Inventor · disambiguated record
Sumio Ando
Also filed as: ANDO SUMIO
3 granted patents·44 citations·filing 1976–1999
71Inventor score
Top patents by PatentIndex Score
3 records- 0161US6249927B1Duct-cleaning unitFiled 1999·Granted Jun 26, 2001·21 cites·20 claims
- 0245US4653134ACleaning apparatus for raw material transfer pipeANDO SUMIO·Filed 1985·Granted Mar 31, 1987·14 cites·5 claims
- 0339US4113410ALiquid-sealed type vacuum pumpOTSUKA NUTRITION RES INST·Filed 1976·Granted Sep 12, 1978·9 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →