Assignee
ISHIZUKA HIROSHI
JP·33 granted patents·1 pending application·465 citations·filing 1976–2006
Top patents by PatentIndex Score
34 records- 0191US4131103AApparatus for sawing stoneISHIZUKA HIROSHI·Filed 1977·Granted Dec 26, 1978·37 cites·3 claims
- 0290US4334975AApparatus for electrolytic production of magnesium metal from its chlorideISHIZUKA HIROSHI·Filed 1980·Granted Jun 15, 1982·29 cites·16 claims
- 0389US4440573AMethod for producing diamond compactISHIZUKA HIROSHI·Filed 1982·Granted Apr 3, 1984·48 cites·2 claims
- 0486US4411672AMethod for producing composite of diamond and cemented tungsten carbideISHIZUKA HIROSHI·Filed 1981·Granted Oct 25, 1983·42 cites·10 claims
- 0583US4401543AElectrolytic cell for magnesium chlorideISHIZUKA HIROSHI·Filed 1981·Granted Aug 30, 1983·22 cites·20 claims
- 0680US4481085AApparatus and method for electrolysis of MgCl2ISHIZUKA HIROSHI·Filed 1983·Granted Nov 6, 1984·19 cites·20 claims
- 0779US4715317AMethod for producing of polycrystalline silicon and apparatus thereofISHIZUKA HIROSHI·Filed 1985·Granted Dec 29, 1987·27 cites·1 claims
- 0879US4441925AMethod and an apparatus for producing titanium metal from titanium tetrachlorideISHIZUKA HIROSHI·Filed 1982·Granted Apr 10, 1984·29 cites·6 claims
- 0976US4749409AMethod of purifying refractory metalISHIZUKA HIROSHI·Filed 1987·Granted Jun 7, 1988·24 cites·6 claims
- 1071US4637370ARotary saw bladeISHIZUKA HIROSHI·Filed 1985·Granted Jan 20, 1987·24 cites·9 claims
- 1170US4565354AApparatus for producing purified refractory metal from a chloride thereofISHIZUKA HIROSHI·Filed 1983·Granted Jan 21, 1986·14 cites·13 claims
- 1267US4158695AElectrothermal fluidized bed furnaceISHIZUKA HIROSHI·Filed 1977·Granted Jun 19, 1979·13 cites·13 claims
- 1365US4699704AElectrolytic cell for a molten saltISHIZUKA HIROSHI·Filed 1986·Granted Oct 13, 1987·14 cites·9 claims
- 1464US4278448ADiamond abrasive gritsISHIZUKA HIROSHI·Filed 1979·Granted Jul 14, 1981·16 cites·13 claims
- 1563US4242136AProcess for producing metallic zirconiumISHIZUKA HIROSHI·Filed 1979·Granted Dec 30, 1980·10 cites·1 claims
- 1655US4518334AHigh temperature high pressure apparatusISHIZUKA HIROSHI·Filed 1984·Granted May 21, 1985·11 cites·6 claims
- 1754US4147255AProcess for synthesizing diamondsISHIZUKA HIROSHI·Filed 1977·Granted Apr 3, 1979·10 cites·3 claims
- 1852US4403769AVacuum separatorISHIZUKA HIROSHI·Filed 1982·Granted Sep 13, 1983·7 cites·9 claims
- 1951US4385881AUltrahigh pressure apparatusISHIZUKA HIROSHI·Filed 1981·Granted May 31, 1983·7 cites·6 claims
- 2049US4595573AChlorinator furnace and method for producing tetrachloride of such metals as titanium and zirconiumISHIZUKA HIROSHI·Filed 1985·Granted Jun 17, 1986·7 cites·2 claims
- 2149US4584018AMethod for production of refractory metal from a chloride thereofISHIZUKA HIROSHI·Filed 1985·Granted Apr 22, 1986·6 cites·3 claims
- 2249US4097208AUltrahigh pressure apparatus for diamond synthesisISHIZUKA HIROSHI·Filed 1977·Granted Jun 27, 1978·9 cites·3 claims
- 2346US4647355AApparatus for molten salt electrolysisISHIZUKA HIROSHI·Filed 1985·Granted Mar 3, 1987·5 cites·5 claims
- 2446US4119500AProcess for eliminating magnetism of synthetic diamond grainsISHIZUKA HIROSHI·Filed 1977·Granted Oct 10, 1978·10 cites·4 claims
- 2545US8488202B2Computer readable medium including digital image print support program, digital image print support apparatus, and digital image print systemISHIZUKA HIROSHI·Filed 2005·Granted Jul 16, 2013·0 cites·20 claims
- 2644US2009215366A1Tool with Sintered Body Polishing Surface and Method of Manufacturing the SameISHIZUKA HIROSHI·Filed 2006·Application pending·0 cites
- 2742US4246005ADiamond aggregate abrasive materials for resin-bonded applicationsISHIZUKA HIROSHI·Filed 1979·Granted Jan 20, 1981·5 cites·7 claims
- 2840US4527778AApparatus for production of refractory metal from a chloride thereofISHIZUKA HIROSHI·Filed 1983·Granted Jul 9, 1985·3 cites·5 claims
- 2940US4128625AProcess for synthesizing diamondsISHIZUKA HIROSHI·Filed 1977·Granted Dec 5, 1978·4 cites·4 claims
- 3039US4762696AMethod of purificating titanium tetrachlorideISHIZUKA HIROSHI·Filed 1987·Granted Aug 9, 1988·3 cites·6 claims
- 3136US3988087AHigh pressure apparatusISHIZUKA HIROSHI·Filed 1976·Granted Oct 26, 1976·3 cites·4 claims
- 3235US4495037AMethod for electrolytically obtaining magnesium metalISHIZUKA HIROSHI·Filed 1983·Granted Jan 22, 1985·3 cites·1 claims
- 3334US4414246AMethod for protecting environment from volatile liquid chloride as exposed to the atmosphereISHIZUKA HIROSHI·Filed 1982·Granted Nov 8, 1983·2 cites·8 claims
- 3434US4164828AAbrasive machine for stonesISHIZUKA HIROSHI·Filed 1977·Granted Aug 21, 1979·2 cites·3 claims
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