Inventor · disambiguated record
Akiyoshi Torigai
Also filed as: TORIGAI AKIYOSHI
13 granted patents·187 citations·filing 1975–1984
92Inventor score
Files withCANON KK13
Top patents by PatentIndex Score
13 records- 0195US3987756ADeveloping deviceCANON KK·Filed 1975·Granted Oct 26, 1976·48 cites·12 claims
- 0283US4080062AVariable magnification optical mechanismCANON KK·Filed 1976·Granted Mar 21, 1978·21 cites·18 claims
- 0382US3990792AReciprocating movement control deviceCANON KK·Filed 1975·Granted Nov 9, 1976·19 cites·14 claims
- 0479US4325628ACleaning device for an image forming apparatusCANON KK·Filed 1979·Granted Apr 20, 1982·18 cites·4 claims
- 0579US4095879AColor copying apparatusCANON KK·Filed 1976·Granted Jun 20, 1978·19 cites·19 claims
- 0671US4426151ACleaning device for cleaning an image bearing member with developerCANON KK·Filed 1981·Granted Jan 17, 1984·17 cites·16 claims
- 0765US4319836AOptical device of a copying apparatusCANON KK·Filed 1979·Granted Mar 16, 1982·6 cites·14 claims
- 0863US4361399AApparatus for releasing a sheet-registration mechanismCANON KK·Filed 1980·Granted Nov 30, 1982·12 cites·4 claims
- 0962US4636062AImage forming apparatusCANON KK·Filed 1984·Granted Jan 13, 1987·7 cites·12 claims
- 1060US4497573AVariable magnification optical apparatusCANON KK·Filed 1982·Granted Feb 5, 1985·11 cites·37 claims
- 1140US4459016AProjection deviceCANON KK·Filed 1982·Granted Jul 10, 1984·4 cites·13 claims
- 1240US4297969AMagnetic powder transporting deviceCANON KK·Filed 1979·Granted Nov 3, 1981·3 cites·14 claims
- 1336US4141644ACorona discharge means in an image formation apparatusCANON KK·Filed 1977·Granted Feb 27, 1979·2 cites·7 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →