Inventor
OHBA MICHIO
JP19 patents
⚠️ This page may combine multiple inventors who share the name “OHBA MICHIO”. 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
US5812726ASep 22, 1998
Optical fibre array and method for manufacturing same
MITSUBISHI GAS CHEMICAL CO26 citations92
US5714544AFeb 3, 1998
Process for the production of phenolic resin and epoxy resin composition
MITSUBISHI GAS CHEMICAL CO12 citations71
US5916402AJun 29, 1999
Method for manufacturing optical element
MITSUBISHI GAS CHEMICAL CO2 citations61
US4036861AJul 19, 1977
Process for producing a 2-tertiary-alkyl substituted anthraquinone
MITSUBISHI GAS CHEMICAL CO5 citations61
US4189565AFeb 19, 1980
Process for polymerizing trioxane
MITSUBISHI GAS CHEMICAL CO2 citations60
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
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
3 patentsUS5683617ANov 4, 1997
Magnetic material and manufacturing method thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD5 citations73
US5518641AMay 21, 1996
Magnetic material and manufacturing method thereof
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations73
US7394341B2Jul 1, 2008
Coil electric conductor, laminated coil conductor, production method of the same and electronic component using the same
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD6 citations62