Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9006623 | High-frequency induction hardening apparatus for metal objects | Takehiko Nagao | 2015-04-14 |
| 5928556 | Refractory block for continuous casting | Masaru Terao, Yukinobu Kurashina, Kenji Yamamoto, Junichi Inoue, Hiroyasu Uiji | 1999-07-27 |
| 5687695 | Air flow rate control device of engine and draining off method thereof | Shigeo Tamaki | 1997-11-18 |
| 5614121 | Refractory block for continuous casting | Masaru Terao, Yukinobu Kurashina, Kenji Yamamoto, Junichi Inoue, Hiroyasu Uiji | 1997-03-25 |
| 4985378 | Carbon-containing refractory and a manufacturing method therefor | Kenji Ichikawa, Eishi Iida, Yuji Yoshimura, Junichi Inoue | 1991-01-15 |
| 4830992 | Carbon containing refractory | Kenji Ichikawa, Hitoshi Iwado, Eishi Iida | 1989-05-16 |
| 4756452 | Molten metal pouring nozzle | Masaru Terao, Hiroyasu Uiji | 1988-07-12 |