Inventor · disambiguated record
Yasuji Sumida
Also filed as: SUMIDA YASUJI
10 granted patents·109 citations·filing 1979–1987
90Inventor score
Files withMITA INDUSTRIAL CO LTD10
Top patents by PatentIndex Score
10 records- 0182US4815724ASheet feeding mechanismMITA INDUSTRIAL CO LTD·Filed 1987·Granted Mar 28, 1989·27 cites·2 claims
- 0279US4671644AElectrostatic copying apparatus with openable housingMITA INDUSTRIAL CO LTD·Filed 1985·Granted Jun 9, 1987·19 cites·21 claims
- 0371US4711550AElectrostatic copying apparatusMITA INDUSTRIAL CO LTD·Filed 1986·Granted Dec 8, 1987·14 cites·7 claims
- 0469US4734738ACopying apparatusMITA INDUSTRIAL CO LTD·Filed 1986·Granted Mar 29, 1988·17 cites·30 claims
- 0566US4693586AElectrostatic copying apparatusMITA INDUSTRIAL CO LTD·Filed 1986·Granted Sep 15, 1987·12 cites·26 claims
- 0653US4362076AElectrostatic copying apparatusMITA INDUSTRIAL CO LTD·Filed 1980·Granted Dec 7, 1982·7 cites·2 claims
- 0738US4295731AElectrostatic copying apparatusMITA INDUSTRIAL CO LTD·Filed 1979·Granted Oct 20, 1981·4 cites·6 claims
- 0836US4357101AMechanism for supporting an original document cover lid of an electrostatic copying apparatusMITA INDUSTRIAL CO LTD·Filed 1980·Granted Nov 2, 1982·4 cites·3 claims
- 0933US4725869ADisplay device of copying machineMITA INDUSTRIAL CO LTD·Filed 1986·Granted Feb 16, 1988·3 cites·2 claims
- 1032US4374616AImage-forming apparatus having a photosensitive member transfer mechanismMITA INDUSTRIAL CO LTD·Filed 1981·Granted Feb 22, 1983·2 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Yasuji Sumida files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →