Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12312569 | Kit for cleaning agent and method for preparing cleaning agent | Takahiro Yokomizo, Yoshihisa Tsurumi, Tsutomu Watahiki, Takayuki Kajikawa, Kohei Hayashi +1 more | 2025-05-27 |
| 8871653 | Etching agent, etching method and liquid for preparing etching agent | Osamu Matsuda, Nobuyuki Kikuchi, Ichiro Hayashida | 2014-10-28 |
| 8513139 | Etching agent, etching method and liquid for preparing etching agent | Osamu Matsuda, Nobuyuki Kikuchi, Ichiro Hayashida | 2013-08-20 |