Inventor · disambiguated record
Ichiro Kasai
Also filed as: KASAI ICHIRO
37 granted patents·4 pending applications·993 citations·filing 1986–2009
98Inventor score
Files withMINOLTA CO LTD24SANTA BARBARA RES CENTER7MINOLTA CAMERA KK4KONICA MINOLTA PHOTO IMAGING3KASAI ICHIRO1
Top patents by PatentIndex Score
41 records- 0196US6771403B1Image display apparatusMINOLTA CO LTD·Filed 2003·Granted Aug 3, 2004·107 cites·15 claims
- 0294US4783594AReticular detector arraySANTA BARBARA RES CENTER·Filed 1987·Granted Nov 8, 1988·101 cites·19 claims
- 0391US6323999B1Image display apparatusMINOLTA CO LTD·Filed 2000·Granted Nov 27, 2001·50 cites·11 claims
- 0491US4730158AElectron-beam probing of photodiodesSANTA BARBARA RES CENTER·Filed 1986·Granted Mar 8, 1988·120 cites·20 claims
- 0589US6429954B1Image display deviceMINOLTA CO LTD·Filed 2000·Granted Aug 6, 2002·42 cites·15 claims
- 0689US6335838B1Image display apparatusMINOLTA CO LTD·Filed 2000·Granted Jan 1, 2002·42 cites·35 claims
- 0787US6116739AColor projection display apparatusMINOLTA CO LTD·Filed 1999·Granted Sep 12, 2000·89 cites·23 claims
- 0886US4639756AGraded gap inversion layer photodiode arraySANTA BARBARA RES CENTER·Filed 1986·Granted Jan 27, 1987·66 cites·17 claims
- 0985US7019798B2Display deviceMINOLTA CO LTD·Filed 2003·Granted Mar 28, 2006·30 cites·11 claims
- 1085US6447122B1Projection image display device using a reflective type display elementMINOLTA CO LTD·Filed 1999·Granted Sep 10, 2002·68 cites·18 claims
- 1183US6352346B1Image forming optical system employing a reflective type spatial light modulatorMINOLTA CO LTD·Filed 2000·Granted Mar 5, 2002·18 cites·16 claims
- 1281US5130855AViewfinder optical systemMINOLTA CAMERA KK·Filed 1989·Granted Jul 14, 1992·18 cites·14 claims
- 1380US6816132B2Image display apparatusMINOLTA CO LTD·Filed 2001·Granted Nov 9, 2004·22 cites·42 claims
- 1479US6657602B2Image display apparatusMINOLTA CO LTD·Filed 2000·Granted Dec 2, 2003·20 cites·20 claims
- 1578US7019715B1Head-mounted image display apparatusMINOLTA CO LTD·Filed 2000·Granted Mar 28, 2006·19 cites·9 claims
- 1671US7898502B2Image display apparatus and head-mounted displayKONICA MINOLTA HOLDINGS INC·Filed 2007·Granted Mar 1, 2011·5 cites·25 claims
- 1771US7468843B2Optical system and display apparatusMINOLTA CO LTD·Filed 2006·Granted Dec 23, 2008·4 cites·15 claims
- 1868US6919976B2Information display deviceMINOLTA CO LTD·Filed 2004·Granted Jul 19, 2005·9 cites·27 claims
- 1966US6885484B2Optical system and method for fabricating a holographic optical elementMINOLTA CO LTD·Filed 2003·Granted Apr 26, 2005·9 cites·10 claims
- 2065US7136228B2Optical system and display apparatusMINOLTA CO LTD·Filed 2003·Granted Nov 14, 2006·7 cites·9 claims
- 2165US6914726B2Optical apparatus and viewing optical system thereof which is capable of displaying informationMINOLTA CO LTD·Filed 1999·Granted Jul 5, 2005·8 cites·12 claims
- 2264US7835050B2Optical holographic device with a hologram optical element on an area smaller than an irradiation area, holographic image display device and head mounted display with a hologram optical element on an area smaller than an irradiation areaKONICA MINOLTA PHOTO IMAGING·Filed 2006·Granted Nov 16, 2010·3 cites·11 claims
- 2364US5262633AWideband anti-reflection coating for indium antimonide photodetector device and method of forming the sameSANTA BARBARA RES CENTER·Filed 1992·Granted Nov 16, 1993·32 cites·24 claims
- 2460US7460286B2Method for producing an optical device, optical device, image display apparatus, and head-mounted displayKONICA MINOLTA PHOTO IMAGING·Filed 2005·Granted Dec 2, 2008·2 cites·14 claims
- 2559US5194886AFinder optical systemMINOLTA CAMERA KK·Filed 1991·Granted Mar 16, 1993·20 cites·17 claims
- 2657US6937209B1Image display systemMINOLTA CO LTD·Filed 2000·Granted Aug 30, 2005·5 cites·8 claims
- 2755US2010327387A1Avalanche PhotodiodeKASAI ICHIRO·Filed 2009·Application pending·0 cites
- 2850US6377405B2Zoom optical systemMINOLTA CO LTD·Filed 2001·Granted Apr 23, 2002·2 cites·18 claims
- 2949US5646437AIndium antimonide (InSb) photodetector device and structure for infrared, visible and ultraviolet radiationSANTA BARBARA RES CENTER·Filed 1994·Granted Jul 8, 1997·14 cites·15 claims
- 3048US5449943AVisible and infrared indium antimonide (INSB) photodetector with non-flashing light receiving surfaceSANTA BARBARA RES CENTER·Filed 1994·Granted Sep 12, 1995·15 cites·12 claims
- 3147US4926201AFinder optical systemMINOLTA CAMERA KK·Filed 1989·Granted May 15, 1990·11 cites·11 claims
- 3246US5946147ARoof prismMINOLTA CO LTD·Filed 1995·Granted Aug 31, 1999·10 cites·8 claims
- 3346US2006152782A1Optical device, image display apparatus, and head-mounted displayKONICA MINOLTA PHOTO IMAGING·Filed 2005·Application pending·0 cites
- 3442US2001031099A1Image processing system, image sensing device, and computer programFiled 2001·Application pending·0 cites
- 3541US6259569B1Zoom optical systemMINOLTA CO LTD·Filed 1998·Granted Jul 10, 2001·7 cites·14 claims
- 3640US2001033401A1Information display deviceMINOLTA CO LTD·Filed 2001·Application pending·0 cites
- 3739US5627618ACompact high-zoom-ratio real-image finderMINOLTA CAMERA KK·Filed 1994·Granted May 6, 1997·7 cites·8 claims
- 3832US6115186AScanning type image viewing optical systemMINOLTA CO LTD·Filed 1999·Granted Sep 5, 2000·2 cites·6 claims
- 3931US6097526AScanning type image viewing optical systemMINOLTA CO LTD·Filed 1999·Granted Aug 1, 2000·1 cites·6 claims
- 4031US5086328APhoto-anodic oxide surface passivation for semiconductorsSANTA BARBARA RES CENTER·Filed 1990·Granted Feb 4, 1992·8 cites·12 claims
- 4130US5717966ACamera capable of metering light transmitting through a viewfinderMINOLTA CO LTD·Filed 1996·Granted Feb 10, 1998·0 cites·10 claims
Join the waitlist — get patent alerts
Get an alert when Ichiro Kasai 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 →