Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7044579 | Maintenance method and maintenance apparatus for ink jet head | — | 2006-05-16 |
| 5649346 | Manufacturing method for ink jet printer head | Toshio Miyazawa, Toshihilo Tsukamoto | 1997-07-22 |
| 5590451 | Manufacturing method for ink jet printer head | Toshio Miyazawa, Toshihiro Tsukamoto | 1997-01-07 |
| 4988631 | Method of making a photoelectric conversion device | Minoru Ogawa, Koichiro Sakamoto, Toshiyuki Tamura | 1991-01-29 |
| 4979007 | Photoelectric conversion device | Minoru Ogawa, Koichiro Sakamoto, Toshiyuki Tamura | 1990-12-18 |
| 4827146 | Photoelectric conversion element image sensor with combined field effect transistor having compact size | Minoru Ogawa, Koichiro Sakamoto, Toshiyuki Tamura | 1989-05-02 |