Inventor · disambiguated record
Seiji Kitayama
Also filed as: KITAYAMA SEIJI
3 granted patents·2 pending applications·66 citations·filing 1993–2006
71Inventor score
Top patents by PatentIndex Score
5 records- 0160US5452286ADigital transmission apparatus for subscribers having switching function from active transmission line to protection transmission lineFUJITSU LTD·Filed 1993·Granted Sep 19, 1995·36 cites·13 claims
- 0251US5453989ASubscriber digital transmission systemFUJITSU LTD·Filed 1994·Granted Sep 26, 1995·28 cites·14 claims
- 0350US7154897B2Gateway digital loop carrier deviceFUJITSU LTD·Filed 2001·Granted Dec 26, 2006·2 cites·10 claims
- 0443US2007071020A1Gateway digital loop carrier deviceKITAYAMA SEIJI·Filed 2006·Application pending·0 cites
- 0538US2004167978A1Communication apparatusFiled 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →