Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8685710 | Photodetector and measurement object reader | Kenichi Kimura, Ken Tsukii, Jie Xu, Motosuke Kiyohara | 2014-04-01 |
| 8211708 | Optical measuring device and method therefor | Ken Tsukii, Toru Takahashi, Jie Xu | 2012-07-03 |
| 7543470 | Roll straightener | Tetsuo Hosonuma | 2009-06-09 |
| 5566223 | Communications system having a host exchange and a mate exchange and a method for managing maintenance state of subscriber accommodated in the mate exchange | — | 1996-10-15 |