Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5637126 | Ink jet printing head | Yasushi Ema, Nobuhisa Ishida, Toshio Amano, Akihiro Shimokata, Shinsaku Takada | 1997-06-10 |
| 5627575 | Ink jet print head and ink jet printer | Nobuhisa Ishida | 1997-05-06 |