Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8027090 | Optical element, replica substrate configured to form optical element | Sohmei Endoh, Kazuya Hayashibe | 2011-09-27 |
| 5993971 | Optical information record medium | Keiichi Nito, Tsutomu Noguchi, Mayumi Miyashita, Junetsu Seto, Katsumi Kohno | 1999-11-30 |
| 5703778 | Traffic control method for relieving vehicle congestion on parallel roads | Kazunori Takahashi, Nobuhiro Hamada, Masao Takatoo, Toshiko Suzuki, Souichi Furukawa | 1997-12-30 |
| 5646853 | Traffic control system | Kazunori Takahashi, Nobuhiro Hamada, Masao Takatoo, Toshiko Suzuki | 1997-07-08 |