Inventor · disambiguated record
Ryouhei Shimizu
Also filed as: SHIMIZU RYOUHEI
5 granted patents·1 pending application·221 citations·filing 1990–1993
84Inventor score
Files withOLYMPUS OPTICAL CO6
Top patents by PatentIndex Score
6 records- 0191US5289408AMemory apparatus using tunnel current techniquesOLYMPUS OPTICAL CO·Filed 1992·Granted Feb 22, 1994·61 cites·21 claims
- 0280US5144581AApparatus including atomic probes utilizing tunnel current to read, write and erase dataOLYMPUS OPTICAL CO·Filed 1990·Granted Sep 1, 1992·53 cites·7 claims
- 0380US5091880AMemory deviceOLYMPUS OPTICAL CO·Filed 1990·Granted Feb 25, 1992·47 cites·14 claims
- 0478US5053995ATunnel current data storage apparatus having separate lever bodiesOLYMPUS OPTICAL CO·Filed 1990·Granted Oct 1, 1991·49 cites·20 claims
- 0543US5216254ACircuit pattern forming apparatus using mu-stmOLYMPUS OPTICAL CO·Filed 1990·Granted Jun 1, 1993·11 cites·4 claims
- 0623US2003049864A1Immunoassay method using magnetic marker particlesOLYMPUS OPTICAL CO·Filed 1993·Application pending·0 cites
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →