Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6185031 | Optical switching method and optical switching apparatus | Hisayoshi Yamoto, Tohru Sugimoto | 2001-02-06 |
| 4394211 | Method of manufacturing a semiconductor device having a layer of polymide resin | Nobuhiro Uchiyama, Saburo Tsukada | 1983-07-19 |