Inventor · disambiguated record
Katsuhisa Tsutsumi
Also filed as: TSUTSUMI KATSUHISA
22 granted patents·3 pending applications·129 citations·filing 1991–2015
94Inventor score
Technology areasG02B
Top patents by PatentIndex Score
25 records- 0184US7505213B2Zoom lens and image pickup apparatusFUJINON CORP·Filed 2007·Granted Mar 17, 2009·13 cites·21 claims
- 0268US8213096B2Imaging lens and imaging apparatusTSUTSUMI KATSUHISA·Filed 2010·Granted Jul 3, 2012·3 cites·6 claims
- 0368US7672061B2Zoom lens and imaging deviceFUJINON CORP·Filed 2008·Granted Mar 2, 2010·4 cites·13 claims
- 0468US6556355B2Mount conversion adaptor lensFUJI PHOTO OPTICAL CO LTD·Filed 2002·Granted Apr 29, 2003·11 cites·7 claims
- 0564US9389398B2Imaging lens, and imaging apparatus including the imaging lensFUJIFILM CORP·Filed 2014·Granted Jul 12, 2016·1 cites·21 claims
- 0663US9176306B2Imaging lens and imaging apparatusFUJIFILM CORP·Filed 2014·Granted Nov 3, 2015·1 cites·19 claims
- 0761US5159493ARetrofocus type wide angle lens comprising a fixed group and movable corrective and rear groupsFUJI PHOTO OPTICAL CO LTD·Filed 1991·Granted Oct 27, 1992·23 cites·7 claims
- 0858US5561560AZoom lens systemFUJI PHOTO OPTICAL CO LTD·Filed 1995·Granted Oct 1, 1996·22 cites·11 claims
- 0956US6549344B2Retro focus type wide-angle lens apparatus using the sameFUJI PHOTO OPTICAL CO LTD·Filed 2001·Granted Apr 15, 2003·5 cites·5 claims
- 1052US6058269AOscillation isolating attachment lens systemFUJI PHOTO OPTICAL CO LTD·Filed 1999·Granted May 2, 2000·16 cites·13 claims
- 1151US9239448B2Imaging lens, and imaging apparatus including the imaging lensFUJIFILM CORP·Filed 2014·Granted Jan 19, 2016·0 cites·18 claims
- 1250US9036279B2Imaging lens and imaging apparatusFUJIFILM CORP·Filed 2014·Granted May 19, 2015·0 cites·20 claims
- 1349US9335523B2Imaging lens and imaging apparatusFUJIFILM CORP·Filed 2014·Granted May 10, 2016·0 cites·20 claims
- 1448US9477068B2Imaging lens and imaging apparatusFUJIFILM CORP·Filed 2014·Granted Oct 25, 2016·0 cites·10 claims
- 1548US6813089B2Extender optical systemFUJI PHOTO OPTICAL CO LTD·Filed 2003·Granted Nov 2, 2004·2 cites·8 claims
- 1648US6791765B2Retrofocus wide-angle lensFUJI PHOTO OPTICAL CO LTD·Filed 2002·Granted Sep 14, 2004·2 cites·20 claims
- 1747US9494770B2Imaging lens and imaging apparatus equipped with the sameFUJIFILM CORP·Filed 2015·Granted Nov 15, 2016·0 cites·10 claims
- 1847US6285510B1Zoom lensFUJI PHOTO OPTICAL CO LTD·Filed 2000·Granted Sep 4, 2001·2 cites·2 claims
- 1947US2014362455A1Imaging lens and imaging apparatus including the sameFUJIFILM CORP·Filed 2014·Application pending·0 cites
- 2046US2014146403A1Imaging lens, and imaging apparatus including the imaging lensFUJIFILM CORP·Filed 2014·Application pending·0 cites
- 2146US2014126069A1Imaging lens and imaging apparatusFUJIFILM CORP·Filed 2014·Application pending·0 cites
- 2244US5737127ASystem of focusing zoom lensFUJI PHOTO OPTICAL CO LTD·Filed 1995·Granted Apr 7, 1998·11 cites·11 claims
- 2343US6288847B1Attachment lens systemFUJI PHOTO OPTICAL CO LTD·Filed 1999·Granted Sep 11, 2001·10 cites·10 claims
- 2437US6351336B1Attachment lens for short distance shotsFUJI PHOTO OPTICAL CO LTD·Filed 2000·Granted Feb 26, 2002·0 cites·7 claims
- 2532US5991092AZoom lensFUJI PHOTO OPTICAL CO LTD·Filed 1997·Granted Nov 23, 1999·3 cites·4 claims
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