Inventor · disambiguated record
L. Leonard Hacker
Also filed as: HACKER L LEONARD
5 granted patents·773 citations·filing 1997–2011
85Inventor score
Top patents by PatentIndex Score
5 records- 0195US6988075B1Patient-controlled medical information system and methodHACKER L LEONARD·Filed 2000·Granted Jan 17, 2006·565 cites·46 claims
- 0281US8383923B2System and method for musical game playing and trainingHACKER L LEONARD·Filed 2011·Granted Feb 26, 2013·5 cites·18 claims
- 0381US6271453B1Musical blocks and clocksHACKER L LEONARD·Filed 1999·Granted Aug 7, 2001·119 cites·7 claims
- 0470US5949010AMusical blocks21ST CENTURY IDEAS LTD·Filed 1997·Granted Sep 7, 1999·75 cites·19 claims
- 0530US6292812B1System for issuing and developing investiture certificates and other documentsHACKER L LEONARD·Filed 1998·Granted Sep 18, 2001·9 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →