Inventor · disambiguated record
Takashi Tsumanuma
Also filed as: TSUMANUMA TAKASHI
23 granted patents·5 pending applications·646 citations·filing 1986–2011
95Inventor score
Top patents by PatentIndex Score
28 records- 0196US7418178B2Multi-core fiberFUJIKURA LTD·Filed 2007·Granted Aug 26, 2008·221 cites·5 claims
- 0292US4896941AImage-transmitting fiberDORYOKURO KAKUNENRYO·Filed 1989·Granted Jan 30, 1990·136 cites·13 claims
- 0388US8870430B2Display apparatus and lighting windowKAMIKATANO MITSURU·Filed 2011·Granted Oct 28, 2014·19 cites·7 claims
- 0486US4770493AHeat and radiation resistant optical fiberDORYOKURO KAKUNENRYO·Filed 1986·Granted Sep 13, 1988·65 cites·5 claims
- 0581US7221834B2Image fiberFUJIKURA LTD·Filed 2003·Granted May 22, 2007·17 cites·14 claims
- 0680US8208774B2Silica-based single core optical fiber, silica-based multi core optical fiber, and fabrication method for the sameKUDOU MANABU·Filed 2008·Granted Jun 26, 2012·5 cites·5 claims
- 0773US8372316B2Display apparatus, manufacturing method thereof, pattern display method, blind apparatus, and blind methodFUJIKURA LTD·Filed 2009·Granted Feb 12, 2013·2 cites·4 claims
- 0872US7806578B2Illumination device having light guide bodyFUJIKURA LTD·Filed 2008·Granted Oct 5, 2010·6 cites·10 claims
- 0965US7582057B2Endoscopic system using an extremely fine composite optical fiberJAPAN ATOMIC ENERGY RES INST·Filed 2005·Granted Sep 1, 2009·5 cites·17 claims
- 1061US6549333B1Endoscope ocular with microscope gripping mechanism and endoscope holder and endoscope fixing methodFUJIKURA LTD·Filed 2000·Granted Apr 15, 2003·11 cites·14 claims
- 1160US7209617B2Processing method for an image fiberFUJIKURA LTD·Filed 2005·Granted Apr 24, 2007·0 cites·13 claims
- 1260US6129721AMedical laser treatment device and laser probe for the sameMORITA MFG·Filed 1998·Granted Oct 10, 2000·110 cites·12 claims
- 1359US5048923AImage fiber, image fiber preform, and manufacturing processes thereofFUJIKURA LTD·Filed 1990·Granted Sep 17, 1991·21 cites·10 claims
- 1457US8884187B2Welding observation apparatusNAKATATE KENICHI·Filed 2008·Granted Nov 11, 2014·1 cites·18 claims
- 1555US5742429ADevice for stereoscopic visualization including a stereomicroscope and fiberscopeFUJIKURA LTD·Filed 1995·Granted Apr 21, 1998·22 cites·3 claims
- 1654US7440673B2Radiation resistant single-mode optical fiber and method of manufacturing thereofFUJIKURA LTD·Filed 2007·Granted Oct 21, 2008·1 cites·7 claims
- 1753US8945195B2Small bowel endoscope of ileus tube type that enables laser inspection and therapyOKA KIYOSHI·Filed 2006·Granted Feb 3, 2015·1 cites·14 claims
- 1853US7734134B2Fiber scopeFUJIKURA LTD·Filed 2006·Granted Jun 8, 2010·0 cites·14 claims
- 1952US7072548B2Processing method for an image fiberFUJIKURA LTD·Filed 2002·Granted Jul 4, 2006·0 cites·3 claims
- 2051US6892012B2Optical fiber bundle unit for transmitting ultraviolet lightFUJIKURA LTD·Filed 2002·Granted May 10, 2005·3 cites·7 claims
- 2150US2009073721A1Display apparatus, manufacturing method thereof, pattern display method, blind apparatus, and blind methodFUJIKURA LTD·Filed 2008·Application pending·0 cites
- 2249US8208775B2Silica-based single core optical fiber, silica-based multi core optical fiber, and fabrication method for the sameKUDOU MANABU·Filed 2010·Granted Jun 26, 2012·0 cites·2 claims
- 2345US2010152721A1Optical fiber, optical fiber device, and optical fiber bundleFUJIKARA LTD·Filed 2008·Application pending·0 cites
- 2444US2009201696A1Light guide body for linear lighting equipmentFUJIKURA LTD·Filed 2009·Application pending·0 cites
- 2543US8189976B2Endoscope systemTORIYA TOMOAKI·Filed 2009·Granted May 29, 2012·0 cites·6 claims
- 2643US7813607B2Optical fiber bundle unit for transmitting ultraviolet lightFUJIKURA LTD·Filed 2005·Granted Oct 12, 2010·0 cites·8 claims
- 2743US2010119199A1Reduced size fiber optic probe using multiple incident anglesAFL TELECOMMUNICATIONS LLC·Filed 2008·Application pending·0 cites
- 2837US2004055336A1Optical apparatusFUJIKURA LTD·Filed 2003·Application pending·0 cites
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