| Document Description | Coverage of Documents | |||
|---|---|---|---|---|
| A: | Published patent application | 1971-000001 | - | 2010-193716 |
| B: | Examined patent application publication | 1922-000001 | - | 1996-034772 |
| B: | Patent | 2500001 | - | 4537700 |
| C: | Patent specification | 1 | - | 216017 |
| A: | Japanese translation of PCT international application | 1979-500001 | - | 2010-530212 |
| U: | Registered utility model | 3000001 | - | 3162514 |
| U: | Published utility model application | 1971-000001 | - | 2006-000001 |
| U1: | Unexamined utility model specification | 1971-000001 | - | 1992-138600 |
| Y: | Examined utility model application publication | 1922-000001 | - | 1996-011090 |
| Y: | Examined utility model registration | 2500001 | - | 2607899 |
| Z: | Examined utility model specification | 1 | - | 406203 |
| U: | Japanese translation of PCT international application(utility model) | 1979-500001 | - | 1998-500001 |
| H: | Corrected patent specification | 72 | - | 814 |
| I: | Corrected utility model specification | 32 | - | 330 |
| A1: | Domestic re-publication of PCT international application | 79/000329 | - | 2009/008250 |
| N1: | Journal of technical disclosure | 87/003986 | - | 10/503213 |