Inventor · disambiguated record
Kiyoshi Nakagawa
Also filed as: NAKAGAWA KIYOSHI
51 granted patents·6 pending applications·942 citations·filing 1974–2024
98Inventor score
Top patents by PatentIndex Score
57 records- 0193US6570111B2Electronic equipment and transmission device of button device used thereinSONY CORP·Filed 2000·Granted May 27, 2003·52 cites·7 claims
- 0292US8930757B2Operations management apparatus, operations management method and programNAKAGAWA KIYOSHI·Filed 2011·Granted Jan 6, 2015·31 cites·21 claims
- 0390US5245690AOptical fiber amplifier including rare earth doped fiber and feedback pump light source controlNIPPON TELEGRAPH & TELEPHONE·Filed 1992·Granted Sep 14, 1993·67 cites·24 claims
- 0489US4636424AMoisture-permeable waterproof laminated fabric and process for producing the sameUNITIKA LTD·Filed 1985·Granted Jan 13, 1987·67 cites·35 claims
- 0589US4148065AMethod and apparatus for automatically inspecting and correcting masksHITACHI LTD·Filed 1977·Granted Apr 3, 1979·60 cites·12 claims
- 0687US5633750AOptical fiber amplifierANDO ELECTRIC·Filed 1996·Granted May 27, 1997·75 cites·16 claims
- 0786US5083874AOptical repeater and optical network using the sameNIPPON TELEGRAPH & TELEPHONE·Filed 1990·Granted Jan 28, 1992·100 cites·23 claims
- 0886US4115988AInterlaced multifilament yarnsTORAY INDUSTRIES·Filed 1976·Granted Sep 26, 1978·18 cites·7 claims
- 0986US4035441APolyester filament having excellent antistatic properties and process for preparing the sameTORAY INDUSTRIES·Filed 1974·Granted Jul 12, 1977·32 cites·18 claims
- 1085US7671919B2CameraSONY CORP·Filed 2005·Granted Mar 2, 2010·10 cites·9 claims
- 1182US5029013AApparatus for editing video tapesSONY CORP·Filed 1988·Granted Jul 2, 1991·29 cites·11 claims
- 1281US7262756B2Display apparatusSHARP KK·Filed 2003·Granted Aug 28, 2007·13 cites·3 claims
- 1381US4049763AProcess for producing a highly oriented polyester undrawn yarnTORAY INDUSTRIES·Filed 1975·Granted Sep 20, 1977·23 cites·3 claims
- 1480US5574717ALine terminating equipment in SDH networks, using forward error correcting codesNIPPON TELEGRAPH & TELEPHONE·Filed 1995·Granted Nov 12, 1996·51 cites·13 claims
- 1580US4084622ATextured polyester yarns and process for the production thereofTORAY INDUSTRIES·Filed 1977·Granted Apr 18, 1978·14 cites·14 claims
- 1679US5471334AMethod and apparatus for monitoring noise figure of optical amplifierNIPPON TELEGRAPH & TELEPHONE·Filed 1993·Granted Nov 28, 1995·62 cites·20 claims
- 1774US8217880B2Method for driving liquid crystal display apparatusYAMATO ASAHI·Filed 2006·Granted Jul 10, 2012·2 cites·13 claims
- 1871US4384837AApparatus for pretreatment for extracting crude oil from rice branORYZA OIL & FAT CHEM·Filed 1978·Granted May 24, 1983·19 cites·11 claims
- 1970US7978164B2Liquid crystal display deviceSHARP KK·Filed 2006·Granted Jul 12, 2011·2 cites·7 claims
- 2070US5204403AMoisture permeable and waterproof coated fabric and method for manufacturing sameUNITIKA LTD·Filed 1992·Granted Apr 20, 1993·24 cites·9 claims
- 2168US4439903AMethod for producing an interlaced multi-filament yarnTORAY INDUSTRIES·Filed 1981·Granted Apr 3, 1984·9 cites·10 claims
- 2267US8102486B2Display panel and display deviceYAMATO ASAHI·Filed 2007·Granted Jan 24, 2012·1 cites·8 claims
- 2367US4292799ASpun yarn-like textured yarns and process for producing sameTORAY INDUSTRIES·Filed 1979·Granted Oct 6, 1981·9 cites·10 claims
- 2466US4262481ASpun yarn-like high bulky textured yarns and process for producing sameTORAY INDUSTRIES·Filed 1979·Granted Apr 21, 1981·9 cites·13 claims
- 2565US4355445AApparatus for producing interlaced multifilament yarnsTORAY INDUSTRIES·Filed 1979·Granted Oct 26, 1982·13 cites·10 claims
- 2663US12436631B2Information processing apparatus, battery level notification method, and program thereforLENOVO SINGAPORE PTE LTD·Filed 2024·Granted Oct 7, 2025·0 cites·9 claims
- 2760US5005937AOptical branching equipment and optical network using the sameNIPPON TELEGRAPH & TELEPHONE·Filed 1990·Granted Apr 9, 1991·33 cites·36 claims
- 2860US4134252AMethod and apparatus for preparing false twisted yarnsTORAY INDUSTRIES·Filed 1977·Granted Jan 16, 1979·8 cites·14 claims
- 2959US8723775B2Method for driving liquid crystal display apparatusYAMATO ASAHI·Filed 2013·Granted May 13, 2014·0 cites·9 claims
- 3057US8462091B2Method for driving liquid crystal display apparatusYAMATO ASAHI·Filed 2012·Granted Jun 11, 2013·0 cites·11 claims
- 3154US7973752B2Display apparatusSHARP KK·Filed 2007·Granted Jul 5, 2011·0 cites·3 claims
- 3252US8264441B2Method for driving liquid crystal display apparatusYAMATO ASAHI·Filed 2006·Granted Sep 11, 2012·0 cites·12 claims
- 3351US5558487ATransporting system for an articleSONY CORP·Filed 1995·Granted Sep 24, 1996·17 cites·11 claims
- 3450US11678541B2Display device including terminal regions facing each other across the display regionSHARP KK·Filed 2018·Granted Jun 13, 2023·0 cites·20 claims
- 3550US4919356AVideotape tape guideFUJI INDUSTRIES CO LTD·Filed 1988·Granted Apr 24, 1990·7 cites·3 claims
- 3650US4870845AWorking apparatus for crankshaftMITSUBISHI MOTORS CORP·Filed 1987·Granted Oct 3, 1989·12 cites·6 claims
- 3750US4167847ABulky yarn and method for producing the sameTORAY INDUSTRIES·Filed 1978·Granted Sep 18, 1979·5 cites·6 claims
- 3850US2008299357A1Fabric having a foamed layer and a method for producing thereofUNITIKA FIBERS LTD·Filed 2008·Application pending·0 cites
- 3949US8384639B2Liquid crystal display device and method for emphasizing temporal signal change on a video signal based on at least a polarity for the video signalSHARP KK·Filed 2006·Granted Feb 26, 2013·0 cites·7 claims
- 4049US7027742B2Optical single-sideband modulated signal generatorTOKYO COMM EQUIPMENT MFG CO LT·Filed 2002·Granted Apr 11, 2006·4 cites·9 claims
- 4148US2009251450A1Liquid crystal display device and liquid crystal display device drive methodYAMATO ASAHI·Filed 2006·Application pending·0 cites
- 4247US10884463B2Method for manufacturing display device and display deviceSHARP KK·Filed 2017·Granted Jan 5, 2021·0 cites·20 claims
- 4347US4365394AMethod for producing an interlaced multifilament yarnTORAY INDUSTRIES·Filed 1979·Granted Dec 28, 1982·3 cites·5 claims
- 4445US2009244102A1Lcd, liquid crystal display device, and their drive methodNAKAGAWA KIYOSHI·Filed 2006·Application pending·0 cites
- 4545US2012070635A1Waterproof and moisture-permeable fabric and a method for producing thereofNAKAGAWA KIYOSHI·Filed 2011·Application pending·0 cites
- 4644US9648540B2Node device and data relaying methodFUJITSU LTD·Filed 2014·Granted May 9, 2017·0 cites·12 claims
- 4743US5574534AApparatus for determining noise factor of optical amplifierANDO ELECTRIC·Filed 1995·Granted Nov 12, 1996·13 cites·8 claims
- 4843US2015023389A1Optical fiber for temperature sensor and a power device monitoring systemNAKAGAWA KAORI·Filed 2013·Application pending·0 cites
- 4941US5495362APhotoperiodic circuit amplification control apparatusANDO ELECTRIC·Filed 1995·Granted Feb 27, 1996·11 cites·10 claims
- 5039US5786930AOptical frequency sweep signal generatorANDO ELECTRIC·Filed 1997·Granted Jul 28, 1998·9 cites·1 claims
Showing the top 50 of 57 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →