Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10166779 | Method for manufacturing liquid-discharge-head substrate | Shiro Sujaku, Keiji Watanabe, Kouji Hasegawa, Satoshi Ibe | 2019-01-01 |
| 9610773 | Method for producing liquid-ejection-head substrate and liquid-ejection-head substrate produced by the same | Satoshi Ibe, Keiji Watanabe, Shiro Sujaku, Kouji Hasegawa | 2017-04-04 |
| 9108406 | Device substrate, liquid ejection head, and method for manufacturing device substrate and liquid ejection head | Kouji Hasegawa, Satoshi Ibe, Jun Yamamuro, Shuhei Oya, Shiro Sujaku | 2015-08-18 |
| 9085141 | Liquid ejection head and printing apparatus | Shuhei Oya, Satoshi Ibe, Jun Yamamuro, Kouji Hasegawa, Shiro Sujaku | 2015-07-21 |