Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7311923 | Harmful-insect-eliminating formed resin article and animal collar using the same | Kenzo Hayama | 2007-12-25 |
| 6885415 | Optical member and optical product provided therewith | Ryuma Kuroda, Hiroaki Takahata, Nobuo Oi, Kyoko Hino | 2005-04-26 |
| 6815047 | Foamed thermoplastic resin sheet and manufacturing method of the same | Takeo Kitayama, Shigeyoshi Matsubara, Tatsuhiro Nagamatsu | 2004-11-09 |
| 6520759 | Manufacturing device of foamed thermoplastic resin sheet | Takeo Kitayama, Shigeyoshi Matsubara, Tatsuhiro Nagamatsu | 2003-02-18 |
| 6124025 | Polypropylene-based foamed sheet | Takeo Kitayama, Shigeyoshi Matsubara | 2000-09-26 |