Issued Patents All Time
Showing 1–16 of 16 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9821397 | Solder precoating method and workpiece for electronic equipment | Kaichi Tsuruta | 2017-11-21 |
| 8701973 | Solder bump formation on a circuit board using a transfer sheet | Kaichi Tsuruta, Takeo Saitou | 2014-04-22 |
| 7112888 | Solder ball assembly for bump formation and method for its manufacture | Kaichi Tsuruta | 2006-09-26 |
| 6919634 | Solder ball assembly, a method for its manufacture, and a method of forming solder bumps | Kaichi Tsuruta | 2005-07-19 |
| 6476487 | Solder circuit | Masataka Watabe, Satoshi Noda, Takashi Shoji, Takekazu Sakai | 2002-11-05 |
| 5928440 | Method of forming solder film | Masataka Watabe, Satoshi Noda, Takashi Shoji, Takekazu Sakai | 1999-07-27 |
| 5750271 | Method of forming solder film | Masataka Watabe, Satoshi Noda, Takashi Shoji, Takekazu Sakai | 1998-05-12 |
| 5713997 | Solution for selectively imparting tackiness to a metallic surface | Masataka Watabe, Satoshi Noda, Takashi Shoji, Takekazu Sakai | 1998-02-03 |
| 5556023 | Method of forming solder film | Masataka Watabe, Satoshi Noda, Takashi Shoji, Takekazu Sakai | 1996-09-17 |
| 4478885 | Surface treating agent | — | 1984-10-23 |
| D271948 | Ampere-volt-wattmeter or the like | — | 1983-12-27 |
| D264448 | Portable volt-ohm-ammeter or the like | — | 1982-05-18 |
| D264057 | Volt-ohm-ammeter or the like | — | 1982-04-27 |
| 4316142 | Clamp type ammeter | — | 1982-02-16 |
| D261627 | Volt-ohm-ammeter or the like | — | 1981-11-03 |
| D256896 | Volt-ohm-ammeter or the like | — | 1980-09-16 |