Inventor · disambiguated record
Masatake Kato
Also filed as: KATO MASATAKA · KATO MASATAKE
45 granted patents·616 citations·filing 1981–2002
98Inventor score
Files withCANON KK45
Top patents by PatentIndex Score
45 records- 0191US4969723AParallax adjusting mechanism for a finder deviceCANON KK·Filed 1988·Granted Nov 13, 1990·37 cites·1 claims
- 0282US5682203ASolid-state image sensing device and photo-taking system utilizing condenser type micro-lensesCANON KK·Filed 1993·Granted Oct 28, 1997·59 cites·9 claims
- 0380US7193651B2Camera system, lens apparatus and cameraCANON KK·Filed 2002·Granted Mar 20, 2007·19 cites·13 claims
- 0480US4855814AVideo camera body and detachable lens each containing a memory for storing signals indicative of spectral characteristicsCANON KK·Filed 1988·Granted Aug 8, 1989·36 cites·34 claims
- 0579US4912500ASingle lens reflex cameraCANON KK·Filed 1989·Granted Mar 27, 1990·16 cites·17 claims
- 0678US4682237APhotographic optical apparatusCANON KK·Filed 1985·Granted Jul 21, 1987·16 cites·28 claims
- 0773US6148031AImage processing apparatus and methodCANON KK·Filed 1997·Granted Nov 14, 2000·43 cites·14 claims
- 0873US4687302AZoom lensCANON KK·Filed 1986·Granted Aug 18, 1987·31 cites·11 claims
- 0967US4455071ALight measuring instrument for a single lens reflex cameraCANON KK·Filed 1982·Granted Jun 19, 1984·8 cites·1 claims
- 1065US6467912B1Projection optical system and projection apparatusCANON KK·Filed 1999·Granted Oct 22, 2002·8 cites·6 claims
- 1165US4573781AViewfinder having two image planesCANON KK·Filed 1984·Granted Mar 4, 1986·7 cites·5 claims
- 1264US4571031AWide angle zoom objectiveCANON KK·Filed 1983·Granted Feb 18, 1986·18 cites·8 claims
- 1362US4702567AZoom lensCANON KK·Filed 1987·Granted Oct 27, 1987·21 cites·5 claims
- 1462US4677489AImage pickup apparatusCANON KK·Filed 1985·Granted Jun 30, 1987·17 cites·19 claims
- 1560US4833498ACameraCANON KK·Filed 1988·Granted May 23, 1989·15 cites·22 claims
- 1659US5790902AZoom lensCANON KK·Filed 1997·Granted Aug 4, 1998·22 cites·4 claims
- 1757US4763998ACompact zoom lensCANON KK·Filed 1986·Granted Aug 16, 1988·17 cites·7 claims
- 1857US4609272AFinder system of high image magnificationCANON KK·Filed 1985·Granted Sep 2, 1986·7 cites·16 claims
- 1956US4592636AView finder optical systemCANON KK·Filed 1985·Granted Jun 3, 1986·17 cites·12 claims
- 2056US4565433AViewfinder for cameraCANON KK·Filed 1984·Granted Jan 21, 1986·5 cites·7 claims
- 2155US4910545AFinder optical systemCANON KK·Filed 1988·Granted Mar 20, 1990·16 cites·16 claims
- 2254US4523828AFocus detecting deviceCANON KK·Filed 1984·Granted Jun 18, 1985·12 cites·6 claims
- 2351US6104548AZoom lensCANON KK·Filed 1995·Granted Aug 15, 2000·15 cites·19 claims
- 2450US4653874AZoom lensCANON KK·Filed 1986·Granted Mar 31, 1987·13 cites·10 claims
- 2549US4964686AFinder optical deviceCANON KK·Filed 1988·Granted Oct 23, 1990·12 cites·9 claims
- 2648US4464023ALarge relative aperture objectiveCANON KK·Filed 1981·Granted Aug 7, 1984·10 cites·2 claims
- 2747US4998801AOptical low-pass filter and photographic system using the sameCANON KK·Filed 1989·Granted Mar 12, 1991·11 cites·4 claims
- 2847US4789227AZoom lensCANON KK·Filed 1987·Granted Dec 6, 1988·11 cites·7 claims
- 2947US4650291AZoom lensCANON KK·Filed 1983·Granted Mar 17, 1987·9 cites·2 claims
- 3046US4621905AFast compact zoom lensCANON KK·Filed 1984·Granted Nov 11, 1986·9 cites·2 claims
- 3146US4478496AZoom lensCANON KK·Filed 1982·Granted Oct 23, 1984·9 cites·2 claims
- 3244US4687303AZoom lens systemCANON KK·Filed 1984·Granted Aug 18, 1987·8 cites·4 claims
- 3343US4684223AZoom lens of the rear focusing typeCANON KK·Filed 1986·Granted Aug 4, 1987·9 cites·3 claims
- 3442US4553823ALarge relative aperture objective lensCANON KK·Filed 1982·Granted Nov 19, 1985·7 cites·2 claims
- 3541US4456341AZoom objectiveCANON KK·Filed 1982·Granted Jun 26, 1984·7 cites·2 claims
- 3641US4390251APhotographic objectives of relatively large apertureCANON KK·Filed 1981·Granted Jun 28, 1983·7 cites·1 claims
- 3740US4712883ARear focus zoom lensCANON KK·Filed 1984·Granted Dec 15, 1987·6 cites·20 claims
- 3837US4973995ACamera system and attachment lens with integral lens sectionsCANON KK·Filed 1989·Granted Nov 27, 1990·2 cites·11 claims
- 3937US4639095ATelephoto zoom lensCANON KK·Filed 1983·Granted Jan 27, 1987·5 cites·3 claims
- 4037US4466710ALarge relative aperture objective lensCANON KK·Filed 1981·Granted Aug 21, 1984·5 cites·3 claims
- 4136US4854681ACompact zoom lensCANON KK·Filed 1986·Granted Aug 8, 1989·5 cites·13 claims
- 4236US4571033AZoom lensCANON KK·Filed 1984·Granted Feb 18, 1986·4 cites·2 claims
- 4334US4630899AZoom lens having movable diaphragmCANON KK·Filed 1983·Granted Dec 23, 1986·3 cites·7 claims
- 4431US4618220ATelephoto zoom lensCANON KK·Filed 1985·Granted Oct 21, 1986·2 cites·3 claims
- 4530US5173805AFocusing method for zoom lensCANON KK·Filed 1990·Granted Dec 22, 1992·0 cites·5 claims
Join the waitlist — get patent alerts
Get an alert when Masatake Kato 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 →