Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6931995 | Train maintenance automating system | Toshio Yokonishi, Hisao Sawada, Dai Koyama, Kenjiro Fujii | 2005-08-23 |
| 6914156 | Process for producing diacetoxybutene | Hiroshi Iwasaka, Kazuyuki Okubo, Koji Hata | 2005-07-05 |