Issued Patents 2005
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6926860 | Method and apparatus for manufacturing minute metallic sphere | Masamoto Tanaka | 2005-08-09 |
| 6912093 | Optical glass, press-molding glass gob and optical element | — | 2005-06-28 |