Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6866927 | Filter for image display device | Masakazu Sumida, Kiyoshi Muto | 2005-03-15 |
| 6444719 | Method for producing crystalline methacrylic resin and plastic foam | Masahiko Moritani, Norio SUGIMURA | 2002-09-03 |