Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10620527 | Mask blank substrate, substrate with multilayer reflection film, transmissive mask blank, reflective mask blank, transmissive mask, reflective mask, and semiconductor device fabrication method | Kazuhiro Hamamoto, Toshihiko Orihara, Hirofumi Kozakai, Tsutomu Shoki, Junichi Horikawa | 2020-04-14 |
| 10429728 | Mask blank substrate, substrate with multilayer reflection film, transmissive mask blank, reflective mask blank, transmissive mask, reflective mask, and semiconductor device fabrication method | Kazuhiro Hamamoto, Toshihiko Orihara, Hirofumi Kozakai, Tsutomu Shoki, Junichi Horikawa | 2019-10-01 |
| 10295900 | Mask blank substrate, substrate with multilayer reflection film, transmissive mask blank, reflective mask, and semiconductor device fabrication method | Toshihiko Orihara, Kazuhiro Hamamoto, Hirofumi Kozakai, Tsutomu Shoki, Junichi Horikawa | 2019-05-21 |
| 10001699 | Mask blank substrate, substrate with multilayer reflection film, transmissive mask blank, reflective mask, and semiconductor device fabrication method | Toshihiko Orihara, Kazuhiro Hamamoto, Hirofumi Kozakai, Tsutomu Shoki, Junichi Horikawa | 2018-06-19 |
| 9897909 | Mask blank substrate, substrate with multilayer reflection film, transmissive mask blank, reflective mask blank, transmissive mask, reflective mask, and semiconductor device fabrication method | Kazuhiro Hamamoto, Toshihiko Orihara, Hirofumi Kozakai, Tsutomu Shoki, Junichi Horikawa | 2018-02-20 |
| 9494851 | Mask blank substrate, substrate with multilayer reflection film, transmissive mask blank, reflective mask, and semiconductor device fabrication method | Toshihiko Orihara, Kazuhiro Hamamoto, Hirofumi Kozakai, Tsutomu Shoki, Junichi Horikawa | 2016-11-15 |
| 9348217 | Mask blank substrate, substrate with multilayer reflection film, transmissive mask blank, reflective mask blank, transmissive mask, reflective mask, and semiconductor device fabrication method | Kazuhiro Hamamoto, Toshihiko Orihara, Hirofumi Kozakai, Tsutomu Shoki, Junichi Horikawa | 2016-05-24 |