Inventor · disambiguated record
Keiichi Iwamoto
Also filed as: IWAMOTO KEIICHI
12 granted patents·1 pending application·261 citations·filing 1986–2007
92Inventor score
Files withMITSUBISHI HEAVY IND LTD7KANSAI ELECTRIC POWER CO2SANYO ELECTRIC CO2IWAMOTO KEIICHI1TOKYO ELECTRIC POWER CO1
Top patents by PatentIndex Score
13 records- 0188US4879973AAutomatic tube circumference scanning apparatusKANSAI ELECTRIC POWER CO·Filed 1988·Granted Nov 14, 1989·59 cites·2 claims
- 0278US6606910B1Method and apparatus for evaluating damage of metal materialMITSUBISHI HEAVY IND LTD·Filed 2000·Granted Aug 19, 2003·16 cites·5 claims
- 0378US6138514ATube flaw detecting method using two probesMITSUBISHI HEAVY IND LTD·Filed 1998·Granted Oct 31, 2000·63 cites·20 claims
- 0471US6789428B2Method and apparatus for evaluating damage of metal materialMITSUBISHI HEAVY IND LTD·Filed 2003·Granted Sep 14, 2004·9 cites·6 claims
- 0567US5669232ARefrigerating unitSANYO ELECTRIC CO·Filed 1995·Granted Sep 23, 1997·36 cites·13 claims
- 0663US4907542ACleaning system for a horizontal type tube assemblyKANSAI ELECTRIC POWER CO·Filed 1989·Granted Mar 13, 1990·21 cites·2 claims
- 0752US4935603AHot water supply systemSANYO ELECTRIC CO·Filed 1989·Granted Jun 19, 1990·13 cites·4 claims
- 0851US4872347AAutomated ultrasonic examination system for heat transfer tubes in a boilerTOKYO ELECTRIC POWER CO·Filed 1988·Granted Oct 10, 1989·16 cites·6 claims
- 0949US6207321B1Sodium secondary batteryMITSUBISHI HEAVY IND LTD·Filed 1998·Granted Mar 27, 2001·11 cites·15 claims
- 1047US2008285762A1Point source speaker systemsIWAMOTO KEIICHI·Filed 2007·Application pending·0 cites
- 1137US4854614ACable insert nozzleMITSUBISHI HEAVY IND LTD·Filed 1987·Granted Aug 8, 1989·7 cites·8 claims
- 1235US4920804AInsert type ultrasonic crack hunting apparatusMITSUBISHI HEAVY IND LTD·Filed 1988·Granted May 1, 1990·6 cites·6 claims
- 1332US4800927ACable insertion nozzleMITSUBISHI HEAVY IND LTD·Filed 1986·Granted Jan 31, 1989·4 cites·3 claims
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