Inventor · disambiguated record
Hajime Ishimaru
Also filed as: ISHIMARU HAJIME
15 granted patents·323 citations·filing 1978–1996
94Inventor score
Files withISHIMARU HAJIME3MATSUSHITA ELECTRIC INDUSTRIAL CO LTD3ZAIDAN HOUJIN SHINKU KAGAKU KE2DIRECTOR GENERAL OF NATIONAL L1FUJI BELLOWS CO LTD1
Top patents by PatentIndex Score
15 records- 0183US4941224AElectrostatic dust collector for use in vacuum systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Jul 17, 1990·44 cites·2 claims
- 0280US5350275ATurbomolecular pump having vanes with ceramic and metallic surfacesZAIDAN HOUJIN SHINKU KAGAKU KE·Filed 1993·Granted Sep 27, 1994·47 cites·12 claims
- 0377US4231003AShield-type coaxial vacuum feedthroughDIRECTOR GENERAL OF NATIONAL L·Filed 1978·Granted Oct 28, 1980·34 cites·4 claims
- 0475US4562992ASeal device for gate valveFUJI BELLOWS CO LTD·Filed 1984·Granted Jan 7, 1986·39 cites·2 claims
- 0572US4594054AIon pumpISHIMARU HAJIME·Filed 1983·Granted Jun 10, 1986·18 cites·16 claims
- 0665US4715186ACoolant preservation containerSEIKO INSTR & ELECTRONICS·Filed 1985·Granted Dec 29, 1987·22 cites·18 claims
- 0763US5125124AElectrostatic dust collector for use in vacuum systemMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1990·Granted Jun 30, 1992·22 cites·5 claims
- 0862US5737906AQuick pressure reducing apparatusZAIDAN HOUJIN SHINKU KAGAKU·Filed 1996·Granted Apr 14, 1998·22 cites·23 claims
- 0958US4969556AVacuum containerISHIMARU HAJIME·Filed 1989·Granted Nov 13, 1990·27 cites·5 claims
- 1051US4176901ABakable multi-pins vacuum feedthroughNAT LAB HIGH ENERGY PHYSICS·Filed 1978·Granted Dec 4, 1979·13 cites·8 claims
- 1145US4782316ACore winding with inorganic insulation between the inner conductor and outer metal sheathSUKEGAWA ELEC·Filed 1986·Granted Nov 1, 1988·14 cites·12 claims
- 1237US5070701ACooling apparatusMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Dec 10, 1991·5 cites·17 claims
- 1335US4578973AProcess for producing hollow aluminum extrudates for use in a high vacuum environmentSHOWA ALUMINUM CORP·Filed 1983·Granted Apr 1, 1986·7 cites·3 claims
- 1433US5714272AHeat insulating filmZAIDAN HOUJIN SHINKU KAGAKU KE·Filed 1996·Granted Feb 3, 1998·5 cites·24 claims
- 1532US4607491ACooling trap for vacuumISHIMARU HAJIME·Filed 1985·Granted Aug 26, 1986·4 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →