Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8757422 | Cryogenic tank | Takeyoshi Nishizaki, Tomoki Ushida | 2014-06-24 |
| 4256428 | Apparatus for automatically fitting runner bricks | Shoji Kitayama, Hiroaki Okamitsu, Toshiroh Shibata | 1981-03-17 |