Inventor · disambiguated record
Keiichi Den
Also filed as: DEN KEIICHI
2 granted patents·1 pending application·25 citations·filing 2000–2021
54Inventor score
Top patents by PatentIndex Score
3 records- 0167US6720662B1Semiconductor device of chip-on-chip structure with a radiation noise shieldROHM CO LTD·Filed 2000·Granted Apr 13, 2004·25 cites·19 claims
- 0251US11166063B1Enhanced set-top box controlROVI GUIDES INC·Filed 2020·Granted Nov 2, 2021·0 cites·18 claims
- 0348US2022182702A1Enhanced set-top box controlROVI GUIDES INC·Filed 2021·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →