Inventor · disambiguated record
Keijiro Yamamoto
Also filed as: YAMAMOTO KEIJIRO
2 granted patents·92 citations·filing 1993–1996
63Inventor score
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2 records- 0176US5495237AMeasuring tool for collecting down hole information and metering valve for producing mud-pulse used in the sameAKISHIMA LAB MITSUI ZOSEN INC·Filed 1993·Granted Feb 27, 1996·88 cites·8 claims
- 0229US5646549ASemiconductor device having an output circuit for transmitting low-voltage differential signalsFUJITSU LTD·Filed 1996·Granted Jul 8, 1997·4 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →