Inventor · disambiguated record
Toshiki Shojima
Also filed as: SHOJIMA TOSHIKI
2 granted patents·18 citations·filing 1990–1991
58Inventor score
Files withIDEMITSU PETROCHEMICAL CO2
Top patents by PatentIndex Score
2 records- 0157US5156860AApparatus for manufacturing an optical disk substrate by injection moldingIDEMITSU PETROCHEMICAL CO·Filed 1991·Granted Oct 20, 1992·14 cites·4 claims
- 0227US5059461AOptical disk substrate, optical information-storage medium, and process and apparatus for manufacturing the optical disk substrateIDEMITSU PETROCHEMICAL CO·Filed 1990·Granted Oct 22, 1991·4 cites·6 claims
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