Issued Patents 2004
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822806 | Imaging optical system and optical apparatus using the same | Tetsuhide Takeyama | 2004-11-23 |
| 6821012 | Vacuum assisted mixer for capsule of dental restoration material | Shuji Aoyagi, Masaaki Kaneko, Yoshihisa Mukasa | 2004-11-23 |
| 6776516 | Vacuum assisted mixer for capsule of dental restoration material | Shuji Aoyagi, Masaaki Kaneko, Yoshihisa Mukasa | 2004-08-17 |
| 6775071 | Image forming optical system and optical device using the same | Tetsuhide Takeyama | 2004-08-10 |
| 6744563 | Collimating lens | — | 2004-06-01 |
| 6733170 | Mixer for capsule for dental restoration material | Yoshihisa Mukasa, Michio Kato | 2004-05-11 |
| 6682347 | Capsule for dental restoration material | Shuji Aoyagi, Masaaki Kaneko, Yoshihisa Mukasa | 2004-01-27 |