Inventor · disambiguated record
Katsunori Kuboyama
Also filed as: KUBOYAMA KATSUNORI
26 granted patents·3 pending applications·483 citations·filing 1994–2005
96Inventor score
Top patents by PatentIndex Score
29 records- 0194US5589672ACircuit breaker with arc quenching device and ventFUJI ELECTRIC CO LTD·Filed 1995·Granted Dec 31, 1996·92 cites·11 claims
- 0289US6566618B2Circuit breakerFUJI ELECTRIC CO LTD·Filed 2001·Granted May 20, 2003·38 cites·3 claims
- 0389US5825602AOvercurrent trip deviceFUJI ELECTRIC CO LTD·Filed 1997·Granted Oct 20, 1998·93 cites·12 claims
- 0488USD468687SManual motor starterFUJI ELECTRIC CO LTD·Filed 2002·Granted Jan 14, 2003·49 cites·1 claims
- 0581US7170020B2Circuit breaker and terminal coverFUJI ELEC FA COMPONENTS & SYS·Filed 2005·Granted Jan 30, 2007·12 cites·10 claims
- 0680US6897760B2Circuit breakerFUJI ELECTRIC CO LTD·Filed 2003·Granted May 24, 2005·26 cites·4 claims
- 0778US6621403B2Overload tripping device for circuit breakerFUJI ELECTRIC CO LTD·Filed 2001·Granted Sep 16, 2003·22 cites·4 claims
- 0872US5566818AMovable contactor device in circuit breakerFUJI ELECTRIC CO LTD·Filed 1994·Granted Oct 22, 1996·22 cites·16 claims
- 0970US6229414B1Make-and-break mechanism for circuit breakerFUJI ELECTRIC CO LTD·Filed 2000·Granted May 8, 2001·17 cites·3 claims
- 1068US6310528B1Overcurrent-tripping device for circuit breakerFUJI ELECTRIC CO LTD·Filed 2000·Granted Oct 30, 2001·15 cites·6 claims
- 1168US5548258ACircuit breaker with insulation deviceFUJI ELECTRIC CO LTD·Filed 1995·Granted Aug 20, 1996·22 cites·8 claims
- 1257US6897748B2Circuit breakerFUJI ELECTRIC CO LTD·Filed 2003·Granted May 24, 2005·8 cites·6 claims
- 1355US6642820B2Protective switchFUJI ELECTRIC CO LTD·Filed 2002·Granted Nov 4, 2003·8 cites·3 claims
- 1455US5901025ACircuit breakerFUJI ELECTRIC CO LTD·Filed 1997·Granted May 4, 1999·14 cites·14 claims
- 1553US6800822B2Circuit breakerFUJI ELECTRIC CO LTD·Filed 2003·Granted Oct 5, 2004·6 cites·9 claims
- 1651US6456176B1Circuit breakerFUJI ELECTRIC CO LTD·Filed 2001·Granted Sep 24, 2002·6 cites·2 claims
- 1750US6548769B2Circuit breakerFUJI ELECTRIC CO LTD·Filed 2001·Granted Apr 15, 2003·5 cites·5 claims
- 1849US6255608B1Terminal structure of switchFUJI ELECTRIC CO LTD·Filed 2000·Granted Jul 3, 2001·5 cites·4 claims
- 1948US6103986ACircuit breaker including bridging contact with magnetic structureFUJI ELECTRIC CO LTD·Filed 1999·Granted Aug 15, 2000·10 cites·6 claims
- 2047US6819206B2Circuit breakerFUJI ELECTRIC CO LTD·Filed 2003·Granted Nov 16, 2004·4 cites·4 claims
- 2147US6577215B2Instantaneous-tripping circuit breakerFUJI ELECTRIC CO LTD·Filed 2001·Granted Jun 10, 2003·4 cites·3 claims
- 2242US6512434B1Circuit breaker with shift guideFUJI ELECTRIC CO LTD·Filed 2001·Granted Jan 28, 2003·2 cites·4 claims
- 2341US6606239B2Circuit breakerFUJI ELECTRIC CO LTD·Filed 2002·Granted Aug 12, 2003·1 cites·9 claims
- 2441US6392514B1Terminal unit for multipolar switchFUJI ELECTRIC CO LTD·Filed 2000·Granted May 21, 2002·2 cites·6 claims
- 2537US6940374B2Overload/open-phase tripping device for circuit breakerFUJI ELEC FA COMPONENTS & SYS·Filed 2004·Granted Sep 6, 2005·0 cites·4 claims
- 2637US2005164564A1Terminal device of switching deviceFUJI ELEC FA COMPONENTS & SYS·Filed 2004·Application pending·0 cites
- 2736US6600116B2Switch mounting structureFUJI ELECTRIC CO LTD·Filed 2002·Granted Jul 29, 2003·0 cites·6 claims
- 2835US2005062564A1Alarm output device for circuit breakerFiled 2004·Application pending·0 cites
- 2935US2005007222A1External auxiliary switching unit for circuit breakerFiled 2004·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Katsunori Kuboyama 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 →