Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7858546 | Mother glass composition for gradient-index lens, gradient-index lens, manufacturing method thereof, optical product, and optical device | Tatsufumi Shiba | 2010-12-28 |
| 7576021 | Mother glass composition for graded index lens, graded index lens, manufacturing method of graded index lens, optical product and optical instrument using the same | Kazuya Ohkawa, Tatsufumi Shiba, Tomizou Matsuyama | 2009-08-18 |
| 6399229 | Light-transmitting color film, method for producing the same, and coating solution for forming the color film | Hiromitsu Takeda, Kennichi Fujita, Toshifumi Tsujino, Tatsuya Noguchi, Hideki Okamoto +1 more | 2002-06-04 |
| 6120850 | Colored film forming composition and method of manufacturing colored film coated glass product | Mitsuhiro Kawazu, Katuhiko Kinugawa, Koichi Maeda | 2000-09-19 |
| 5976678 | Colored film-covered glass articles | Mitsuhiro Kawazu, Koichi Maeda | 1999-11-02 |
| 5942331 | Colored film-coated glass article | Mitsuhiro Kawazu, Koichi Maeda | 1999-08-24 |
| 5876854 | UV absorbing, colored film-covered glass articles | Mitsuhiro Kawazu, Koichi Maeda, Tatsuya Noguchi | 1999-03-02 |