Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10886103 | Data processing method, data processing apparatus, and multiple charged-particle beam writing apparatus | Kei Hasegawa, Hayato Kimura | 2021-01-05 |
| 10475621 | Drawing device and drawing method | Kei Hasegawa, Hayato Kimura, Hideo Inoue | 2019-11-12 |
| 9953800 | Multi-charged particle beam writing apparatus and multi-charged particle beam writing method | Kei Hasegawa, Hayato Kimura, Hideo Inoue | 2018-04-24 |
| 7476881 | Charged beam drawing apparatus and charged beam drawing method | Kiyoshi Hattori, Kenji Ohtoshi, Tomohiro Iijima, Hayato Kimura, Tateki Watanabe | 2009-01-13 |