Inventor · disambiguated record
Akiyasu Sumi
Also filed as: KAWAI TOHRU · OHTAKI SHOHEI · SUMI AKIYASU
17 granted patents·366 citations·filing 1977–1987
95Inventor score
Files withCANON KK17
Top patents by PatentIndex Score
17 records- 0197US4596454APhotographic lens barrel assemblyCANON KK·Filed 1983·Granted Jun 24, 1986·61 cites·3 claims
- 0294US4491401ADiaphragm deviceCANON KK·Filed 1984·Granted Jan 1, 1985·38 cites·4 claims
- 0394US4247190ALens assembly coupling device for camera systemCANON KK·Filed 1978·Granted Jan 27, 1981·31 cites·21 claims
- 0491US4230403AMounting for interchangeable camera lens assembly with diaphragm meansCANON KK·Filed 1978·Granted Oct 28, 1980·22 cites·37 claims
- 0584US4322154AMounting mechanism for the interchangeable lens assembly of a cameraCANON KK·Filed 1981·Granted Mar 30, 1982·18 cites·23 claims
- 0683US4605286AMotor built-in lens mountingCANON KK·Filed 1984·Granted Aug 12, 1986·41 cites·9 claims
- 0783US4310231AClose-up copy photography apparatusCANON KK·Filed 1979·Granted Jan 12, 1982·13 cites·3 claims
- 0882US4763150AMotor-built-in photographic lensCANON KK·Filed 1987·Granted Aug 9, 1988·19 cites·4 claims
- 0973US4806813AMotorCANON KK·Filed 1987·Granted Feb 21, 1989·37 cites·3 claims
- 1065US4386829AMechanical mounting system for a zoom lens assemblyCANON KK·Filed 1980·Granted Jun 7, 1983·20 cites·11 claims
- 1162US4536057AFilter mounting mechanism for an optical assemblyCANON KK·Filed 1984·Granted Aug 20, 1985·17 cites·3 claims
- 1256US4159168AExposure correction factor setting device for a cameraCANON KK·Filed 1977·Granted Jun 26, 1979·4 cites·7 claims
- 1355US4385023AMethod of making a lens barrel assemblyCANON KK·Filed 1981·Granted May 24, 1983·14 cites·3 claims
- 1449US4660933ALens driving deviceCANON KK·Filed 1986·Granted Apr 28, 1987·13 cites·11 claims
- 1546US4422740ALens assembly provided with an automatic focusing deviceCANON KK·Filed 1981·Granted Dec 27, 1983·9 cites·2 claims
- 1641US4465344ACam device for a photographing lens barrelCANON KK·Filed 1981·Granted Aug 14, 1984·7 cites·4 claims
- 1732US4459001AAutomatic focusing system with interrupt functionCANON KK·Filed 1982·Granted Jul 10, 1984·2 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →