Inventor · disambiguated record
Koichi Wakamiya
Also filed as: WAKAMIYA KOICHI
17 granted patents·292 citations·filing 1980–2008
94Inventor score
Top patents by PatentIndex Score
17 records- 0197US7554753B2Fish-eye lens and imaging deviceNIKON CORP·Filed 2008·Granted Jun 30, 2009·102 cites·20 claims
- 0284US4697901AParallax correcting device in the finder of a cameraNIPPON KOGAKU KK·Filed 1986·Granted Oct 6, 1987·22 cites·10 claims
- 0375US8237842B2Wide-angle lens and imaging apparatus equipped therewithWAKAMIYA KOICHI·Filed 2008·Granted Aug 7, 2012·10 cites·10 claims
- 0475US4768868ARear conversion lensNIPPON KOGAKU KK·Filed 1986·Granted Sep 6, 1988·35 cites·31 claims
- 0573US4448497AGreat aperture ratio lensNIPPON KOGAKU KK·Filed 1982·Granted May 15, 1984·28 cites·9 claims
- 0667US4707098AAlbada finderNIPPON KOGAKU KK·Filed 1986·Granted Nov 17, 1987·10 cites·18 claims
- 0763US4394073ACompact wide angle lensNIPPON KOGAKU KK·Filed 1980·Granted Jul 19, 1983·18 cites·6 claims
- 0862US5082360ACompound zoom lensNIKON CORP·Filed 1991·Granted Jan 21, 1992·24 cites·21 claims
- 0939US4871242ASoft-focus optical elementNIKON CORP·Filed 1988·Granted Oct 3, 1989·9 cites·9 claims
- 1038US4606615ABehind stop lensNIPPON KOGAKU KK·Filed 1983·Granted Aug 19, 1986·6 cites·6 claims
- 1136US4676607ABehind stop lensNIPPON KOGAKU KK·Filed 1985·Granted Jun 30, 1987·6 cites·7 claims
- 1236US4653887AChangeable magnification inverted galilean finderNIPPON KOGAKU KK·Filed 1985·Granted Mar 31, 1987·6 cites·11 claims
- 1336US4457596ABehind diaphragm lensNIPPON KOGAKU KK·Filed 1982·Granted Jul 3, 1984·5 cites·4 claims
- 1433US4836665AObjective lensNIKON CORP·Filed 1988·Granted Jun 6, 1989·4 cites·8 claims
- 1532US5050971AVariable focal length photo-taking optical systemNIKON CORP·Filed 1989·Granted Sep 24, 1991·2 cites·22 claims
- 1632US4832470AInverted galilean telescope type viewfinder system capable of changing over the magnificationNIKON CORP·Filed 1988·Granted May 23, 1989·3 cites·7 claims
- 1730US4705364AWide angle lensNIPPON KOGAKU KK·Filed 1986·Granted Nov 10, 1987·2 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →