Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6294860 | Thin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film element | Masato Shimada, Hiroyuki Kamei, Hong Qiu | 2001-09-25 |
| 6260960 | Ink jet print head formed through anisotropic wet and dry etching | Tsutomu Hashizume | 2001-07-17 |
| 6140746 | Piezoelectric thin film, method for producing the same, and ink jet recording head using the thin film | Satoru Miyashita, Masakazu Shinozuka, Kouji Sumi, Masami Murai | 2000-10-31 |
| 6126279 | Ink jet printing head for improving resolution and decreasing crosstalk | Masato Shimada, Tsutomu Nishiwaki, Tsutomu Hashizume | 2000-10-03 |
| 6097133 | Thin piezoelectric film element, process for the preparation thereof and ink jet recording head using thin piezoelectric film element | Masato Shimada, Hiroyuki Kamei, Hong Qiu | 2000-08-01 |
| 6089701 | Ink jet recording head having reduced stress concentration near the boundaries of pressure generating chambers | Tsutomu Hashizume, Akira Matsuzawa | 2000-07-18 |
| 6019458 | Ink-jet printing head for improving resolution and decreasing crosstalk | Masato Shimada, Tsutomu Nishiwaki, Tsutomu Hashizume | 2000-02-01 |
| 5984459 | Ink-jet printing head and ink-jet printing apparatus using same | Yoshinao Miyata, Shiro Yazaki | 1999-11-16 |
| 5489967 | Method and apparatus for printing images on a stack of recording sheets using pressure | Yusuke Sakagami, Kunihiro Inoue, Tadashi Shimizu, Tadaaki Hagata, Kazuhiko Sato | 1996-02-06 |