Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6548023 | Gas sensor | Shoji Akatsuka, Shoichi Ohtsuki, Satoshi Ishikawa | 2003-04-15 |
| 6510728 | Gas sensor including inorganic powder filling gap between measuring element and metallic shell | Satoshi Ishikawa | 2003-01-28 |