Inventor · disambiguated record
Tsuyoshi Itoh
Also filed as: ITOH TSUYOSHI
14 granted patents·1 pending application·189 citations·filing 1990–2022
92Inventor score
Top patents by PatentIndex Score
15 records- 0186US5157459AWave front aberration measuring apparatusASAHI OPTICAL CO LTD·Filed 1990·Granted Oct 20, 1992·31 cites·16 claims
- 0282US5297114AMagneto-optic recording/reproduction apparatus for minimizing variation in focusing error signals caused by variation in optical source wavelengthASAHI OPTICAL CO LTD·Filed 1991·Granted Mar 22, 1994·35 cites·7 claims
- 0379US5317144AWave front aberration measuring apparatus having means for adjusting position of collimator lensASAHI OPTICAL CO LTD·Filed 1992·Granted May 31, 1994·20 cites·11 claims
- 0470US5223970AOptical axis adjusting mechanism and method for optical information recording and reproducing device, and jig thereforASAHI OPTICAL CO LTD·Filed 1990·Granted Jun 29, 1993·35 cites·9 claims
- 0569US7047859B2Optical recording medium-manufacturing apparatusTDK CORP·Filed 2004·Granted May 23, 2006·8 cites·6 claims
- 0667US5410532AMethod for a adjusting a beam splitter in an optical recording and reproducing apparatusASAHI OPTICAL CO LTD·Filed 1993·Granted Apr 25, 1995·21 cites·12 claims
- 0761US9063444B2Developing agent and method of manufacturing the sameTOSHIBA TEC KK·Filed 2013·Granted Jun 23, 2015·0 cites·6 claims
- 0859US7270527B2Optical recording medium-manufacturing apparatusTDK CORP·Filed 2004·Granted Sep 18, 2007·8 cites·6 claims
- 0957US5373437ADevice for and method of reducing cross talk in optical disk deviceASAHI OPTICAL CO LTD·Filed 1991·Granted Dec 13, 1994·11 cites·17 claims
- 1056US5280464AOptical disk apparatus having a focusing error correcting systemASAHI OPTICAL CO LTD·Filed 1991·Granted Jan 18, 1994·10 cites·4 claims
- 1154US7096770B2Optical recording medium-manufacturing apparatusTDK CORP·Filed 2004·Granted Aug 29, 2006·6 cites·8 claims
- 1251US12170293B2Array substrate, display device, and method of producing array substrateSHARP DISPLAY TECHNOLOGY CORP·Filed 2022·Granted Dec 17, 2024·0 cites·12 claims
- 1348US2004149115A1Cut-forming machine and optical recording medium-manufacturing apparatusTDK CORP·Filed 2004·Application pending·0 cites
- 1444US5557598ABeam splitter inspection apparatus and methodASAHI OPTICAL CO LTD·Filed 1995·Granted Sep 17, 1996·4 cites·30 claims
- 1531US8686480B2Semiconductor device and method for manufacturing sameITOH TSUYOSHI·Filed 2011·Granted Apr 1, 2014·0 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →