Inventor · disambiguated record
Keiichi Kuba
Also filed as: KUBA KEIICHI
14 granted patents·1 pending application·469 citations·filing 1991–2009
94Inventor score
Top patents by PatentIndex Score
15 records- 0188US5909325AImage display apparatusOLYMPUS OPTICAL CO·Filed 1996·Granted Jun 1, 1999·91 cites·14 claims
- 0286US5170207AProjection lens systemOLYMPUS OPTICAL CO·Filed 1991·Granted Dec 8, 1992·63 cites·13 claims
- 0385US5623365ADiffractive optical element for use within a projection lens systemOLYMPUS OPTICAL CO·Filed 1994·Granted Apr 22, 1997·69 cites·28 claims
- 0483US5467205AImage display system with right and left eye illuminating meansOLYMPUS OPTICAL CO·Filed 1994·Granted Nov 14, 1995·60 cites·8 claims
- 0579US7079328B2Path-bending zoom optical systemOLYMPUS CORP·Filed 2003·Granted Jul 18, 2006·18 cites·7 claims
- 0679US5661604AImage display apparatusOLYMPUS OPTICAL CO·Filed 1994·Granted Aug 26, 1997·49 cites·20 claims
- 0777US5812100AImage display apparatusOLYMPUS OPTICAL CO·Filed 1995·Granted Sep 22, 1998·52 cites·21 claims
- 0874US7509046B2Optical system, finder optical system, relay type finder optical system, eyepiece optical system, and single-lens reflex cameraOLYMPUS IMAGING CORP·Filed 2006·Granted Mar 24, 2009·4 cites·12 claims
- 0974US7042651B2Vari-focal optical systemOLYMPUS CORP·Filed 2004·Granted May 9, 2006·15 cites·29 claims
- 1070US7123425B2Light path reflecting optical system and apparatus provided with the sameOLYMPUS CORP·Filed 2004·Granted Oct 17, 2006·12 cites·57 claims
- 1169US8564756B2Optical system and image pick-up device provided with the sameKUBA KEIICHI·Filed 2008·Granted Oct 22, 2013·4 cites·10 claims
- 1262US7085072B2Optical path bending optical system and electronic apparatus using the sameOLYMPUS CORP·Filed 2004·Granted Aug 1, 2006·7 cites·30 claims
- 1359US5805341AHead or face mounted image display apparatusOLYMPUS OPTICAL CO·Filed 1996·Granted Sep 8, 1998·22 cites·12 claims
- 1452US6795223B2Scanning optical systemOLYMPUS CORP·Filed 2002·Granted Sep 21, 2004·3 cites·13 claims
- 1552US2009220224A1Optical system, finder optical system, relay type finder optical system, eyepiece optical system, and single-lens reflex cameraTOCHIGI AKIYOSHI·Filed 2009·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →