Inventor · disambiguated record
Katsuhiro Kakizawa
Also filed as: KAKIZAWA KATSUHIRO
9 granted patents·153 citations·filing 1989–1997
89Inventor score
Files withCANON KK9
Top patents by PatentIndex Score
9 records- 0172US4991203ALine switching apparatus and methodCANON KK·Filed 1989·Granted Feb 5, 1991·34 cites·24 claims
- 0265US5586172ATelephone exchange systemCANON KK·Filed 1994·Granted Dec 17, 1996·40 cites·43 claims
- 0364US5153908AAutomatic redial in a key telephone system having different line typesCANON KK·Filed 1991·Granted Oct 6, 1992·40 cites·12 claims
- 0444US5054058ATelephone and telephone system having improved one-touch callingCANON KK·Filed 1990·Granted Oct 1, 1991·14 cites·8 claims
- 0539US6111942ACommunication transfer apparatusCANON KK·Filed 1997·Granted Aug 29, 2000·8 cites·53 claims
- 0636US4996708AKey telephone system adapted to respond to information stored in a portable outpulserCANON KK·Filed 1989·Granted Feb 26, 1991·4 cites·54 claims
- 0733US6094563ACommunication apparatusCANON KK·Filed 1996·Granted Jul 25, 2000·7 cites·24 claims
- 0832US5915014ACommunication systemCANON KK·Filed 1996·Granted Jun 22, 1999·3 cites·32 claims
- 0932US5835180ATelephone and key telephone system having electronic directory functionCANON KK·Filed 1995·Granted Nov 10, 1998·3 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →