Inventor
CHOKI KOJI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “CHOKI KOJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO BAKELITE CO
5 patentsUS5356717AOct 18, 1994
Magnetic card having embossed portions and a magnetic layer having magnetic powders specified binder resins and a tensile elongation at break of 50 percent or more
SUMITOMO BAKELITE CO32 citations85
US7820356B2Oct 26, 2010
Optical waveguides and methods thereof
SUMITOMO BAKELITE CO7 citations72
US8053166B2Nov 8, 2011
Optical waveguides and methods thereof
SUMITOMO BAKELITE CO2 citations61
US8021825B2Sep 20, 2011
Optical waveguides and methods thereof
SUMITOMO BAKELITE CO0 citations51
US7869670B2Jan 11, 2011
Substrate for mounting an optical element, optical circuit substrate, and substrate on which an optical element is mounted
SUMITOMO BAKELITE CO1 citations49
CHOKI KOJI
3 patentsUS8420293B2Apr 16, 2013
Optical waveguides and methods thereof
CHOKI KOJI2 citations59
US8200058B2Jun 12, 2012
Light guide and light guide structure
CHOKI KOJI4 citations59
US8208769B2Jun 26, 2012
Substrate for mounting an optical element, optical circuit substrate, and substrate on which an optical element is mounted
CHOKI KOJI1 citations47