Inventor
NARITOMI MASAKI
JP7 patents
⚠️ This page may combine multiple inventors who share the name “NARITOMI MASAKI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KOIKE YASUHIRO
3 patentsUS5760139AJun 2, 1998
Graded-refractive-index optical plastic material and method for its production
KOIKE YASUHIRO60 citations95
US6593415B2Jul 15, 2003
Graded-refractive-index optical plastic material and method for its production
KOIKE YASUHIRO13 citations92
US6590036B2Jul 8, 2003
Graded-refractive-index optical plastic material and method for its production
KOIKE YASUHIRO13 citations92
YASUHIRO KOIKE
2 patentsUS5783636AJul 21, 1998
Graded-refractive-index optical plastic material and method for its production
YASUHIRO KOIKE40 citations95
US6271312B1Aug 7, 2001
Graded-refractive-index optical plastic material of a fluoropolymer containing a material in a concentration gradient therein
YASUHIRO KOIKE24 citations91