Inventor · disambiguated record
Yoshinari Hamanishi
Also filed as: HAMANISHI YOSHINARI
28 granted patents·467 citations·filing 1978–1996
97Inventor score
Top patents by PatentIndex Score
28 records- 0184US4796045APhoto-taking lens assembly having an automatically and manually movable lensNIKON CORP·Filed 1988·Granted Jan 3, 1989·22 cites·32 claims
- 0279US4841325AAutomatic focusing device for cameraNIKON CORP·Filed 1988·Granted Jun 20, 1989·40 cites·17 claims
- 0372US4812868ADetecting apparatus for focus in cameraNIKON CORP·Filed 1988·Granted Mar 14, 1989·29 cites·20 claims
- 0471US5978150AZoom lensNIKON CORP·Filed 1996·Granted Nov 2, 1999·47 cites·42 claims
- 0568US5272564AZoom lens of internal focusing systemNIKON CORP·Filed 1991·Granted Dec 21, 1993·30 cites·35 claims
- 0667US5172154ASystem cameraNIKON CORP·Filed 1991·Granted Dec 15, 1992·13 cites·15 claims
- 0766US5136430AInner focusing type telephoto zoom lensNIKON CORP·Filed 1991·Granted Aug 4, 1992·28 cites·32 claims
- 0864US5126883ATelephoto zoom lensNIKON CORP·Filed 1990·Granted Jun 30, 1992·41 cites·19 claims
- 0964US4206971ARear conversion lensNIPPON KOGAKU KK·Filed 1978·Granted Jun 10, 1980·18 cites·5 claims
- 1063US4641928AFour-group telephoto zoom lensNIPPON KOGAKU KK·Filed 1984·Granted Feb 10, 1987·18 cites·17 claims
- 1163US4260223ALens system for photographing objects from infinity to a very short distanceNIPPON KOGAKU KK·Filed 1979·Granted Apr 7, 1981·17 cites·10 claims
- 1261US5253112ARear conversion lensNIKON CORP·Filed 1992·Granted Oct 12, 1993·23 cites·13 claims
- 1360US4223981ATelephoto zoom lensNIPPON KOGAKU KK·Filed 1978·Granted Sep 23, 1980·16 cites·19 claims
- 1456US4591234ARear focus conversion lensNIPPON KOGAKU KK·Filed 1983·Granted May 27, 1986·14 cites·32 claims
- 1553US5007720ALens system enabling close distance photographingNIKON CORP·Filed 1990·Granted Apr 16, 1991·17 cites·8 claims
- 1653US4804991AAuto focusing light deviceNIKON CORP·Filed 1988·Granted Feb 14, 1989·15 cites·28 claims
- 1750US4653877ARear-focus conversion device lens for telephoto lensNIPPON KOGAKU KK·Filed 1984·Granted Mar 31, 1987·11 cites·20 claims
- 1846US5257137APhoto-taking lens for an underwater cameraNIKON CORP·Filed 1992·Granted Oct 26, 1993·12 cites·13 claims
- 1944US4621909APhotographic lens of a great aperture ratioNIPPON KOGAKU KK·Filed 1983·Granted Nov 11, 1986·8 cites·10 claims
- 2044US4392724ALens system capable of short distance photographyNIPPON KOGAKU KK·Filed 1981·Granted Jul 12, 1983·8 cites·10 claims
- 2141US4395094ALarge aperture ratio photographic lens with means for correcting aberrationsNIPPON KOGAKU KK·Filed 1981·Granted Jul 26, 1983·7 cites·8 claims
- 2239US5231444ACamera system including rear conversion lensNIKON CORP·Filed 1991·Granted Jul 27, 1993·8 cites·6 claims
- 2339US4452513AZoom lens capable of close range photography and method of focusing the same to a short distanceNIPPON KOGAKU KK·Filed 1982·Granted Jun 5, 1984·6 cites·10 claims
- 2437US4514051ARear conversion lensNIPPON KOGAKU KK·Filed 1984·Granted Apr 30, 1985·5 cites·11 claims
- 2537US4468097AFour-group great aperture ratio zoom lensNIPPON KOGAKU KK·Filed 1982·Granted Aug 28, 1984·5 cites·9 claims
- 2636US4653871ARear conversion lensNIPPON KOGAKU KK·Filed 1984·Granted Mar 31, 1987·4 cites·9 claims
- 2734US4655558ARear focus conversion lens apparatusNIPPON KOGAKU KK·Filed 1984·Granted Apr 7, 1987·3 cites·28 claims
- 2831US4468096AFour-group telephoto zoom lensNIPPON KOGAKU KK·Filed 1982·Granted Aug 28, 1984·2 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →