Inventor · disambiguated record
Nobuyuki Tochigi
Also filed as: TOCHIGI NOBUYUKI
24 granted patents·1 pending application·318 citations·filing 1994–2014
95Inventor score
Top patents by PatentIndex Score
25 records- 0188US5963378AZoom lensCANON KK·Filed 1995·Granted Oct 5, 1999·95 cites·12 claims
- 0282US7253928B2Imaging optical system and image reading apparatus using the sameCANON KK·Filed 2006·Granted Aug 7, 2007·9 cites·6 claims
- 0381US6894263B2Image reading imaging optical system and image reading apparatus using the sameCANON KK·Filed 2002·Granted May 17, 2005·20 cites·42 claims
- 0477US8184289B2Spectral colorimetric apparatus and color image forming apparatus using the sameKIMURA KAZUMI·Filed 2010·Granted May 22, 2012·5 cites·14 claims
- 0575US7177095B2Zoom lens and imaging apparatus having the sameCANON KK·Filed 2005·Granted Feb 13, 2007·7 cites·23 claims
- 0675US5537255AZoom lensCANON KK·Filed 1994·Granted Jul 16, 1996·39 cites·5 claims
- 0773US7684094B2Image optical system and image reading apparatus equipped with sameCANON KK·Filed 2005·Granted Mar 23, 2010·3 cites·6 claims
- 0872US7414761B2Imaging optical system and image reading apparatusCANON KK·Filed 2003·Granted Aug 19, 2008·10 cites·15 claims
- 0971US5530592AZoom lens of rear focus typeCANON KK·Filed 1994·Granted Jun 25, 1996·34 cites·6 claims
- 1068US8437050B2Illuminator, and spectral apparatus and image reading apparatus therewithTOCHIGI NOBUYUKI·Filed 2010·Granted May 7, 2013·3 cites·6 claims
- 1168US6118593AZoom lens and optical apparatus having the sameCANON KK·Filed 1999·Granted Sep 12, 2000·27 cites·7 claims
- 1266US8462406B2Spectral colorimetric apparatus and image forming apparatus using the sameTAKIZAWA TOKUJI·Filed 2010·Granted Jun 11, 2013·2 cites·8 claims
- 1364US6606207B2Image reading lens and image reading apparatus using the sameCANON KK·Filed 2002·Granted Aug 12, 2003·9 cites·4 claims
- 1463US6388818B1Zoom lens and optical apparatus having the sameCANON KK·Filed 2000·Granted May 14, 2002·7 cites·7 claims
- 1562US8705154B2Spectral colorimetric apparatus and image forming apparatus using the sameCANON KK·Filed 2013·Granted Apr 22, 2014·1 cites·18 claims
- 1662US5612825AZoom lensCANON KK·Filed 1995·Granted Mar 18, 1997·25 cites·2 claims
- 1760US7570444B2Imaging optical system and image reading apparatus using the sameCANON KK·Filed 2008·Granted Aug 4, 2009·0 cites·6 claims
- 1857US9167126B2Image reading apparatus and image forming apparatusCANON FINETECH INC·Filed 2014·Granted Oct 20, 2015·0 cites·16 claims
- 1955US6049431AZoom lensCANON KK·Filed 1996·Granted Apr 11, 2000·19 cites·6 claims
- 2052US9217667B2Spectrometer and image forming apparatus having the sameCANON KK·Filed 2013·Granted Dec 22, 2015·0 cites·13 claims
- 2149US7929187B2Image optical system and image reading apparatus equipped with sameCANON KK·Filed 2010·Granted Apr 19, 2011·0 cites·4 claims
- 2249US7397585B2Imaging optical system and image reading apparatus including four, free-form shaped, resin off-axis reflective elementsCANON KK·Filed 2007·Granted Jul 8, 2008·0 cites·6 claims
- 2346US7224498B2Image reading apparatusCANON KK·Filed 2002·Granted May 29, 2007·3 cites·7 claims
- 2444US8422012B2Spectrometer and image forming apparatus having the sameTERAMURA MASAYASU·Filed 2010·Granted Apr 16, 2013·0 cites·10 claims
- 2540US2004075913A1Imaging optical system and image reading apparatusCANON KK·Filed 2003·Application pending·0 cites
Join the waitlist — get patent alerts
Get an alert when Nobuyuki Tochigi 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 →