Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6890374 | Filter for sampling chlorinated organic compound | Muneki Ohuchi, Masazumi Yamashita, Hirofumi Nakamura, Takatomo Fujii, Katsuhisa Honda | 2005-05-10 |
| 6555385 | Sampling bottle for chlorinated organic compounds | Katsuhisa Honda, Noriaki Hamada, Masazumi Yamashita, Hirofumi Nakamura, Mamoru Hatada +3 more | 2003-04-29 |
| 5459494 | Automatic lead supplying device for a plotter | — | 1995-10-17 |
| 4660054 | Pen changer with orthogonal pick up from the turret | Shuso Matsumoto | 1987-04-21 |
| 4654675 | Paper feeding device for automatic drafting machine | Akio Toyama | 1987-03-31 |