Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7957003 | Nitrogen analyzing apparatus | — | 2011-06-07 |
| 7005167 | Heat insulating container and manufacture method therefor | Takafumi Fujii, Isao Watanabe | 2006-02-28 |
| 6915917 | Heat insulating container and its manufacturing method | Isao Watanabe, Takafumi Fujii | 2005-07-12 |
| 6809298 | Thermal insulation container with electric heater | Takafumi Fujii, Isao Watanabe | 2004-10-26 |