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Japanese Patent Application FAQs
Publication
1. How can I obtain patent publications?
You can obtain a copy of the publication from the JPO’s URL, Patent & Utility Model Gazette DB at
http://www4.ipdl.inpit.go.jp/Tokujitu/tjsogodben.ipdl?N0000=115
(1) For a patent:
Enter “B” in the Kind Code box, and enter the publication No. in the Number box. The publication No. should be HXX-XXXXXX or 200X-XXXXXX. Then, click the “Search” button at the bottom left. Further, click the blue underlined number, JP, 0X-XXXXXX,B(YYYY), and you will find the data.
(2) For a patent application:
Enter “A” in the Kind Code box, and enter the publication No. in the Number box. The publication No. should be HXX-XXXXXX or 200X-XXXXXX. Then, click the “Search” button at the bottom left. Further, click the blue underlined number, JP,0X-XXXXXX,A(YYYY), and you will find the data.
The JPO started to provide electronic data for applications filed on or after January 1990 (H02).
To convert the year of the reign of an Emperor, please refer to the following conversion chart.
Conversion between the year of the reign of an Emperor and the Gregorian calendar year
Meiji |
Taisho |
Showa |
Heisei |
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| Meiji 1 | 1868. Sep.8 ～ | Taisho 1 | 1912. Jul.30 ～ | Showa 1 | 1926. Dec.25 ～ | Heisei 1 | 1989. Jan.8 ～ |
| Meiji 2 | 1869 | Taisho 2 | 1913 | Showa 2 | 1927 | Heisei 2 | 1990 |
| Meiji 3 | 1870 | Taisho 3 | 1914 | Showa 3 | 1928 | Heisei 3 | 1991 |
| Meiji 4 | 1871 | Taisho 4 | 1915 | Showa 4 | 1929 | Heisei 4 | 1992 |
| Meiji 5 | 1872 | Taisho 5 | 1916 | Showa 5 | 1930 | Heisei 5 | 1993 |
| Meiji 6 | 1873 | Taisho 6 | 1917 | Showa 6 | 1931 | Heisei 6 | 1994 |
| Meiji 7 | 1874 | Taisho 7 | 1918 | Showa 7 | 1932 | Heisei 7 | 1995 |
| Meiji 8 | 1875 | Taisho 8 | 1919 | Showa 8 | 1933 | Heisei 8 | 1996 |
| Meiji 9 | 1876 | Taisho 9 | 1920 | Showa 9 | 1934 | Heisei 9 | 1997 |
| Meiji 10 | 1877 | Taisho 10 | 1921 | Showa 10 | 1935 | Heisei 10 | 1998 |
| Meiji 11 | 1878 | Taisho 11 | 1922 | Showa 11 | 1936 | Heisei 11 | 1999 |
| Meiji 12 | 1879 | Taisho 12 | 1923 | Showa 12 | 1937 | Heisei 12 | 2000 |
| Meiji 13 | 1880 | Taisho 13 | 1924 | Showa 13 | 1938 | Heisei 13 | 2001 |
| Meiji 14 | 1881 | Taisho 14 | 1925 | Showa 14 | 1939 | Heisei 14 | 2002 |
| Meiji 15 | 1882 | Taisho 15 | 1926 ～Dec.25 | Showa 15 | 1940 | Heisei 15 | 2003 |
| Meiji 16 | 1883 | Showa 16 | 1941 | Heisei 16 | 2004 | ||
| Meiji 17 | 1884 | Showa 17 | 1942 | Heisei 17 | 2005 | ||
| Meiji 18 | 1885 | Showa 18 | 1943 | Heisei 18 | 2006 | ||
| Meiji 19 | 1886 | Showa 19 | 1944 | Heisei 19 | 2007 | ||
| Meiji 20 | 1887 | Showa 20 | 1945 | Heisei 20 | 2008 | ||
| Meiji 21 | 1888 | Showa 21 | 1946 | Heisei 21 | 2009 | ||
| Meiji 22 | 1889 | Showa 22 | 1947 | Heisei 22 | 2010 | ||
| Meiji 23 | 1890 | Showa 23 | 1948 | Heisei 23 | 2011 | ||
| Meiji 24 | 1891 | Showa 24 | 1949 | Heisei 24 | 2012 | ||
| Meiji 25 | 1892 | Showa 25 | 1950 | Heisei 25 | 2013 | ||
| Meiji 26 | 1893 | Showa 26 | 1951 | Heisei 26 | 2014 | ||
| Meiji 27 | 1894 | Showa 27 | 1952 | Heisei 27 | 2015 | ||
| Meiji 28 | 1895 | Showa 28 | 1953 | Heisei 28 | 2016 | ||
| Meiji 29 | 1896 | Showa 29 | 1954 | Heisei 29 | 2017 | ||
| Meiji 30 | 1897 | Showa 30 | 1955 | Heisei 30 | 2018 | ||
| Meiji 31 | 1898 | Showa 31 | 1956 | ||||
| Meiji 32 | 1899 | Showa 32 | 1957 | ||||
| Meiji 33 | 1900 | Showa 33 | 1958 | ||||
| Meiji 34 | 1901 | Showa 34 | 1959 | ||||
| Meiji 35 | 1902 | Showa 35 | 1960 | ||||
| Meiji 36 | 1903 | Showa 36 | 1961 | ||||
| Meiji 37 | 1904 | Showa 37 | 1962 | ||||
| Meiji 38 | 1905 | Showa 38 | 1963 | ||||
| Meiji 39 | 1906 | Showa 39 | 1964 | ||||
| Meiji 40 | 1907 | Showa 40 | 1965 | ||||
| Meiji 41 | 1908 | Showa 41 | 1966 | ||||
| Meiji 42 | 1909 | Showa 42 | 1967 | ||||
| Meiji 43 | 1910 | Showa 43 | 1968 | ||||
| Meiji 44 | 1911 | Showa 44 | 1969 | ||||
| Meiji 45 | 1912 ～Jul.30 | Showa 45 | 1970 | ||||
| Showa 46 | 1971 | ||||||
| Showa 47 | 1972 | ||||||
| Showa 48 | 1973 | ||||||
| Showa 49 | 1974 | ||||||
| Showa 50 | 1975 | ||||||
| Showa 51 | 1976 | ||||||
| Showa 52 | 1977 | ||||||
| Showa 53 | 1978 | ||||||
| Showa 54 | 1979 | ||||||
| Showa 55 | 1980 | ||||||
| Showa 56 | 1981 | ||||||
| Showa 57 | 1982 | ||||||
| Showa 58 | 1983 | ||||||
| Showa 59 | 1984 | ||||||
| Showa 60 | 1985 | ||||||
| Showa 61 | 1986 | ||||||
| Showa 62 | 1987 | ||||||
| Showa 63 | 1988 | ||||||
| Showa 64 | 1989 ～Jan.7 | ||||||