Issued Patents All Time
Showing 25 most recent of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12392050 | Infrared transmissivity measurement method of quartz glass crucible | Masanori Fukui, Hiroshi Kishi, Tomokazu Katano, Eriko Kitahara | 2025-08-19 |
| 12116692 | Quartz glass crucible | Takeshi Fujita, Tomokazu Katano, Eriko Kitahara | 2024-10-15 |
| 11939695 | Quartz glass crucible, manufacturing method of silicon single crystal using the same, and infrared transmissivity measurement method and manufacturing method of quartz glass crucible | Masanori Fukui, Hiroshi Kishi, Tomokazu Katano, Eriko Kitahara | 2024-03-26 |
| 11535546 | Silica glass crucible | Masaru Sato, Takuma Yoshioka | 2022-12-27 |
| 10243329 | External resonator laser | Kiyofumi Muro, Yuji Wakabayashi, Tomohisa Endo | 2019-03-26 |
| 10024784 | Vitreous silica crucible and evaluation method of the same | Toshiaki Sudo, Tadahiro Sato, Eriko Kitahara | 2018-07-17 |
| 9964478 | Destructive inspection method and quality determination method for vitreous silica crucible | Tadahiro Sato, Toshiaki Sudo, Eriko Kitahara, Takashi Watanabe | 2018-05-08 |
| 9932692 | Vitreous silica crucible | Toshiaki Sudo, Tadahiro Sato, Eriko Kitahara | 2018-04-03 |
| 9863061 | Vitreous silica crucible and method for manufacturing the same | Toshiaki Sudo, Tadahiro Sato, Eriko Kitahara | 2018-01-09 |
| 9863059 | Method for pulling silicon single crystal | Toshiaki Sudo, Tadahiro Sato, Eriko Kitahara | 2018-01-09 |
| 9816917 | Vitreous silica crucible and distortion-measuring apparatus for the same | Toshiaki Sudo, Tadahiro Sato, Eriko Kitahara | 2017-11-14 |
| 9810526 | Method for measuring three-dimensional shape of silica glass crucible, and method for producing monocrystalline silicon | Toshiaki Sudo, Tadahiro Sato | 2017-11-07 |
| 9809902 | Method for evaluating silica glass crucible, method for producing silicon single crystals | Toshiaki Sudo, Tadahiro Sato, Eriko Kitahara, Makiko Kodama | 2017-11-07 |
| 9758900 | Silica glass crucible | Toshiaki Sudo, Tadahiro Sato, Takuma Yoshioka, Hiroshi Kishi | 2017-09-12 |
| 9758901 | Vitreous silica crucible for pulling of silicon single crystal and method for manufacturing the same | Toshiaki Sudo, Akihiro Aiba, Kazushi Ousyuya, Fumie Yoshida, Makiko Hinooka +2 more | 2017-09-12 |
| 9708730 | Quality-evaluated vitreous silica crucible | Toshiaki Sudo, Tadahiro Sato, Masami Ohara | 2017-07-18 |
| 9653268 | Inspection method of vitreous silica crucible | Toshiaki Sudo, Tadahiro Sato, Masami Ohara | 2017-05-16 |
| 9637405 | Evaluation method of suitable silica powder in manufacturing vitreous silica crucible for pulling of silicon single crystal | Toshiaki Sudo, Tadahiro Sato, Makiko Hinooka | 2017-05-02 |
| 9557276 | Inspection method of vitreous silica crucible | Toshiaki Sudo, Tadahiro Sato, Masami Ohara | 2017-01-31 |
| 9527763 | Method of manufacturing composite crucible | Toshiaki Sudo, Takuma Yoshioka | 2016-12-27 |
| 9347148 | Vitreous silica crucible with specific ratio of transparent layer and bubble-containing layer thicknesses | Toshiaki Sudo, Koichi Suzuki, Shinsuke Yamazaki | 2016-05-24 |
| 9266763 | Composite crucible and method of manufacturing the same | Toshiaki Sudo, Takuma Yoshioka | 2016-02-23 |
| 9133063 | Composite crucible, method of manufacturing the same, and method of manufacturing silicon crystal | Toshiaki Sudo, Takuma Yoshioka, Hiroshi Kishi, Takeshi Fujita, Minoru Kanda +1 more | 2015-09-15 |
| 8936684 | Vitreous silica crucible | Toshiaki Sudo, Hiroshi Kishi | 2015-01-20 |
| 7572060 | Sliding bearing | Arihiro Kimura, Atsushi Okado, Masaaki Sakamoto, Koji Kuroda | 2009-08-11 |