Inventor · disambiguated record
Tetsuo Iwaki
Also filed as: IWAKI TETSUO
24 granted patents·1 pending application·823 citations·filing 1985–2004
97Inventor score
Top patents by PatentIndex Score
25 records- 0194US6381208B1Optical recording medium and optical recording and reproducing apparatusSHARP KK·Filed 2000·Granted Apr 30, 2002·47 cites·8 claims
- 0293US5754226AImaging apparatus for obtaining a high resolution imageSHARP KK·Filed 1995·Granted May 19, 1998·197 cites·7 claims
- 0392US6388822B1Optical pickup device and optical recording mediumSHARP KK·Filed 2000·Granted May 14, 2002·37 cites·15 claims
- 0491US6507559B1Optical recording medium having light transparent cover layer smaller in outer diameter than substrateSHARP KK·Filed 2000·Granted Jan 14, 2003·34 cites·17 claims
- 0589US5414719AOperating circuit for galois fieldSHARP KK·Filed 1993·Granted May 9, 1995·70 cites·68 claims
- 0687US6741406B2Objective lens, optical pickup-device equipped with same and assembling method of sameSHARP KK·Filed 2001·Granted May 25, 2004·37 cites·18 claims
- 0787US6342978B1Pickup device for optical diskSHARP KK·Filed 2000·Granted Jan 29, 2002·24 cites·10 claims
- 0883US6108036AImaging apparatus having a spatial filter and image shifting mechanism controller based on an image modeSHARP KK·Filed 1997·Granted Aug 22, 2000·83 cites·14 claims
- 0977US6744568B2Objective lens, method for correcting manufacturing error thereof, and optical pick-up device using the sameSHARP KK·Filed 2002·Granted Jun 1, 2004·18 cites·24 claims
- 1077US5834761AImage input apparatus having a spatial filter controllerSHARP KABUSHIKI KAISAH·Filed 1997·Granted Nov 10, 1998·62 cites·17 claims
- 1175US6937381B2Optical pickup deviceSHARP KK·Filed 2002·Granted Aug 30, 2005·10 cites·8 claims
- 1275US6577341B1Imaging apparatusSHARP KK·Filed 1997·Granted Jun 10, 2003·52 cites·11 claims
- 1372US6266086B1Imaging apparatusSHARP KK·Filed 1997·Granted Jul 24, 2001·43 cites·4 claims
- 1469US5657082AImaging apparatus and method using interpolation processingSHARP KK·Filed 1995·Granted Aug 12, 1997·39 cites·16 claims
- 1563US7295504B2Beam shaping element, and light source unit and optical pickup using sameSHARP KK·Filed 2003·Granted Nov 13, 2007·5 cites·21 claims
- 1662US6438089B1Optical pickup deviceSHARP KK·Filed 2000·Granted Aug 20, 2002·4 cites·5 claims
- 1757US5517369AMulti-track magnetic signal reproducing apparatusSHARP KK·Filed 1994·Granted May 14, 1996·11 cites·27 claims
- 1856US6191894B1Zoom lens and imaging device incorporating the sameSHARP KK·Filed 1999·Granted Feb 20, 2001·19 cites·13 claims
- 1948US6456324B1Image shifting image pickup apparatus using filter for removing spatial frequency componentSHARP KK·Filed 1997·Granted Sep 24, 2002·13 cites·20 claims
- 2047US5668746AReproduced waveform equalization circuitSHARP KK·Filed 1994·Granted Sep 16, 1997·7 cites·2 claims
- 2146US7218813B2Optical communication systemSHARP KK·Filed 2003·Granted May 15, 2007·1 cites·20 claims
- 2244US5173815ARecording position compensation circuit for use in digital information recording-reproduction apparatusSHARP KK·Filed 1991·Granted Dec 22, 1992·6 cites·16 claims
- 2342US7319820B2Method of manufacturing optical communication systemSHARP KK·Filed 2003·Granted Jan 15, 2008·0 cites·5 claims
- 2439US2007114547A1Optical element sealing structure, optical coupler, and optical element sealing methodSHARP KK·Filed 2004·Application pending·0 cites
- 2536US4812987AWave shaping circuitSHARP KK·Filed 1985·Granted Mar 14, 1989·4 cites·8 claims
Join the waitlist — get patent alerts
Get an alert when Tetsuo Iwaki 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 →