Inventor · disambiguated record
Ma H. Wai
Also filed as: WAI MA H
4 granted patents·288 citations·filing 1990–1995
82Inventor score
Top patents by PatentIndex Score
4 records- 0196US5607336ASubject specific, word/phrase selectable message delivering doll or action figureLEBENSFELD STEVEN·Filed 1995·Granted Mar 4, 1997·181 cites·1 claims
- 0277US5147237AToy audio deviceTOYMAX INC·Filed 1991·Granted Sep 15, 1992·37 cites·25 claims
- 0375US5073140AToy action figures and speech and sound effects accessory thereforLEBENSFELD STEVEN·Filed 1990·Granted Dec 17, 1991·53 cites·38 claims
- 0453US5092810AToy audio deviceLEBENSFELD STEVEN·Filed 1990·Granted Mar 3, 1992·17 cites·35 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →