Issued Patents 2019
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10180392 | Plasma processing detection indicator using inorganic substance as a color-change layer | Yu Yamakawa, Keita Hishikawa, Masayuki Nishi, Masahiro Shimizu | 2019-01-15 |
| 10180413 | Ink composition for plasma processing detection, and indicator for plasma processing detection using said ink composition | Keita Hishikawa | 2019-01-15 |
| 10181414 | Indicator used in electronic device manufacturing apparatus and method for designing and/or managing the apparatus | Seisaku Oshiro | 2019-01-15 |