Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6646119 | Acetylated pyroxylin | Kazuhiro Nishioka | 2003-11-11 |
| 6417344 | Acetylated pyroxylin, and its production process | Kazuhiro Nishioka | 2002-07-09 |
| 6417345 | Method for producing acetylated pyroxylin | Noboru Kamei, Hideo Yabune | 2002-07-09 |
| 5373150 | Line tracing method and apparatus therefor | Yasuo Koike | 1994-12-13 |
| 5357096 | Line tracing method and line tracing apparatus | Yasuo Koike | 1994-10-18 |
| 5114828 | Optical information recording medium containing linear acrylic resin | Etsuji Akimoto, Seiichi Ohta | 1992-05-19 |