Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9724662 | Exhaust gas mixer and constant volume sampling apparatus | Tatsuki Kumagai, Sayaka YOSHIMURA, Yoshiko Tsuji | 2017-08-08 |
| 6615678 | Exhaust gas sampling device | Yutaka Yamagishi | 2003-09-09 |
| 6058789 | Sampling device for gas analyzers | Hiroji Kohsaka | 2000-05-09 |
| 5807426 | Gas chromatography apparatus with temperature controlled chamber | Tsutomu Oie | 1998-09-15 |
| 5604319 | Sampling device for gas analyzers | Hiroji Kohsaka | 1997-02-18 |