Inventor · disambiguated record
Shinji Nagatsuna
Also filed as: NAGATSUNA SHINJI
7 granted patents·193 citations·filing 1987–2002
88Inventor score
Files withRICOH KK7
Top patents by PatentIndex Score
7 records- 0191US4989037ADevice for driving a rotary bodyRICOH KK·Filed 1989·Granted Jan 29, 1991·44 cites·10 claims
- 0290US4876572AImage recording having a removable image forming caseRICOH KK·Filed 1988·Granted Oct 24, 1989·40 cites·4 claims
- 0389US6560414B2Reusable photoreceptor and image forming apparatus using the reusable photoreceptor and method of reusing photoreceptorRICOH KK·Filed 2001·Granted May 6, 2003·39 cites·30 claims
- 0481US4794420ADevice for driving rotary bodyRICOH KK·Filed 1987·Granted Dec 27, 1988·25 cites·6 claims
- 0574US6763208B2Photoreceptor regenerating apparatus and image forming apparatus using regenerated photoreceptor and method of regenerating photoreceptorRICOH KK·Filed 2002·Granted Jul 13, 2004·15 cites·19 claims
- 0658US6127012ARecyclable article and sheet-like member included thereinRICOH KK·Filed 1997·Granted Oct 3, 2000·22 cites·21 claims
- 0741US6124014AProduct including parts which can be recycledRICOH KK·Filed 1996·Granted Sep 26, 2000·8 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →