Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8701730 | Device for sticking cover glass | Kohji Naritake, Kiyokazu Iijima, Tetsu Nagabayashi | 2014-04-22 |
| 8017077 | Staining and sticking system | Atsuo Ito, Tadashi Tofukuji | 2011-09-13 |
| 6929672 | Filter medium for air filter and process for producing the same | Yoshihide Wakayama, Sadao Kobayashi, Satoki SUGIYAMA, Takeshi Yamada, Keiji Matsuno | 2005-08-16 |
| 6568447 | Cover glass adhering device | Takayoshi Sakai, Shinji Tokudaiji, Takashi Yoshiike, Kiyokazu Iijima | 2003-05-27 |
| 5830414 | Air cleaning filter | Tsutomu Ishii, Tetsuo Shimamura, Michinori Hashimoto, Shozo Ichimura, Fumio Karibe | 1998-11-03 |