Issued Patents All Time
Showing 26–37 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7476335 | Phosphor and manufacturing method therefore, and light source using the phosphor | Akira Nagatomi | 2009-01-13 |
| 7476337 | Phosphor and manufacturing method for the same, and light source | Akira Nagatomi, Masahiro Gotoh, Shuji Yamashita | 2009-01-13 |
| 7476338 | Phosphor and manufacturing method for the same, and light source | Akira Nagatomi, Masahiro Gotoh, Shuji Yamashita, Tetsuya Ikuta | 2009-01-13 |
| 7477009 | Phosphor mixture and light emitting device | Akira Nagatomi, Masahiro Gotoh | 2009-01-13 |
| 7445730 | Phosphor and manufacturing method of the same, and light emitting device using the phosphor | Akira Nagatomi | 2008-11-04 |
| 7443094 | Phosphor and manufacturing method of the same, and light emitting device using the phosphor | Akira Nagatomi | 2008-10-28 |
| 7432647 | Light source having phosphor including divalent trivalent and tetravalent elements | Akira Nagatomi, Masahiro Gotoh, Shuji Yamashita | 2008-10-07 |
| 7345418 | Phosphor mixture and light emitting device using the same | Akira Nagatomi, Masahiro Gotoh | 2008-03-18 |
| 7291289 | Phosphor and production method of the same and light source and LED using the phosphor | Masahiro Gotoh, Akira Nagatomi, Shuji Yamashita | 2007-11-06 |
| 7273568 | Phosphor and production method of the same, method of shifting emission wavelength of phosphor, and light source and LED | Akira Nagatomi, Masahiro Gotoh, Shuji Yamashita | 2007-09-25 |
| 7252788 | Phosphor, light source and LED | Akira Nagatomi, Masahiro Gotoh, Shuji Yamashita | 2007-08-07 |
| 7138756 | Phosphor for electron beam excitation and color display device using the same | Masahiro Gotoh, Akira Nagatomi, Shuji Yamashita | 2006-11-21 |