Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7504907 | Multilayer directional coupler | Kosuke Ishida | 2009-03-17 |
| 7439842 | Laminated balun transformer | Katsuji Matsuta, Kosuke Ishida | 2008-10-21 |
| 5497137 | Chip type transformer | — | 1996-03-05 |
| 5369379 | Chip type directional coupler comprising a laminated structure | — | 1994-11-29 |
| 5359304 | Chip type directional coupler | — | 1994-10-25 |
| 4298652 | Method of producing medium-grade coated paper for rotogravure printing | Kuzuhiko Suzuki, Tojiro Kitahori, Akira Takada | 1981-11-03 |