Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5737471 | Optical waveguide tube | Hideo Sugiyama, Masato Sugimachi, Atsushi Hotta, Minoru Ishiharada, Itsuo Tanuma | 1998-04-07 |
| 5728333 | Method for making and then removing a molded article of rigid polyurethane foam from a mold | Keiichiro Tabata, Yoichi Nabeshima, Taikyu Fujita, Kazufumi Yokoyama | 1998-03-17 |
| 5667741 | Method of manufacturing a molding for energy absorbent pads and mold used in the method | Keiichiro Tabata, Yoichi Nabeshima, Taikyu Fujita, Kazufumi Yokoyama | 1997-09-16 |