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Graded-refractive-index optical plastic material and method for its production |
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2003-07-15 |
| 6590036 |
Graded-refractive-index optical plastic material and method for its production |
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2003-07-08 |
| 6271312 |
Graded-refractive-index optical plastic material of a fluoropolymer containing a material in a concentration gradient therein |
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2001-08-07 |
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Fluorine-containing polymer composition |
Norihide Sugiyama, Atsushi Watakabe, Shunsuke Yokotsuka, Atsuo Hiroi, Naoko Shirota +2 more |
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Graded-refractive-index optical plastic material and method for its production |
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1998-07-21 |
| 5760139 |
Graded-refractive-index optical plastic material and method for its production |
Yasuhiro Koike, Hidenobu Murofushi, Norihide Sugiyama |
1998-06-02 |
| 5498657 |
Fluorine-containing polymer composition |
Norihide Sugiyama, Atsushi Watakabe, Shunsuke Yokotsuka, Atsuo Hiroi, Naoko Shirota +2 more |
1996-03-12 |