Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6805511 | Ball point pen | — | 2004-10-19 |
| 6743352 | Method and apparatus for correcting a gas sensor response for moisture in exhaust gas | Noboru Ishida, Satoshi Sugaya, Takafumi Oshima, Norihiko Nadanami, Takaki Otsuka +3 more | 2004-06-01 |
| D489088 | Ball-point pen | Naomi Arita | 2004-04-27 |
| 6695964 | Method and apparatus for measuring NOx gas concentration | Noboru Ishida, Satoshi Sugaya, Takafumi Oshima, Norihiko Nadanami, Takaki Ootuka +2 more | 2004-02-24 |