Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11851364 | Synthetic quartz glass substrate and making method | Junichiro Nishida, Hisashi Yagi, Masaki Takeuchi | 2023-12-26 |
| 10611676 | Method for preparing synthetic quartz glass substrate | Daijitsu Harada, Hisashi Yagi, Masaki Takeuchi | 2020-04-07 |
| 10558116 | Method for preparing synthetic quartz glass substrate | Hisashi Yagi, Daijitsu Harada, Masaki Takeuchi, Kazuhiko Aoki | 2020-02-11 |
| 8650912 | Burner and method for the manufacture of synthetic quartz glass | Hisatoshi Otsuka | 2014-02-18 |
| 8596095 | Manufacture of synthetic quartz glass ingot and synthetic quartz glass member | Hisatoshi Otsuka, Osamu Sekizawa | 2013-12-03 |
| 7954340 | Synthetic quartz glass substrate for excimer lasers and making method | Hisatoshi Otsuka, Osamu Sekizawa | 2011-06-07 |
| 7827824 | Synthetic quartz glass substrate for excimer lasers and making method | Hisatoshi Otsuka, Osamu Sekizawa | 2010-11-09 |
| 7232778 | Synthetic quartz glass ingot, synthetic quartz glass, and methods of manufacture thereof | Hisatoshi Otsuka | 2007-06-19 |
| 7159418 | Method of producing synthetic quartz glass | Koji Matsuo, Hisatoshi Otsuka, Shigeru Maida | 2007-01-09 |
| 6990836 | Method of producing fluorine-containing synthetic quartz glass | Shigeru Maida, Motoyuki Yamada, Hisatoshi Otsuka, Koji Matsuo | 2006-01-31 |
| 6761951 | Synthetic quartz glass blank | Hisatoshi Otsuka, Akira Fujinoki, Hiroyuki Nishimura, Takayuki SHIMAKAWA | 2004-07-13 |
| 6705115 | Synthetic quartz glass and production process | Koji Matsuo, Hisatoshi Otsuka | 2004-03-16 |
| 6541405 | Synthetic quartz glass member for excimer laser and method of making | Hisatoshi Otsuka, Akira Fujinoki | 2003-04-01 |
| 6333284 | Synthetic fused silica member | Hisatoshi Otsuka, Kazuhiro Kumakura | 2001-12-25 |