Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5905823 | Polarization independent optical nonreciprocal circuit based on even mode to odd mode conversion | Toshihiro Shintaku, Yoshiaki Tachikawa, Naoto Sugimoto, Haruki Kozawaguchi | 1999-05-18 |
| 4412902 | Method of fabrication of Josephson tunnel junction | Osamu Michikami, Keiichi Tanabe, Hisataka Takenaka, Shizuka Yoshii | 1983-11-01 |