Inventor · disambiguated record
Hiroyuki Kiyoi
Also filed as: KIYOI HIROYUKI
5 granted patents·104 citations·filing 1990–2007
82Inventor score
Top patents by PatentIndex Score
5 records- 0192US7938527B2Ink, ink cartridge, ink jet recording apparatus, and ink jet recording methodRICOH CO LTD·Filed 2007·Granted May 10, 2011·15 cites·13 claims
- 0292US5126799AImage recording apparatus having a toner supply tank and a toner recovery tank configured into a unitary, disposable magazineRICOH KK·Filed 1990·Granted Jun 30, 1992·51 cites·13 claims
- 0378US5682577AMethod and apparatus for controlling a temperature of a fixing roller in an printing/copying deviceRICHOH COMPANY LTD·Filed 1996·Granted Oct 28, 1997·30 cites·62 claims
- 0438USRE35528EImage recording apparatus having a toner supply tank and a toner recovery tank configured into a unitary, disposable magazineRICOH KK·Filed 1994·Granted Jun 10, 1997·4 cites·15 claims
- 0536US5832330AMethod and apparatus for controlling a temperature of a fixing roller in a printing/copying deviceRICOH KK·Filed 1997·Granted Nov 3, 1998·4 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →