Inventor · disambiguated record
Takamasa Sakamoto
Also filed as: SAKAMOTO TAKAMASA
14 granted patents·1 pending application·120 citations·filing 1994–2014
91Inventor score
Files withMINOLTA CO LTD5OPTEK CORP4ASIA OPTICAL CO INC2SINTAI OPTICAL SHENZHEN CO LTD2MINOLTA CAMERA KK1
Top patents by PatentIndex Score
15 records- 0183US6183142B1Single lens reflex cameraMINOLTA CO LTD·Filed 1999·Granted Feb 6, 2001·21 cites·18 claims
- 0282US7019915B2Lens barrelsOPTEK CORP·Filed 2004·Granted Mar 28, 2006·26 cites·16 claims
- 0378US7301577B2Digital camera with a collapsible lens barrelASIA OPTICAL CO INC·Filed 2003·Granted Nov 27, 2007·18 cites·6 claims
- 0477US5950035ADual dial apparatusMINOLTA CO LTD·Filed 1997·Granted Sep 7, 1999·17 cites·26 claims
- 0570US7035019B2Lens barrel extending and retracting mechanismsOPTEK CORP·Filed 2004·Granted Apr 25, 2006·10 cites·8 claims
- 0668US7131773B2Lens barrelsOPTEK CORP·Filed 2004·Granted Nov 7, 2006·8 cites·6 claims
- 0762US7116901B2Zoom finder drive mechanismsOPTEK CORP·Filed 2004·Granted Oct 3, 2006·6 cites·4 claims
- 0854US7911719B2Zoom lensASIA OPTICAL CO INC·Filed 2009·Granted Mar 22, 2011·1 cites·18 claims
- 0953US6282382B1Camera having compact layoutMINOLTA CO LTD·Filed 1998·Granted Aug 28, 2001·4 cites·17 claims
- 1052US9348109B2Optical deviceSINTAI OPTICAL SHENZHEN CO LTD·Filed 2014·Granted May 24, 2016·0 cites·10 claims
- 1148US2014375873A1Optical deviceSINTAI OPTICAL SHENZHEN CO LTD·Filed 2014·Application pending·0 cites
- 1244US5506647AField frame changeover mechanism for viewfinderMINOLTA CAMERA KK·Filed 1994·Granted Apr 9, 1996·4 cites·10 claims
- 1337US6695889B2Pre-dyeing treatment process and dyeing process for textile products containing highly crosslinked polyacrylic fibers, pretreated and undyed textile product, and dyed textile productSAKAREN CO LTD·Filed 2001·Granted Feb 24, 2004·0 cites·27 claims
- 1434US6169856B1CameraMINOLTA CO LTD·Filed 1999·Granted Jan 2, 2001·5 cites·10 claims
- 1531US5875364AField frame changeover mechanism for viewfinderMINOLTA CO LTD·Filed 1997·Granted Feb 23, 1999·0 cites·15 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →