sakata | Measuring Instrument | measurement gauges |
| 4,578,868 | Apr. 01, 1986 | T. Matsumoto, Y. Yamaguchi, Y. Arai, K. Sasaki | Digital Display Measuring Apparatus | measurement gauges |
| 5,495,677 | Mar. 05, 1996 | M. Suzuki, M. Tachikake | Digital Display Micrometer Gauge | micrometers |
| 6,308,433 | Oct. 30, 2001 | M. Tachikake, K. Sasak, S. Hayashida, T. Otsuka, T. Nakadoi, S. Takahashi | Micrometer that Holds Displayed Displacement when Retraction Amount is Less than a Set Amount | micrometers |
