Inventor · disambiguated record
Kazuaki Fujiwara
Also filed as: FUJIWARA KAZUAKI
27 granted patents·4 pending applications·362 citations·filing 1981–2025
97Inventor score
Files withSANYO ELECTRIC CO21KYOCERA DOCUMENT SOLUTIONS INC5KANEKA CORP2KANEGAFUCHI CHEMICAL IND1MATSUMOTO KENZO1
Top patents by PatentIndex Score
31 records- 0196US12332585B2Seal member and toner storage container including sameKYOCERA DOCUMENT SOLUTIONS INC·Filed 2024·Granted Jun 17, 2025·2 cites·6 claims
- 0294US7013664B2Refrigerant cycling deviceSANYO ELECTRIC CO·Filed 2005·Granted Mar 21, 2006·17 cites·4 claims
- 0392US6533558B1Closed rotary compressorSANYO ELECTRIC CO·Filed 2000·Granted Mar 18, 2003·55 cites·12 claims
- 0491US7101162B2CompressorSANYO ELECTRIC CO·Filed 2005·Granted Sep 5, 2006·12 cites·2 claims
- 0590US6582207B2Motor compressor and cooling apparatus using the sameSANYO ELECTRIC CO·Filed 2001·Granted Jun 24, 2003·44 cites·7 claims
- 0690US6322339B1Scroll compressorSANYO ELECTRIC CO·Filed 1998·Granted Nov 27, 2001·59 cites·6 claims
- 0789US7076968B2Refrigerant cycling deviceSANYO ELECTRIC CO·Filed 2005·Granted Jul 18, 2006·9 cites·5 claims
- 0887US7051551B2CompressorSANYO ELECTRIC CO·Filed 2005·Granted May 30, 2006·7 cites·3 claims
- 0987US6824367B2Multi-stage compression type rotary compressor and a setting method of displacement volume ratio for the sameSANYO ELECTRIC CO·Filed 2003·Granted Nov 30, 2004·36 cites·13 claims
- 1086US6945073B2Refrigerant cycling device and compressor using the sameSANYO ELECTRIC CO·Filed 2003·Granted Sep 20, 2005·23 cites·5 claims
- 1185US7013672B2Refrigerant cycling deviceSANYO ELECTRIC CO·Filed 2005·Granted Mar 21, 2006·5 cites·3 claims
- 1280US6907746B2Multistage compression type rotary compressor and cooling deviceSANYO ELECTRIC CO·Filed 2003·Granted Jun 21, 2005·16 cites·2 claims
- 1378US6280168B1Multi-cylinder rotary compressorSANYO ELECTRIC CO·Filed 2000·Granted Aug 28, 2001·18 cites·1 claims
- 1474US7220110B2Compressor having a throttled-return passage connecting an oil accumulator to a seal containerSANYO ELECTRIC CO·Filed 2005·Granted May 22, 2007·2 cites·3 claims
- 1574US7168264B2Refrigerant cycling deviceSANYO ELECTRIC CO·Filed 2005·Granted Jan 30, 2007·2 cites·2 claims
- 1671US2025258451A1Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 1771US2025264837A1Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2025·Application pending·0 cites
- 1867US6931866B2Multistage compression type rotary compressor and cooling deviceSANYO ELECTRIC CO·Filed 2004·Granted Aug 23, 2005·12 cites·4 claims
- 1964US7234976B2Terminal cover, sealed type electromotive compressor provided with the terminal cover, and refrigerant cycle device in which the sealed type electromotive compressor constitutes refrigerant circuitSANYO ELECTRIC CO·Filed 2006·Granted Jun 26, 2007·1 cites·6 claims
- 2062US7138178B2Fiber for artificial hair and process for producing the sameKANEKA CORP·Filed 2003·Granted Nov 21, 2006·6 cites·4 claims
- 2160US4409350AFire retardant acrylic fibers containing organo-tin-sulfur compound having high degree of glossinessKANEGAFUCHI CHEMICAL IND·Filed 1981·Granted Oct 11, 1983·14 cites·5 claims
- 2258US7135225B2Acrylic synthetic fiber improved in styleabilityKANEKA CORP·Filed 2003·Granted Nov 14, 2006·2 cites·7 claims
- 2355US7155925B2Refrigerant cycle apparatusSANYO ELECTRIC CO·Filed 2004·Granted Jan 2, 2007·4 cites·4 claims
- 2455US2025110417A1Image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2024·Application pending·0 cites
- 2554US7111471B2Refrigerant cycle apparatusSANYO ELECTRIC CO·Filed 2004·Granted Sep 26, 2006·7 cites·2 claims
- 2652US10824107B2Image forming apparatus and method for controlling image forming apparatusKYOCERA DOCUMENT SOLUTIONS INC·Filed 2019·Granted Nov 3, 2020·0 cites·17 claims
- 2748US2005210891A1Trans-critical refrigerating unitMATSUMOTO KENZO·Filed 2005·Application pending·0 cites
- 2847US7000424B2Refrigerant cycling deviceSANYO ELECTRIC CO·Filed 2003·Granted Feb 21, 2006·4 cites·3 claims
- 2945US9637841B2Fiber for artificial hair and artificial hair product using the sameMATSUMOTO YOSHITOMO·Filed 2009·Granted May 2, 2017·0 cites·3 claims
- 3042US7143593B2Refrigerant cycle apparatusSANYO ELECTRIC CO·Filed 2004·Granted Dec 5, 2006·2 cites·6 claims
- 3133US6132192AScroll compressor made of silicon containing aluminum alloySANYO ELECTRIC CO·Filed 1997·Granted Oct 17, 2000·3 cites·4 claims
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