Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9804119 | A/F sensor element and method of manufacturing the same | Namitsugu Fujii, Norikazu Kajiyama | 2017-10-31 |
| 9594050 | A/F sensor element and method of manufacturing the same | Namitsugu Fujii, Norikazu Kajiyama | 2017-03-14 |
| 9540282 | Gas sensor element and its manufacturing method | Namitsugu Fujii, Norikazu Kajiyama | 2017-01-10 |
| 8673128 | Gas sensor element, gas sensor, and production method thereof | Namitsugu Fujii, Norikazu Kajiyama | 2014-03-18 |
| 4698364 | Benzoic acid derivatives | Mitsuru Tanemura, Isao Matsunaga | 1987-10-06 |