Inventor · disambiguated record
Masafumi Kumano
Also filed as: KUMANO MASAFUMI
17 granted patents·996 citations·filing 1983–2013
95Inventor score
Top patents by PatentIndex Score
17 records- 0196US5304357AApparatus for zone melting recrystallization of thin semiconductor filmRICOH KK·Filed 1992·Granted Apr 19, 1994·374 cites·17 claims
- 0295US5108843AThin film semiconductor and process for producing the sameRICOH KK·Filed 1989·Granted Apr 28, 1992·371 cites·4 claims
- 0385US7531038B2Crystal growth methodRICOH KK·Filed 2005·Granted May 12, 2009·9 cites·3 claims
- 0482US7001457B2Crystal growth method, crystal growth apparatus, group-III nitride crystal and group-III nitride semiconductor deviceRICOH KK·Filed 2002·Granted Feb 21, 2006·31 cites·20 claims
- 0581US5140397AAmorphous silicon photoelectric deviceRICOH KK·Filed 1989·Granted Aug 18, 1992·40 cites·13 claims
- 0681US4792510AElectrophotographic element with silicide treated porous Al2 O3 sublayerRICOH KK·Filed 1987·Granted Dec 20, 1988·23 cites·9 claims
- 0768US8623138B2Crystal growth apparatusSARAYAMA SEIJI·Filed 2009·Granted Jan 7, 2014·2 cites·25 claims
- 0861US4966821APerpendicular magnetic recording mediumRICOH KK·Filed 1989·Granted Oct 30, 1990·21 cites·2 claims
- 0959US4943839AContact type image sensorRICOH KK·Filed 1988·Granted Jul 24, 1990·15 cites·16 claims
- 1058US9717792B2Combination therapy for cancer using HSP27 inhibitor and EGFR tyrosine kinase inhibitors or anti-folatesUNIV BRITISH COLUMBIA·Filed 2013·Granted Aug 1, 2017·0 cites·2 claims
- 1157US4566453AVascular anastomosis apparatusTOHOKU RIKO KK·Filed 1983·Granted Jan 28, 1986·42 cites·4 claims
- 1253US5053844AAmorphous silicon photosensorRICOH KK·Filed 1990·Granted Oct 1, 1991·19 cites·9 claims
- 1353US4734346APhotosensitive material for electrophotographyRICOH KK·Filed 1986·Granted Mar 29, 1988·9 cites·12 claims
- 1446US5393953AElectron-beam heating apparatus and heating method thereofRICOH KK·Filed 1993·Granted Feb 28, 1995·11 cites·13 claims
- 1545US5155567AAmorphous photoconductive material and photosensor employing the photoconductive materialRICOH KK·Filed 1990·Granted Oct 13, 1992·11 cites·7 claims
- 1644US5144458ATotal contact type image sensorRICOH KK·Filed 1990·Granted Sep 1, 1992·9 cites·24 claims
- 1741US5283207APhotoconductive material and photosensor employing the photoconductive materialRICOH KK·Filed 1992·Granted Feb 1, 1994·9 cites·8 claims
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