Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426631 | Oxygen sensor device incorporating a heater therein | Masahide Akiyama, Hiroshi Ono | 2002-07-30 |
| 6258741 | Corrosion-resistant member | Shoji Kohsaka, Yumiko Itoh, Hidemi Matsumoto, Masahito Nakanishi | 2001-07-10 |