Inventor · disambiguated record
Masatoshi Iwata
Also filed as: IWATA MASATOSHI
19 granted patents·3 pending applications·102 citations·filing 1981–2020
92Inventor score
Files withKONISHIROKU PHOTO IND6DOWA ELECTRONICS MATERIALS CO LTD5IWATA MASATOSHI4KOMATSU MFG CO LTD4KONICA CORPORATION1
Top patents by PatentIndex Score
22 records- 0177US4446228ASilver halide photographic materialKONISHIROKU PHOTO IND·Filed 1982·Granted May 1, 1984·15 cites·4 claims
- 0273US8044439B2Light-emitting device and manufacturing method of the sameDOWA ELECTRONICS MATERIALS CO LTD·Filed 2006·Granted Oct 25, 2011·5 cites·7 claims
- 0373US4639417ASilver halide X-ray photosensitive materialKONISHIROKU PHOTO IND·Filed 1985·Granted Jan 27, 1987·12 cites·7 claims
- 0471US4381077ADiesel fuel injection nozzleKOMATSU MFG CO LTD·Filed 1981·Granted Apr 26, 1983·18 cites·5 claims
- 0570US4406404ADiesel fuel injection nozzleKOMATSU MFG CO LTD·Filed 1981·Granted Sep 27, 1983·19 cites·8 claims
- 0666US4413781AFuel injection nozzleKOMATSU MFG CO LTD·Filed 1981·Granted Nov 8, 1983·13 cites·13 claims
- 0762US9543469B2III nitride semiconductor epitaxial substrate and III nitride semiconductor light emitting device, and methods of producing the sameDOWA ELECTRONICS MATERIALS CO LTD·Filed 2014·Granted Jan 10, 2017·1 cites·8 claims
- 0857US9393464B2Golf club head and golf clubPOSTING CO LTD·Filed 2014·Granted Jul 19, 2016·2 cites·5 claims
- 0953US4394963AFuel injection nozzleKOMATSU MFG CO LTD·Filed 1981·Granted Jul 26, 1983·8 cites·6 claims
- 1046US12426409B2Point source type light-emitting diode and manufacturing method thereofDOWA ELECTRONICS MATERIALS CO LTD·Filed 2020·Granted Sep 23, 2025·0 cites·7 claims
- 1146US12095004B2Point source light-emitting diode and method of producing the sameDOWA ELECTRONICS MATERIALS CO LTD·Filed 2020·Granted Sep 17, 2024·0 cites·6 claims
- 1246US8115193B2Vertical resonator type light emitting diodeIWATA MASATOSHI·Filed 2010·Granted Feb 14, 2012·0 cites·6 claims
- 1346US7989799B2Surface light emitting elementDOWA ELECTRONICS MATERIALS CO LTD·Filed 2007·Granted Aug 2, 2011·0 cites·8 claims
- 1444US2009020777A1Vertical resonator type light emitting diodeIWATA MASATOSHI·Filed 2007·Application pending·0 cites
- 1543US8278822B2Light-emitting elementIWATA MASATOSHI·Filed 2009·Granted Oct 2, 2012·0 cites·13 claims
- 1643US2010129698A1Electrode catalyst for fuel cellNAT INST OF ADVANCED SCIENCE A·Filed 2008·Application pending·0 cites
- 1737US5023898AX-ray radiographic systemKONISHIROKU PHOTO IND·Filed 1990·Granted Jun 11, 1991·1 cites·11 claims
- 1834US4514491APhotosensitive silver halide emulsionKONISHIROKU PHOTO IND·Filed 1982·Granted Apr 30, 1985·1 cites·6 claims
- 1933US4731322ALight-sensitive silver halide photographic material for X-ray photographyKONISHIROKU PHOTO IND·Filed 1986·Granted Mar 15, 1988·4 cites·6 claims
- 2033US4680252ASilver halide light-sensitive photographic material for radiographic useKONISHIROKU PHOTO IND·Filed 1985·Granted Jul 14, 1987·3 cites·6 claims
- 2130US2012021897A1Ring compoundIWATA MASATOSHI·Filed 2010·Application pending·0 cites
- 2223USH1263HImage forming method and apparatusKONICA CORPORATION·Filed 1990·Granted Dec 7, 1993·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →