Inventor · disambiguated record
Takayoshi Ishikawa
Also filed as: ISHIKAWA TAKAYOSHI
20 granted patents·329 citations·filing 1982–1999
95Inventor score
Files withMITSUBISHI ELECTRIC CORP14MATSUSHITA ELECTRIC INDUSTRIAL CO LTD4FUJII KAZUHITO1NIPPON ALEPH1
Top patents by PatentIndex Score
20 records- 0185US5343355ASafety shutter device for drawout type switch gearMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Aug 30, 1994·76 cites·4 claims
- 0279US5337210ADrawout type switch gearMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Aug 9, 1994·58 cites·21 claims
- 0377US4475021AAir circuit breakerMITSUBISHI ELECTRIC CORP·Filed 1983·Granted Oct 2, 1984·20 cites·7 claims
- 0475US4497992AAir circuit breakerMITSUBISHI ELECTRIC CORP·Filed 1983·Granted Feb 5, 1985·19 cites·4 claims
- 0573US4486814ADrawer-type circuit breakerMITSUBISHI ELECTRIC CORP·Filed 1983·Granted Dec 4, 1984·21 cites·3 claims
- 0663USD347623SAir circuit breakerMITSUBISHI ELECTRIC CORP·Filed 1992·Granted Jun 7, 1994·12 cites·1 claims
- 0763US5309317ADrawout type switchgear including lock member to allow circuit breaker to be positioned in three locked positionsMITSUBISHI ELECTRIC CORP·Filed 1992·Granted May 3, 1994·25 cites·17 claims
- 0862US4468533AAir circuit breakerMITSUBISHI ELECTRIC CORP·Filed 1983·Granted Aug 28, 1984·12 cites·7 claims
- 0959US5489881AStripline resonator filter including cooperative conducting cap and filmMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1993·Granted Feb 6, 1996·14 cites·13 claims
- 1059US4446347AArc-suppressing apparatus for circuit breakerMITSUBISHI ELECTRIC CORP·Filed 1982·Granted May 1, 1984·10 cites·8 claims
- 1159US4412112ADrawer-type circuit breakerMITSUBISHI ELECTRIC CORP·Filed 1982·Granted Oct 25, 1983·12 cites·1 claims
- 1251US4795990ATrap circuit with two variable inductorsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1986·Granted Jan 3, 1989·9 cites·9 claims
- 1350US4422059ABand-pass filter having multilayered coil structuresMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1982·Granted Dec 20, 1983·11 cites·8 claims
- 1445US5832578AMethod of manufacturing a filter by forming strip lines on a substrate and dividing the substrateMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1995·Granted Nov 10, 1998·6 cites·6 claims
- 1544US4655538ATerminal connecting device for pulling-type breakerMITSUBISHI ELECTRIC CORP·Filed 1985·Granted Apr 7, 1987·10 cites·10 claims
- 1638US4630074AMultiple-stylus electrode for discharge printingNIPPON ALEPH·Filed 1985·Granted Dec 16, 1986·5 cites·4 claims
- 1731US5324088ASuspension apparatusMITSUBISHI ELECTRIC CORP·Filed 1993·Granted Jun 28, 1994·4 cites·8 claims
- 1826US4468082ATerminal assembly for circuit interrupterMITSUBISHI ELECTRIC CORP·Filed 1982·Granted Aug 28, 1984·0 cites·4 claims
- 1926US4468081ATerminal assembly for circuit interrupterMITSUBISHI ELECTRIC CORP·Filed 1982·Granted Aug 28, 1984·0 cites·2 claims
- 2024US6256139B1Plastic optical fiber continuous optical amplifier and excitation tubeFUJII KAZUHITO·Filed 1999·Granted Jul 3, 2001·5 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →