Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11491507 | Sealant discharge nozzle and sealant discharge apparatus | Masayoshi Okamoto, Tadamichi Mawatari, Masayoshi ZAITSU, Naohiro Otsuki, Junji Tsuchiya +1 more | 2022-11-08 |
| 8221942 | Pattern correction method, exposure mask, manufacturing method of exposure mask, and manufacturing method of semiconductor device | Mikio Oka, Kaoru Koike, Hidetoshi Ohnuma | 2012-07-17 |