Inventor · disambiguated record
Katsumi Itoyama
Also filed as: ITOYAMA KATSUMI
3 granted patents·50 citations·filing 1990–1993
72Inventor score
Technology areasH04M
Files withTOSHIBA KK3
Top patents by PatentIndex Score
3 records- 0155US5422951ALow profile telephone setTOSHIBA KK·Filed 1993·Granted Jun 6, 1995·29 cites·5 claims
- 0240US5185791ACombination desk and wall telephone setTOSHIBA KK·Filed 1990·Granted Feb 9, 1993·12 cites·3 claims
- 0336US5303292ALow profile telephone setTOSHIBA KK·Filed 1992·Granted Apr 12, 1994·9 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →