Inventor · disambiguated record
Hidefumi Kajiwara
Also filed as: KAJIWARA HIDEFUMI
5 granted patents·79 citations·filing 1992–1997
83Inventor score
Files withHITACHI LTD5
Top patents by PatentIndex Score
5 records- 0189US5383768ASteam turbine, rotor shaft thereof, and heat resisting steelHITACHI LTD·Filed 1992·Granted Jan 24, 1995·30 cites·23 claims
- 0282US6224334B1Steam turbine, rotor shaft thereof, and heat resisting steelHITACHI LTD·Filed 1997·Granted May 1, 2001·23 cites·10 claims
- 0381US5536146ACombined generator systemHITACHI LTD·Filed 1994·Granted Jul 16, 1996·15 cites·18 claims
- 0439US5624235ASteam turbine, rotor shaft thereof, and heat resisting steelHITACHI LTD·Filed 1995·Granted Apr 29, 1997·9 cites·29 claims
- 0535US5569338ASteam turbine rotor shaft thereof and heat resisting steelHITACHI LTD·Filed 1995·Granted Oct 29, 1996·2 cites·35 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →