Inventor · disambiguated record
Yoji Shimizu
Also filed as: SHIMIZU YOJI
7 granted patents·4 pending applications·114 citations·filing 1981–2011
86Inventor score
Top patents by PatentIndex Score
11 records- 0186US7840487B2Digital content encryption and decryption method and workflow system using digital contentHITACHI LTD·Filed 2007·Granted Nov 23, 2010·16 cites·14 claims
- 0270US5267146ASystem for designing configuration with design elements characterized by fuzzy setsNISSAN MOTOR·Filed 1991·Granted Nov 30, 1993·40 cites·10 claims
- 0367US8094824B2Encrypting device, decrypting device, information system, encrypting method, decrypting method, and programHATANO YASUO·Filed 2007·Granted Jan 10, 2012·6 cites·13 claims
- 0453US4444591AChromogenic compounds and the use thereof as color former in copying or recording materialsYAMADA CHEM CO·Filed 1982·Granted Apr 24, 1984·12 cites·2 claims
- 0550US6349349B1System for linking a main control unit to data receiving and transmitting units and a first and second storage units by a networkSONY CORP·Filed 1998·Granted Feb 19, 2002·15 cites·22 claims
- 0645US4417442AExhaust gas cleaning system for an internal combustion engineHONDA MOTOR CO LTD·Filed 1981·Granted Nov 29, 1983·14 cites·7 claims
- 0742US2009116643A1Encryption apparatus, decryption apparatus, and cryptography systemHATANO YASUO·Filed 2008·Application pending·0 cites
- 0840US2008253449A1Information apparatus and methodSHIMIZU YOJI·Filed 2007·Application pending·0 cites
- 0939US2011231364A1Id management method, id management system, and computer-readable recording mediumHITACHI LTD·Filed 2011·Application pending·0 cites
- 1037US5574889AApparatus for selecting and evaluating design based on stored informationNISSAN MOTOR·Filed 1994·Granted Nov 12, 1996·11 cites·19 claims
- 1124US2001011009A1Underground information communication system and related manhole coverFiled 1997·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →