Inventor · disambiguated record
Iwao Numakura
Also filed as: NUMAKURA IWAO
17 granted patents·254 citations·filing 1988–2014
94Inventor score
Top patents by PatentIndex Score
17 records- 0186US6391473B2Cu plated ceramic substrate and a method of manufacturing the sameYAMATOYA SHOKAI·Filed 2001·Granted May 21, 2002·34 cites·11 claims
- 0275US4811108ATonal conversion method for picturesYAMATOYA SHOKAI·Filed 1988·Granted Mar 7, 1989·32 cites·6 claims
- 0374US4924323ATonal conversion method for picturesYAMATOYA SHOKAI·Filed 1989·Granted May 8, 1990·28 cites·10 claims
- 0472US5072305APicture producing apparatus using picture information values correlated to light intensities in tonal conversion formulaYAMATOYA SHOKAI·Filed 1991·Granted Dec 10, 1991·37 cites·11 claims
- 0565US4956718ATonal conversion method for picturesYAMATOYA SHOKAI·Filed 1989·Granted Sep 11, 1990·24 cites·6 claims
- 0661US4833546APhotomechanical apparatusYAMATOYA SHOKAI·Filed 1988·Granted May 23, 1989·18 cites·6 claims
- 0757US5057931ATonal conversion method of pictures for producing reproduced pictures free of color-fogYAMATOYA SHOKAI·Filed 1990·Granted Oct 15, 1991·19 cites·4 claims
- 0853US5841897AMethod for the tonal control or adjustment of reproduced color image and picture producing system making use of said methodYAMATOYA SHOKAI·Filed 1996·Granted Nov 24, 1998·20 cites·20 claims
- 0945US5212518ATonal conversion method for a faded color photographic original pictureYAMATOYA SHOKAI·Filed 1992·Granted May 18, 1993·10 cites·8 claims
- 1039US5406394AColor reproducing method used in an image data processing system comprising independent input and output devicesYAMOTOYA & CO LTD·Filed 1994·Granted Apr 11, 1995·9 cites·6 claims
- 1139US5286609AProcess for the formation of a negative resist pattern from a composition comprising a diazoquinone compound and an imidazole and having as a heat step the use of a hot water containing sprayYAMATOYA SHOKAI·Filed 1992·Granted Feb 15, 1994·5 cites·15 claims
- 1238US5371616ATonal conversion method of a pictureYAMATOYA SHOKAI·Filed 1993·Granted Dec 6, 1994·6 cites·4 claims
- 1338US5313310ATonal conversion method for picturesYAMATOYA SHOKAI·Filed 1990·Granted May 17, 1994·6 cites·13 claims
- 1432US9857687B2Method of manufacturing substrate and substrate and mask filmTOKAI SHINEI ELECTRONICS IND CO LTD·Filed 2014·Granted Jan 2, 2018·0 cites·12 claims
- 1532US5134494AMethod for producing color and black plates in a multi-color plate making apparatusYAMATOYA SHOKAI·Filed 1991·Granted Jul 28, 1992·3 cites·5 claims
- 1631US5014120AMethod for processing picture to be reproduced on color picture tube and processor thereforYAMATOYA SHOKAI·Filed 1989·Granted May 7, 1991·2 cites·5 claims
- 1723US5357349ATonal conversion method for a pictureYAMATOYO & CO LTD·Filed 1991·Granted Oct 18, 1994·1 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →