Inventor · disambiguated record
Yasuo Hirasawa
Also filed as: HIRASAWA YASUO
3 granted patents·20 citations·filing 1988–1989
67Inventor score
Technology areasH01J
Top patents by PatentIndex Score
3 records- 0157US4991074ALighting lampTOMOEGAWA PAPER CO LTD·Filed 1989·Granted Feb 5, 1991·10 cites·6 claims
- 0249US4954937ALighting lampTOMOEGAWA PAPER CO LTD·Filed 1989·Granted Sep 4, 1990·7 cites·14 claims
- 0333US4961024ACircular fluorescent lamp with oval section of tubeHITACHI LTD·Filed 1988·Granted Oct 2, 1990·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →