Inventor · disambiguated record
Sadao Unuma
Also filed as: UNUMA SADAO
17 granted patents·82 citations·filing 1987–1997
92Inventor score
Top patents by PatentIndex Score
17 records- 0173US5048739AIntegral frame type paper feederTOKAI KOGYO CO LTD·Filed 1990·Granted Sep 17, 1991·21 cites·2 claims
- 0264US4826337AWeb feed tractorTOKAI KOGYO CO LTD·Filed 1987·Granted May 2, 1989·14 cites·4 claims
- 0347US5127568ALid for sheet feed tractorTOKAI KOGYO CO LTD·Filed 1991·Granted Jul 7, 1992·8 cites·4 claims
- 0446US5026328ABelt driving sprocket in paper feederTOKAI KOGYO CO LTD·Filed 1990·Granted Jun 25, 1991·8 cites·2 claims
- 0542US5165586APaper feed apparatus equipped with feed belt supportersTOKAI KOGYO CO LTD·Filed 1990·Granted Nov 24, 1992·6 cites·12 claims
- 0638US5172843AStructures of driving and driven sprockets and belt reception rotary member in paper feed apparatusTOKAI KOGYO CO LTD·Filed 1990·Granted Dec 22, 1992·4 cites·5 claims
- 0736US4789088APaper feeding deviceTOKAI KOGYO CO LTD·Filed 1988·Granted Dec 6, 1988·3 cites·5 claims
- 0835US5110025APaper feeder having a paper exhaustion detectorTOKAI KOGYO CO LTD·Filed 1990·Granted May 5, 1992·3 cites·5 claims
- 0935US4925076APaper feederTOKAI KOGYO CO LTD·Filed 1989·Granted May 15, 1990·3 cites·6 claims
- 1035US4773579AWeb feed tractorTOKAI KOGYO CO LTD·Filed 1987·Granted Sep 27, 1988·3 cites·2 claims
- 1134US4961526APaper feederTOKAI KOGYO CO LTD·Filed 1989·Granted Oct 9, 1990·3 cites·3 claims
- 1231US4940449APaper feed tractorTOKAI KOGYO CO LTD·Filed 1989·Granted Jul 10, 1990·2 cites·2 claims
- 1330US5002413APaper feed tractorTOKAI KOGYO CO LTD·Filed 1989·Granted Mar 26, 1991·1 cites·4 claims
- 1430US4836430APaper feed apparatusTOKAI KOGYO CO LTD·Filed 1988·Granted Jun 6, 1989·1 cites·5 claims
- 1529US5131578AClamper of paper feed tractorTOKAI KOGYO CO LTD·Filed 1991·Granted Jul 21, 1992·0 cites·13 claims
- 1627US4867591APaper feeding endless belt for printerTOYAI KOGYO KABUSHIKI KAISHA·Filed 1987·Granted Sep 19, 1989·2 cites·2 claims
- 1719US5797530ASheet feed tractorTOKAI KOGYO CO LTD·Filed 1997·Granted Aug 25, 1998·0 cites·14 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →