Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6346179 | Gas sensor | Keisuke Makino, Shinya Awano, Mitsunori Oi, Takashi Nakao | 2002-02-12 |
| 6210552 | Oxygen sensor | Akio Mizutani, Hiroshi Isomura, Hiroshi Kubota, Seiichi Hosogai, Hiroyuki Fujita | 2001-04-03 |
| 6182498 | Oxygen sensor | Akio Mizutani, Hiroshi Kubota, Seiichi Hosogai, Hiroyuki Fujita | 2001-02-06 |
| RE33980 | Thick-film gas-sensitive element | Toshitaka Matsuura, Keizo Furusaki, Akio Takami | 1992-06-30 |
| 4857275 | Thick-film gas-sensitive element | Keizo Furusaki, Mineji Nasu, Toshitaka Matsuura, Akio Takami | 1989-08-15 |