Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6025579 | Ceramic heater and method of manufacturing the same | Arihito Tanaka | 2000-02-15 |
| 5945019 | Metal member connecting structure, metal member connecting method, ceramic heater, and ceramic heater manufacturing method | Arihito Tanaka, Toshitsugu Miura | 1999-08-31 |
| 5685920 | Annealing separator having excellent reactivity for grain-oriented electrical steel sheet and method of use the same | Osamu Tanaka, Maremizu Ishibashi, Tsuyoshi Hamaya, Tsutomu Haratani, Tomoji Kumano +3 more | 1997-11-11 |
| 5238625 | Process for preparing zirconia sols and/or zirconia forms | Masahiko Okuyama | 1993-08-24 |