Inventor · disambiguated record
Yutaka Katsuyama
Also filed as: KATSUYAMA YUTAKA
55 granted patents·13 pending applications·1,039 citations·filing 1984–2024
99Inventor score
Top patents by PatentIndex Score
68 records- 0188US5506674AMethod for identifying an optical fiber using a pattern of reflected lightSUMITOMO ELECTRIC INDUSTRIES·Filed 1993·Granted Apr 9, 1996·71 cites·21 claims
- 0286US6990235B2Color image processing apparatus and pattern extracting apparatusFUJITSU LTD·Filed 2003·Granted Jan 24, 2006·55 cites·7 claims
- 0385US5671308AOptical waveguide having diffraction grating area and method of fabricating the sameSUMITOMO ELECTRIC INDUSTRIES·Filed 1996·Granted Sep 23, 1997·69 cites·9 claims
- 0484US7929765B2Video text processing apparatusFUJITSU LTD·Filed 2010·Granted Apr 19, 2011·10 cites·17 claims
- 0584US6721463B2Apparatus and method for extracting management information from imageFUJITSU LTD·Filed 2001·Granted Apr 13, 2004·46 cites·6 claims
- 0683US7641475B2Program, method and apparatus for generating fill-in-the-blank test questionsFUJITSU LTD·Filed 2005·Granted Jan 5, 2010·6 cites·16 claims
- 0779US6771813B1Image processing apparatus and pattern extraction apparatusFUJITSU LTD·Filed 1999·Granted Aug 3, 2004·92 cites·30 claims
- 0879US6327387B1Apparatus and method for extracting management information from imageFUJITSU LTD·Filed 1997·Granted Dec 4, 2001·89 cites·22 claims
- 0978US7961948B2Computer-readable record medium in which a telop character extraction program is recorded, telop character extraction method and telop character extraction apparatusFUJITSU LTD·Filed 2008·Granted Jun 14, 2011·13 cites·19 claims
- 1076US7341352B2Apparatus, method and program for detecting a pointer region, apparatus, method and program for associating images, content-distributing server, and content-distributing methodFUJITSU LTD·Filed 2005·Granted Mar 11, 2008·7 cites·20 claims
- 1175US6754385B2Ruled line extracting apparatus for extracting ruled line from normal document image and method thereofFUJITSU LTD·Filed 2001·Granted Jun 22, 2004·20 cites·5 claims
- 1273US7480408B2Degraded dictionary generation method and apparatusFUJITSU LTD·Filed 2005·Granted Jan 20, 2009·6 cites·12 claims
- 1370US7787705B2Video text processing apparatusFUJITSU LTD·Filed 2003·Granted Aug 31, 2010·21 cites·10 claims
- 1470US6701010B1Color image processing apparatus and pattern extracting apparatusFUJITSU LTD·Filed 1999·Granted Mar 2, 2004·68 cites·20 claims
- 1570US6035061ATitle extracting apparatus for extracting title from document image and method thereofFUJITSU LTD·Filed 1996·Granted Mar 7, 2000·82 cites·76 claims
- 1669US7715628B2Precise grayscale character segmentation apparatus and methodFUJITSU LTD·Filed 2006·Granted May 11, 2010·8 cites·20 claims
- 1769US7142716B2Apparatus for searching document images using a result of character recognitionFUJITSU LTD·Filed 2001·Granted Nov 28, 2006·24 cites·17 claims
- 1869US2024331846A1Heart rate information concealed video transmission method, program, and deviceUNIV WASEDA·Filed 2024·Application pending·0 cites
- 1968US7711189B2Layout analysis program, layout analysis apparatus and layout analysis methodFUJITSU LTD·Filed 2006·Granted May 4, 2010·7 cites·19 claims
- 2068US7349571B2Image processing apparatus and pattern extraction apparatusFUJITSU LTD·Filed 2005·Granted Mar 25, 2008·5 cites·2 claims
- 2168US4659215AOptical fiber test method and apparatusNIPPON TELEGRAPH & TELEPHONE·Filed 1984·Granted Apr 21, 1987·19 cites·10 claims
- 2267US9721532B2Color chart detection apparatus, color chart detection method, and color chart detection computer programFUJITSU LTD·Filed 2014·Granted Aug 1, 2017·1 cites·13 claims
- 2367USD526276SHousing for an optical connectorJST MFG CO LTD·Filed 2004·Granted Aug 8, 2006·14 cites·1 claims
- 2466US5281247AMethod for producing hermetic coated optical fiberSUMITOMO ELECTRIC INDUSTRIES·Filed 1992·Granted Jan 25, 1994·22 cites·3 claims
- 2564US5191612ACharacter recognition systemFUJITSU LTD·Filed 1991·Granted Mar 2, 1993·45 cites·5 claims
- 2663US6226402B1Ruled line extracting apparatus for extracting ruled line from normal document image and method thereofFUJITSU LTD·Filed 1997·Granted May 1, 2001·36 cites·18 claims
- 2762US7039235B1Ruled line extracting apparatus for extracting ruled line from normal document image and method thereofFUJITSU LTD·Filed 2001·Granted May 2, 2006·9 cites·6 claims
- 2862US6917706B2Ruled line extracting apparatus for extracting ruled line from normal document image and method thereofFUJITSU LTD·Filed 2001·Granted Jul 12, 2005·9 cites·10 claims
- 2962US5125066AFiber optical amplifierSUMITOMO ELECTRIC INDUSTRIES·Filed 1990·Granted Jun 23, 1992·21 cites·13 claims
- 3061US9652850B2Subject tracking device and subject tracking methodFUJITSU LTD·Filed 2013·Granted May 16, 2017·1 cites·17 claims
- 3161US8724862B2Image processing apparatus, image processing method, and non-transitory computer readable storage mediumMINAGAWA AKIHIRO·Filed 2012·Granted May 13, 2014·1 cites·13 claims
- 3260US7280688B2Image processing apparatus and pattern extraction apparatusFUJITSU LTD·Filed 2004·Granted Oct 9, 2007·10 cites·2 claims
- 3359US2003158774A1Product information offering device and a program thereofFUJITSU LTD·Filed 2003·Application pending·0 cites
- 3458US7480409B2Degraded character image generation method and apparatusFUJITSU LTD·Filed 2005·Granted Jan 20, 2009·3 cites·12 claims
- 3557US6928188B2Ruled line extracting apparatus for extracting ruled line from normal document image and method thereofFUJITSU LTD·Filed 2001·Granted Aug 9, 2005·6 cites·6 claims
- 3656US5625710ACharacter recognition apparatus using modification of a characteristic quantityFUJITSU LTD·Filed 1994·Granted Apr 29, 1997·31 cites·5 claims
- 3754US8515175B2Storage medium, apparatus and method for recognizing characters in a document image using document recognitionOZAWA NORIAKI·Filed 2009·Granted Aug 20, 2013·2 cites·9 claims
- 3854US6704450B2Apparatus and method for extracting management information from imageFUJITSU LTD·Filed 2001·Granted Mar 9, 2004·6 cites·10 claims
- 3954US5197107ACharacter recognition apparatusFUJITSU LTD·Filed 1990·Granted Mar 23, 1993·31 cites·21 claims
- 4054US2024235969A9Data transmission method and data transmission systemUNIV WASEDA·Filed 2023·Application pending·0 cites
- 4153US2024331089A1Video super-resolution method, program, and deviceUNIV WASEDA·Filed 2024·Application pending·0 cites
- 4252US7036997B2Optical moduleJST MFG CO LTD·Filed 2004·Granted May 2, 2006·3 cites·10 claims
- 4351US9342152B2Signal processing device and signal processing methodFUJITSU LTD·Filed 2014·Granted May 17, 2016·0 cites·19 claims
- 4451US7532756B2Grayscale character dictionary generation apparatusFUJITSU LTD·Filed 2006·Granted May 12, 2009·1 cites·10 claims
- 4550US11216930B2Information processing apparatus, crack line detection method, and recording medium recording programFUJITSU LTD·Filed 2019·Granted Jan 4, 2022·0 cites·12 claims
- 4650US5214717APattern recognition data processing device using an associative matching methodFUJITSU LTD·Filed 1991·Granted May 25, 1993·28 cites·12 claims
- 4747US6975762B2Ruled line extracting apparatus for extracting ruled line from normal document image and method thereofFUJITSU LTD·Filed 2001·Granted Dec 13, 2005·2 cites·3 claims
- 4847US2014285426A1Signal processing device and signal processing methodFUJITSU LTD·Filed 2014·Application pending·0 cites
- 4946US2005184966A1Method and device for specifying pointer position, and computer productFUJITSU LTD·Filed 2004·Application pending·0 cites
- 5045US10031667B2Terminal device, display control method, and non-transitory computer-readable recording mediumFUJITSU LTD·Filed 2016·Granted Jul 24, 2018·0 cites·12 claims
Showing the top 50 of 68 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →