Inventor · disambiguated record
Masaki Imaizumi
Also filed as: IMAIZUMI MASAKI
15 granted patents·173 citations·filing 1982–1996
93Inventor score
Files withOLYMPUS OPTICAL CO15
Top patents by PatentIndex Score
15 records- 0169US5727239APhotographing optical apparatusOLYMPUS OPTICAL CO·Filed 1996·Granted Mar 10, 1998·38 cites·19 claims
- 0259US4562344AAutomatic focus detecting mechanism for endoscopesOLYMPUS OPTICAL CO·Filed 1982·Granted Dec 31, 1985·17 cites·6 claims
- 0353US4708442AVarifocal lens systemOLYMPUS OPTICAL CO·Filed 1985·Granted Nov 24, 1987·15 cites·4 claims
- 0453US4558928AFocusing method for a telephoto lens systemOLYMPUS OPTICAL CO·Filed 1983·Granted Dec 17, 1985·12 cites·7 claims
- 0552US5148321ACompact zoom lens systemOLYMPUS OPTICAL CO·Filed 1991·Granted Sep 15, 1992·16 cites·11 claims
- 0649US4693566AZoom lens systemOLYMPUS OPTICAL CO·Filed 1984·Granted Sep 15, 1987·11 cites·5 claims
- 0746US4715693AVari-focal photographic lens system of rear lens group exchange typeOLYMPUS OPTICAL CO·Filed 1985·Granted Dec 29, 1987·11 cites·4 claims
- 0845US5321457AReal image type finder system that changes an aspect ratio of a visual field by varying magnificationOLYMPUS OPTICAL CO·Filed 1993·Granted Jun 14, 1994·12 cites·5 claims
- 0942US5598296APrismatic telescope optical systemOLYMPUS OPTICAL CO·Filed 1995·Granted Jan 28, 1997·10 cites·7 claims
- 1041US5581400AFinder optical system with low-hygroscopic organic materialOLYMPUS OPTICAL CO·Filed 1994·Granted Dec 3, 1996·9 cites·10 claims
- 1136US5731905AEyepiece lens systemOLYMPUS OPTICAL CO·Filed 1996·Granted Mar 24, 1998·6 cites·7 claims
- 1236US5557464AWide-field eyepiece lens systemOLYMPUS OPTICAL CO·Filed 1995·Granted Sep 17, 1996·6 cites·4 claims
- 1333US4668054AVari-focal photographic lens system of lens group exchange typeOLYMPUS OPTICAL CO·Filed 1985·Granted May 26, 1987·4 cites·2 claims
- 1432US4653870ACompact vari-focal photographic lens systemOLYMPUS OPTICAL CO·Filed 1985·Granted Mar 31, 1987·3 cites·5 claims
- 1532US4609263ATelephoto lens system having an improved focusing arrangementOLYMPUS OPTICAL CO·Filed 1984·Granted Sep 2, 1986·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →