Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6869190 | Projection display device | Masahiro Muramatsu, Kenji Kamei, Morio Ando | 2005-03-22 |
| 4990254 | Portable water purifier | Shoji Toida, Takeshi Kuwana, Kazunori Iwasaki | 1991-02-05 |