Inventor · disambiguated record
Isao Imai
Also filed as: IMAI ISAO
28 granted patents·1 pending application·587 citations·filing 1973–2014
97Inventor score
Files withISHIKAWAJIMA HARIMA HEAVY IND10MIYOSHI KASEI CO LTD6TOSHIBA CERAMICS CO4US COSMETICS CORP3ASAHI CHEMICAL IND1
Top patents by PatentIndex Score
29 records- 0194US4622074APigments and extender pigments which are surface-treated with hydrogenated lecithin, and cosmetics containing the sameMIYOSHI KASEI CO LTD·Filed 1985·Granted Nov 11, 1986·58 cites·5 claims
- 0294US4365496ARolling processISHIKAWAJIMA HARIMA HEAVY IND·Filed 1978·Granted Dec 28, 1982·32 cites·1 claims
- 0394US4269052AMechanical descaling deviceISHIKAWAJIMA HARIMA HEAVY IND·Filed 1979·Granted May 26, 1981·34 cites·8 claims
- 0490US4164167AHydraulic servomechanismISHIKAWAJIMA HARIMA HEAVY IND·Filed 1976·Granted Aug 14, 1979·52 cites·3 claims
- 0585US6790452B2Pigment dispersions and cosmetic products containing the sameMIYOSHI KASEI INC·Filed 2002·Granted Sep 14, 2004·21 cites·17 claims
- 0683US5458681AOrganosilicon-treated pigment, process for production thereof, and cosmetic made therewithMIYOSHI KASEI CO LTD·Filed 1994·Granted Oct 17, 1995·41 cites·5 claims
- 0781US4145901ARolling millISHIKAWAJIMA HARIMA HEAVY IND·Filed 1978·Granted Mar 27, 1979·17 cites·5 claims
- 0877US4863800ASurface-treated pigment materialMIYOSHI KASEI CO LTD·Filed 1987·Granted Sep 5, 1989·54 cites·4 claims
- 0977US4145902ARolling millISHIKAWAJIMA HARIMA HEAVY IND·Filed 1978·Granted Mar 27, 1979·15 cites·2 claims
- 1076US4458515AMethod and apparatus for variably controlling transverse rigidity of rolling machineISHIKAWAJIMA HARIMA HEAVY IND·Filed 1982·Granted Jul 10, 1984·15 cites·4 claims
- 1173US5159287AHigh efficiency rf power amplifierFUJITSU LTD·Filed 1991·Granted Oct 27, 1992·25 cites·16 claims
- 1273US4173133AContinuous rolling millISHIKAWAJIMA HARIMA HEAVY IND·Filed 1978·Granted Nov 6, 1979·13 cites·1 claims
- 1369US5368639AOrganosilicon-treated pigment, process for production thereof, and cosmetic made therewithMIYOSHI KASEI CO LTD·Filed 1992·Granted Nov 29, 1994·37 cites·3 claims
- 1467US3953408AAddition polymerizable polymeric compoundsASAHI CHEMICAL IND·Filed 1973·Granted Apr 27, 1976·17 cites·8 claims
- 1562US8884152B2Thermoelectric semiconductor material, thermoelectric semiconductor element using thermoelectric semiconductor material, thermoelectric module using thermoelectric semiconductor element and manufacturing method for sameIHI CORP·Filed 2014·Granted Nov 11, 2014·0 cites·9 claims
- 1661US4919922APolyolefin-treated pigment and cosmetics containing the sameMIYOSHI KASEI CO LTD·Filed 1989·Granted Apr 24, 1990·26 cites·4 claims
- 1760US5001820ARoll for rolling millISHIKAWAJIMA HARIMA HEAVY IND·Filed 1990·Granted Mar 26, 1991·12 cites·1 claims
- 1858US5897868ASlurry composition for cosmetic product and method of useUS COSMETICS CORP·Filed 1996·Granted Apr 27, 1999·19 cites·9 claims
- 1958US4975260AProcess for preparing metal nitride powderTOSHIBA CERAMICS CO·Filed 1989·Granted Dec 4, 1990·13 cites·6 claims
- 2053US5856251ACastable refractory for slide gateTOSHIBA CERAMICS CO·Filed 1997·Granted Jan 5, 1999·18 cites·4 claims
- 2151US6416766B1Slurry composition for cosmetic product and method of useUS COSMETICS CORP·Filed 1999·Granted Jul 9, 2002·14 cites·17 claims
- 2249US8692103B2Thermoelectric semiconductor material, thermoelectric semiconductor element using thermoelectric semiconductor material, thermoelectric module using thermoelectric semiconductor element and manufacturing method for sameOTA TOSHINORI·Filed 2011·Granted Apr 8, 2014·0 cites·9 claims
- 2348US6560650B1Computer system for controlling a data transferMITSUBISHI ELECTRIC CORP·Filed 1999·Granted May 6, 2003·23 cites·1 claims
- 2445US4986972AMethod for making silicon nitride powderTOSHIBA CERAMICS CO·Filed 1988·Granted Jan 22, 1991·8 cites·15 claims
- 2544US2006243314A1Thermoelectric semiconductor material, thermoelectric semiconductor element therefrom, thermoelectric module including thermoelectric semiconductor element and process for producing theseISHIKAWAJIMA HARIMA HEAVY IND·Filed 2004·Application pending·0 cites
- 2643US6251411B1Composition for hydrophobic cosmetic productsUS COSMETICS CORP·Filed 1999·Granted Jun 26, 2001·9 cites·22 claims
- 2740US5091013AMoisture holding pigment and a cosmetic containing such a pigmentMIYOSHI KASEI CO LTD·Filed 1989·Granted Feb 25, 1992·8 cites·11 claims
- 2838US4837906ARolling roll with variable profile and of the tapered piston typeISHIKAWAJIMA HARIMA HEAVY IND·Filed 1988·Granted Jun 13, 1989·5 cites·14 claims
- 2928US4985224AProcess for making silicon nitride whiskerTOSHIBA CERAMICS CO·Filed 1989·Granted Jan 15, 1991·1 cites·20 claims
Join the waitlist — get patent alerts
Get an alert when Isao Imai files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →