Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6940371 | High frequency dielectric ceramic composition, dielectric resonator, dielectric filter, dielectric duplexer, and communication device | Tsutomu Tatekawa | 2005-09-06 |
| 6569795 | High frequency dielectric ceramic compact, dielectric resonator, dielectric filter, dielectric duplexer, and communication apparatus | Tsutomu Tatekawa, Hitoshi Takagi | 2003-05-27 |
| 6549094 | High frequency ceramic compact, use thereof, and method of producing the same | Hitoshi Takagi, Tsutomu Tatekawa | 2003-04-15 |