Inventor · disambiguated record

Tohru Yamanishi

Also filed as: YAMANISHI TOHRU

5 granted patents·131 citations·filing 1993–1996

84Inventor score

Technology areasG02B

Files withSUMITOMO ELECTRIC INDUSTRIES5

Top patents by PatentIndex Score

5 records

0185US5613021AOptical fiber switching device having one of a robot mechanism and an optical fiber length adjustment unitSUMITOMO ELECTRIC INDUSTRIES·Filed 1995·Granted Mar 18, 1997·62 cites·16 claims
0268US5581644ATransmission line switching apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Dec 3, 1996·27 cites·40 claims
0362US5386485AOptical fiber switching device having an optical fiber length adjustment unit and method for using the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Jan 31, 1995·19 cites·40 claims
0450US5661826ATransmission line switching apparatusSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Aug 26, 1997·13 cites·4 claims
0547US5504825AOptical fiber switching device and methodSUMITOMO ELECTRIC INDUSTRIES·Filed 1994·Granted Apr 2, 1996·10 cites·20 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →