Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7986604 | Optical element and optical pickup device | Kazunari Tada, Youichi Ogawa, Nobuo Mushiake | 2011-07-26 |
| RE41193 | Method for fabricating a prism and method for fabricating an optical system | Yuichiro Ori, Tomokazu Taguchi, Kazunari Tada | 2010-04-06 |
| 7289267 | Polarizing beam splitter | Tomokazu Taguchi, Takuji Hatano, Kazuhiko Ishimaru | 2007-10-30 |
| 7160396 | Washing method | — | 2007-01-09 |
| 6869488 | Washing method | — | 2005-03-22 |
| 6870694 | Method for fabricating a prism and method for fabricating an optical system | Yuichiro Ori, Tomokazu Taguchi, Kazunari Tada | 2005-03-22 |
| 5868864 | Washing method using pure water | — | 1999-02-09 |