Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7393089 | Method of refilling an ink cartridge for use in ink jet recorder | Shuichi Yamaguchi, Toshio Ito, Masahide Matsuyama, Yasuhiro Ogura, Masanori Kamijo +3 more | 2008-07-01 |
| 6289654 | Method of manufacturing an ink cartridge for use in ink-jet recorder | Shuichi Yamaguchi, Toshio Ito, Masahide Matsuyama, Yasuhiro Ogura, Masanori Kamijo +3 more | 2001-09-18 |
| 6224199 | Method of manufacturing an ink cartridge for use in ink jet recorder | Shuichi Yamaguchi, Toshio Ito, Masahide Matsuyama, Yasuhiro Ogura, Masanori Kamijo +3 more | 2001-05-01 |
| 5950403 | Method of manufacturing an ink cartridge for use in ink jet recorder | Shuichi Yamaguchi, Toshio Ito, Masahide Matsuyama, Yasuhiro Ogura, Masanori Kamijo +3 more | 1999-09-14 |