| Japy | |||||
| Japy Ets., Paris, Rue de Marignan, France | |||||
| Models and s/n | Y | M | D | Remarks | Ref. |
| Standard manual | |||||
| Model 3X | |||||
| up to 50000 | 1911 | started 1910, the s/n's are confirmed in both listings | 9,13 | ||
| Model 3Y | |||||
| up to 5000 | 1914 | 13 | |||
| 10000 | 1918 | 13 | |||
| 20000 | 1921 | 13 | |||
| 30000 | 1923 | 13 | |||
| 40000 | 1925 | 13 | |||
| 55000 | 1927 | 13 | |||
| 70000 | 1928 | 13 | |||
| 80000 | 1929 | 13 | |||
| Model 9 | |||||
| up to 100000 | 1933 | 13 | |||
| Model 10 | |||||
| up to152000 | 1934 | 9,13 | |||
| 159000 | 1935 | 9,13 | |||
| 161300 | 1936 | 9,13 | |||
| Model 101 | |||||
| up to 200000 | 1934 | 13 | |||
| 200125 | 1935 | 13 | |||
| 200970 | 1936 | 13 | |||
| 203600 | 1937 | 13 | |||
| Model 121 | |||||
| up to 400000 | 1937 | 13 | |||
| 405700 | 1938 | 13 | |||
| 800550 | 1939 | 13 | |||
| 805380 | 1940 | 13 | |||
| 811711 | 1941 | 13 | |||
| 820350 | 1942 | 13 | |||
| 831060 | 1943 | 13 | |||
| 843190 | 1944 | 13 | |||
| 851410 | 1945 | 13 | |||
| 1100000 | 1946 | 13 | |||
| 1106000 | 1947 | 13 | |||
| 1119128 | 1948 | 13 | |||
| Model 212 | |||||
| up to 500000 | 1937 | 13 | |||
| 502540 | 1938 | 13 | |||
| 900492 | 1939 | 13 | |||
| 901900 | 1940 | 13 | |||
| 902840 | 1941 | 13 | |||
| 903540 | 1942 | 13 | |||
| 903699 | 1943 | 13 | |||
| Model 121S | |||||
| 600000-800000 | 1938 | 9,13 | |||
| Model 212S | |||||
| 700000-900000 | 1938 | 9,13 | |||
| Model S.17 | |||||
| up to 2000000 | 1949 | 6,13 | |||
| 2000700 | 1950 | 13 | |||
| 2009900 | 1951 | 13 | |||
| 2025400 | 1952 | 13 | |||
| 2048700 | 1953 | 13 | |||
| Portables | |||||
| Model V | |||||
| up to 17000 | 1931 | 13 | |||
| Model 50 | |||||
| up to 50000 | 1935 | 13 | |||
| 51750 | 1936 | ||||
| Model P6 | |||||
| up to 25000 | 1937 | 13 | |||
| 25934 | 1938 | 13 | |||
| 28275 | 1939 | 13 | |||
| 31915 | 1940 | 13 | |||
| 35450 | 1941 | 13 | |||
| 38190 | 1942 | 13 | |||
| 41840 | 1943 | 13 | |||
| 45260 | 1944 | 13 | |||
| 47760 | 1945 | 13 | |||
| 50870 | 1946 | 13 | |||
| 200000 | 1947 | 13 | |||
| 201240 | 1948 | 13 | |||
| Model P68 | |||||
| up to 100000 | 1949 | 13 | |||
| 108000 | 1950 | 13 | |||
| 125000 | 1951 | 13 | |||
| 152000 | 1952 | 13 | |||
| 167000 | 1953 | 13 | |||
| 181300 | 1954 | ||||
| Personelle | |||||
| 167000 | 1953 | 6 | |||
| 182201 | 1954 | 6 | |||
| 196401 | 1955 | 6 | |||
| 216801 | 1956 | 6 | |||
| 245201 | 1957 | 6 | |||
| 268001 | 1958 | 6 | |||
| 294201 to 320600 | 1959 | 6 |