Inventor · disambiguated record
Tsutomu Niwa
Also filed as: NIWA TSUTOMU
2 granted patents·1 pending application·58 citations·filing 1976–2010
65Inventor score
Top patents by PatentIndex Score
3 records- 0167US6790140B1Game machineARUZE CORP·Filed 2000·Granted Sep 14, 2004·36 cites·8 claims
- 0258US4042955AResin-sealed electrical deviceNIPPON DENSO CO·Filed 1976·Granted Aug 16, 1977·22 cites·3 claims
- 0337US2012187227A1Method and facility for sorting and separating waste plasticANDO KAZUO·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →