Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11691920 | High alumina fused cast refractory and method of producing same | Koya Abe, Hiroshi Sugiyama, Shinji Tsuchiya, Itaru Hashimoto | 2023-07-04 |
| 9896383 | High zirconia electrically fused cast refractory | Hiroshi Sugiyama, Toshimitsu Kuboki, Itaru Hashimoto | 2018-02-20 |
| 9751806 | High zirconia electrically fused cast refractory | Hiroshi Sugiyama, Toshimitsu Kuboki, Itaru Hashimoto | 2017-09-05 |
| 9475735 | High zirconia fused cast refractory | Toshimitsu Kuboki, Hiroshi Sugiyama, Itaru Hashimoto | 2016-10-25 |
| 7842633 | High-resistance high-zirconia cast refractory material | Nobuo Tomura, Shigeo Endo | 2010-11-30 |
| 6348428 | High-purity crystalline inorganic fiber, molded body thereof, and method of production thereof | Mikiya Fujii, Kazuhide Kawai, Fumio Tokuoka, Makoto Takahashi, Keiji Morita | 2002-02-19 |
| 5817274 | Method of manufacturing aluminum nitride | Hiroaki Kotaka, Hidenori Yamaoka, Shuitsu Matsuo, Masahiro Ando, Mikiya Fujii +1 more | 1998-10-06 |
| 5322650 | Method and apparatus for producing fibers | Shigeo Endo, Haruo Kawashima, Kimio Hirata, Akira Itoh | 1994-06-21 |