Inventor · disambiguated record
Keiji Arimatsu
Also filed as: ARIMATSU KEIJI
8 granted patents·252 citations·filing 1983–2001
89Inventor score
Files withHITACHI LTD8
Top patents by PatentIndex Score
8 records- 0188US5945681AIon implanting apparatus capable of preventing discharge flaw production on reverse side surface of waferHITACHI LTD·Filed 1997·Granted Aug 31, 1999·53 cites·21 claims
- 0288US5064520AMethod and apparatus for forming a filmHITACHI LTD·Filed 1990·Granted Nov 12, 1991·78 cites·42 claims
- 0386US4618905ADC circuit breakerHITACHI LTD·Filed 1984·Granted Oct 21, 1986·30 cites·11 claims
- 0478US4578730AHigh-voltage DC circuit breaker apparatusHITACHI LTD·Filed 1983·Granted Mar 25, 1986·23 cites·4 claims
- 0576US4673482ASputtering apparatusHITACHI LTD·Filed 1986·Granted Jun 16, 1987·33 cites·7 claims
- 0664US6290824B1Magnetic film forming systemHITACHI LTD·Filed 1993·Granted Sep 18, 2001·27 cites·15 claims
- 0756US6491802B2Magnetic film forming systemHITACHI LTD·Filed 2001·Granted Dec 10, 2002·4 cites·4 claims
- 0842US6104025AIon implanting apparatus capable of preventing discharge flaw production on reverse side surface of waferHITACHI LTD·Filed 1999·Granted Aug 15, 2000·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →