Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6551497 | Measuring NOx concentration | Yunzhi Gao, Akira Kunimoto, Yongtie Yan, Hideyuki Kurosawa, Norio Miura +2 more | 2003-04-22 |
| 6303011 | Gas sensor | Yunzhi Gao, Akira Kunimoto, Masaharu Hasei, Yongtie Yan, Takashi Ono | 2001-10-16 |
| 6126902 | NOx sensor | Akira Kunimoto, Yongtie Yan, Masaharu Hasei, Hideyuki Kurosawa | 2000-10-03 |
| 6019881 | NO.sub.x sensor | Hideyuki Kurosawa, Masaharu Hasei | 2000-02-01 |
| 5861092 | Nitrogen oxide detector | Fumio Kiyota, Masaharu Hasei | 1999-01-19 |
| 4950380 | Limiting current-type oxygen sensor | Hideyuki Kurosawa, Kazuhiro Takahashi | 1990-08-21 |
| 4938861 | Limiting current-type oxygen sensor | Hideyuki Kurosawa, Kazuhiro Takahashi, Tetsuo Uchiyama | 1990-07-03 |
| 4688130 | Perpendicular magnetic recording medium and production process thereof | Shigehiro Ohnuma, Tsuyoshi Masumoto | 1987-08-18 |
| 4584078 | Method of producing fine particles | Shigehiro Ohnuma, Tsuyoshi Masumoto | 1986-04-22 |