Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8261540 | Particulate matter sensor and exhaust gas purification apparatus | Athanasios G. Konstandopoulos, Senji Hamanaka, Takashi Yamakawa, Makoto Konno | 2012-09-11 |
| 8234858 | Particulate matter concentration measuring apparatus | Athanasios G. Konstandopoulos, Takafumi Kasuga, Kazuhiro Ito | 2012-08-07 |
| 8141413 | Particulate matter concentration measuring apparatus | Athanasios G. Konstandopoulos, Takafumi Kasuga, Yasuhiro Ishii | 2012-03-27 |
| 8056405 | Particulate matter concentration measuring apparatus | Athanasios G. Konstandopoulos, Takafumi Kasuga, Yasuhiro Ishii | 2011-11-15 |
| 6265700 | Ceramic heater | Tatsuya Koyama, Seiko Okuda | 2001-07-24 |
| 6236027 | Ceramic heater | Masahiro Tsuji | 2001-05-22 |
| 6218648 | Ceramic heater | Tatsuya Koyama, Seiko Okuda | 2001-04-17 |