Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5753893 | Alumina-based sintered material for ceramic heater | Yoshiro Noda, Yoshiro Suematsu, Toshihiko Aoyama | 1998-05-19 |
| 5139829 | Method for producing oxygen detection element | Ken Minoha, Haruhisa Shiomi | 1992-08-18 |
| 4980042 | Oxygen sensor and method of making it | Haruhisa Shiomi, Toshihiko Aoyama, Ken Minoha | 1990-12-25 |