Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6337621 | Security and emergency communication service coordination system and notification control method therefor | Takayuki Ogino, Yoshihide Kobayashi, Tsutomu Ogawa, Melvin Diaz | 2002-01-08 |
| 4667858 | Filler material for filling an outlet aperture of a casting ladle or similar container and a process for producing the filler material | Takumi Nishio | 1987-05-26 |