Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5691845 | Optical isolator, optical isolator with fiber and method for making the same | Shinji Iwatsuka, Kenjiro Hata, Makoto Sekijima | 1997-11-25 |
| 5206620 | Sintered ferrite body, chip inductor, and composite LC part | Hideo Watanabe, Takashi Suzuki, Takeshi Nomura | 1993-04-27 |
| 4956114 | Sintered ferrite body, chip inductor, and composite LC part | Hideo Watanabe, Takashi Suzuki, Takeshi Nomura | 1990-09-11 |