Inventor · disambiguated record

Shitomi Katayama

Also filed as: KATAYAMA SHITOMI

2 granted patents·69 citations·filing 1986–1990

67Inventor score

Technology areasG01V Y10S

Files withSCHLUMBERGER TECHNOLOGY CORP2

Top patents by PatentIndex Score

2 records

0179US4953136ADownhole seismic exploration device and apparatusSCHLUMBERGER TECHNOLOGY CORP·Filed 1986·Granted Aug 28, 1990·42 cites·13 claims
0259US5044460ADownhole seismic exploration device and apparatusSCHLUMBERGER TECHNOLOGY CORP·Filed 1990·Granted Sep 3, 1991·27 cites·7 claims

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Shitomi Katayama — Patent Inventor | PatentIndex