Inventor · disambiguated record
Keiko Tonai
Also filed as: TONAI KEIKO
8 granted patents·145 citations·filing 1994–1999
88Inventor score
Technology areasG03G
Files withFUJITSU LTD8
Top patents by PatentIndex Score
8 records- 0192US5933690AToner recovery deviceFUJITSU LTD·Filed 1996·Granted Aug 3, 1999·57 cites·6 claims
- 0267US5508797AColor image forming apparatus having toner image forming deviceFUJITSU LTD·Filed 1994·Granted Apr 16, 1996·16 cites·9 claims
- 0363US5517293AHeat roller fixing apparatus with rotating lampsFUJITSU LTD·Filed 1995·Granted May 14, 1996·16 cites·9 claims
- 0462US5640662AHot roller for thermal fixation device having elastomeric and anti-abrasive coveringsFUJITSU LTD·Filed 1995·Granted Jun 17, 1997·15 cites·14 claims
- 0560US6212340B1Image forming apparatus utilizing a two-component developing apparatus with automatic toner replenishment and developer replacementFUJITSU LTD·Filed 1999·Granted Apr 3, 2001·12 cites·2 claims
- 0651US5617192AMulticolor electrostatic recording apparatus and electrostatic latent image recording apparatus used thereforFUJITSU LTD·Filed 1995·Granted Apr 1, 1997·11 cites·22 claims
- 0748US5754919AElectrostatic recording apparatus utilizing superimposition of colors in a toner image to record a multicolor imageFUJITSU LTD·Filed 1995·Granted May 19, 1998·9 cites·10 claims
- 0847US5987280ADeveloping device for electrostatic latent imageFUJITSU LTD·Filed 1995·Granted Nov 16, 1999·9 cites·18 claims
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