Inventor
IWATA MASATOSHI
JP19 patents
⚠️ This page may combine multiple inventors who share the name “IWATA MASATOSHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KONISHIROKU PHOTO IND
6 patentsUS4446228AMay 1, 1984
Silver halide photographic material
KONISHIROKU PHOTO IND15 citations73
US4639417AJan 27, 1987
Silver halide X-ray photosensitive material
KONISHIROKU PHOTO IND12 citations72
US4680252AJul 14, 1987
Silver halide light-sensitive photographic material for radiographic use
KONISHIROKU PHOTO IND3 citations62
US4731322AMar 15, 1988
Light-sensitive silver halide photographic material for X-ray photography
KONISHIROKU PHOTO IND4 citations61
US5023898AJun 11, 1991
X-ray radiographic system
KONISHIROKU PHOTO IND1 citations51
US4514491AApr 30, 1985
Photosensitive silver halide emulsion
KONISHIROKU PHOTO IND1 citations51
DOWA ELECTRONICS MATERIALS CO LTD
5 patentsUS8044439B2Oct 25, 2011
Light-emitting device and manufacturing method of the same
DOWA ELECTRONICS MATERIALS CO LTD5 citations62
US7989799B2Aug 2, 2011
Surface light emitting element
DOWA ELECTRONICS MATERIALS CO LTD0 citations51
US9543469B2Jan 10, 2017
III nitride semiconductor epitaxial substrate and III nitride semiconductor light emitting device, and methods of producing the same
DOWA ELECTRONICS MATERIALS CO LTD1 citations50
US12426409B2Sep 23, 2025
Point source type light-emitting diode and manufacturing method thereof
DOWA ELECTRONICS MATERIALS CO LTD0 citations44
US12095004B2Sep 17, 2024
Point source light-emitting diode and method of producing the same
DOWA ELECTRONICS MATERIALS CO LTD0 citations41
KOMATSU MFG CO LTD
4 patentsUS4413781ANov 8, 1983
Fuel injection nozzle
KOMATSU MFG CO LTD13 citations73
US4394963AJul 26, 1983
Fuel injection nozzle
KOMATSU MFG CO LTD8 citations73
US4381077AApr 26, 1983
Diesel fuel injection nozzle
KOMATSU MFG CO LTD18 citations70
US4406404ASep 27, 1983
Diesel fuel injection nozzle
KOMATSU MFG CO LTD19 citations67