Inventor
KAWABATA YASUNARI
JP11 patents
⚠️ This page may combine multiple inventors who share the name “KAWABATA YASUNARI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MITSUBISHI GAS CHEMICAL CO
8 patentsUS5872883AFeb 16, 1999
Curved optical waveguide and method of manufacturing the same
MITSUBISHI GAS CHEMICAL CO67 citations96
US6052500AApr 18, 2000
Optical waveguide device for connections without optical axis adjustment
MITSUBISHI GAS CHEMICAL CO105 citations94
US5838853ANov 17, 1998
Optical waveguide
MITSUBISHI GAS CHEMICAL CO23 citations92
US5570442AOct 29, 1996
Design and manufacture of an optimized waveguide-type multiple branched star coupler
MITSUBISHI GAS CHEMICAL CO46 citations91
US5058978AOct 22, 1991
Optical divider for multimode optical fiber systems
MITSUBISHI GAS CHEMICAL CO38 citations90
US5970191AOct 19, 1999
Optical signal distributors
MITSUBISHI GAS CHEMICAL CO18 citations83
US5916402AJun 29, 1999
Method for manufacturing optical element
MITSUBISHI GAS CHEMICAL CO2 citations61
US5923800AJul 13, 1999
Optical waveguide module having main-line waveguide and branch waveguides, and optical transmission device including such optical waveguide module
MITSUBISHI GAS CHEMICAL CO2 citations58