Inventor · disambiguated record
Tsutomu Kagawa
Also filed as: KAGAWA TSUTOMU
6 granted patents·49 citations·filing 1992–2004
82Inventor score
Files withRICOH KK6
Top patents by PatentIndex Score
6 records- 0164US5643851AReversible thermosensitive recording label and reversible thermosensitive recording cardRICOH KK·Filed 1994·Granted Jul 1, 1997·12 cites·16 claims
- 0261US5310718AMethod of compensating for distortion in recording layer in reversible thermosensitive recording mediumRICOH KK·Filed 1992·Granted May 10, 1994·11 cites·14 claims
- 0360US5556827AMethod for producing reversible thermosensitive recording materialRICOH KK·Filed 1994·Granted Sep 17, 1996·10 cites·3 claims
- 0455US7498114B2Toner, process of manufacturing toner, developer, toner container, process cartridge, image forming apparatus, and image forming processRICOH KK·Filed 2004·Granted Mar 3, 2009·6 cites·3 claims
- 0552US5380550AMethod for producing a reversible thermosensitive recording materialRICOH KK·Filed 1994·Granted Jan 10, 1995·6 cites·2 claims
- 0647US5342815AReversible thermosensitive recording material and method for producing the sameRICOH KK·Filed 1993·Granted Aug 30, 1994·4 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →