Inventor · disambiguated record
Hirotsugu Tomizawa
Also filed as: TOMIZAWA HIROTSUGU
5 granted patents·570 citations·filing 1991–1999
85Inventor score
Files withSEGA ENTERPRISES KK5
Top patents by PatentIndex Score
5 records- 0196US5485176AInformation display system for electronically reading a bookSEGA ENTERPRISES KK·Filed 1994·Granted Jan 16, 1996·367 cites·5 claims
- 0287US6297812B1Information display system for electronically reading a bookSEGA ENTERPRISES KK·Filed 1999·Granted Oct 2, 2001·95 cites·12 claims
- 0385US6052117AInformation display system for electronically reading a bookSEGA ENTERPRISES KK·Filed 1995·Granted Apr 18, 2000·85 cites·8 claims
- 0456US5092808AAir action toy systemSEGA ENTERPRISES KK·Filed 1991·Granted Mar 3, 1992·19 cites·20 claims
- 0527US6469696B1Position detectorSEGA ENTERPRISES KK·Filed 1999·Granted Oct 22, 2002·4 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →