Inventor · disambiguated record
Akitsugu Fujita
Also filed as: FUJITA AKITSUGU
10 granted patents·2 pending applications·78 citations·filing 1993–2005
89Inventor score
Top patents by PatentIndex Score
12 records- 0174US6773519B2High and low pressure integrated type turbine rotorMITSUBISHI HEAVY IND LTD·Filed 2002·Granted Aug 10, 2004·8 cites·14 claims
- 0271US6254697B1Cast steel material for pressure vessels and method of making a pressure vessel by using sameMITSUBISHI HEAVY IND LTD·Filed 2000·Granted Jul 3, 2001·8 cites·2 claims
- 0369US6755920B2Low-alloy heat-resistant steel, heat treatment method therefor, and turbine rotor comprising the sameMITSUBISHI HEAVY IND LTD·Filed 2002·Granted Jun 29, 2004·7 cites·26 claims
- 0463US5599408AMethod of producing a structural memberMITSUBISHI HEAVY IND LTD·Filed 1993·Granted Feb 4, 1997·13 cites·14 claims
- 0557US5997806AHeat-resisting cast steelMITSUBISHI HEAVY IND LTD·Filed 1998·Granted Dec 7, 1999·14 cites·11 claims
- 0647US6569269B1Process for producing a high and low pressure integrated turbine rotorMITSUBISHI HEAVY IND LTD·Filed 2000·Granted May 27, 2003·9 cites·8 claims
- 0746US2007264125A1Lightweight Heat-Resistant Material for Generator Gas TurbineNGK INSULATORS LTD·Filed 2005·Application pending·0 cites
- 0843US6007767AHigh chromium heat resistant cast steel materialMITSUBISHI HEAVY IND LTD·Filed 1998·Granted Dec 28, 1999·7 cites·6 claims
- 0938US6123897AHigh chromium heat resistant cast steel material and pressure vessel formed thereofMITSUBISHI HEAVY IND LTD·Filed 1999·Granted Sep 26, 2000·5 cites·14 claims
- 1036US5972287AHeat-resisting steelMITSUBISHI HEAVY IND LTD·Filed 1998·Granted Oct 26, 1999·4 cites·10 claims
- 1133US2003145916A112Cr Alloy steel for a turbine rotorFiled 2002·Application pending·0 cites
- 1229US6095756AHigh-CR precision casting materials and turbine bladesMITSUBISHI HEAVY IND LTD·Filed 1998·Granted Aug 1, 2000·3 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →