Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Ayae Nagaoka — 14 Patents

Sharp Kabushiki Kaisha: 14 patents #1,181 of 10,731Top 15%
Uji, JP: #24 of 417 inventorsTop 6%
Overall (All Time): #332,869 of 4,157,543Top 9%
14 Patents All Time
Ayae Nagaoka has been granted 14 US patents while listed as an inventor at Sharp Kabushiki Kaisha. The first was granted in 2010 and the most recent in May 2015. Ayae Nagaoka ranks #332,869 of 4,157,543 US inventors in our database (top 8.0%). Patent records list Ayae Nagaoka in Uji, JP.

Patents per Year

Patents granted per year, 2010 to 2015Bar chart with a peak of 6 patents in 2012.peak 62010: 1 patents20102012: 6 patents20122013: 5 patents20132014: 1 patents20142015: 1 patents2015

Issued Patents All Time

Showing 1–14 of 14 patents

Patent #TitleCo-InventorsDate
9035548 Electron emission element, electron emission device, charge device, image forming device, electron radiation curing device, light-emitting device, image display device, blower device, cooling device, and manufacturing method for electron emission element Toshihiro Kaneko, Tadashi Iwamatsu 2015-05-19
8760056 Electron emitting element, devices utilizing said element, and method for producing said element Kanako Hirata, Hiroyuki Hirakawa, Yasuo Imura, Tadashi Iwamatsu 2014-06-24
8616931 Electron emitting element, electron emitting device, light emitting device, image display device, air blowing device, cooling device, charging device, image forming apparatus, electron-beam curing device, and method for producing electron emitting element Tadashi Iwamatsu, Hiroyuki Hirakawa, Yasuo Imura 2013-12-31
8547007 Electron emitting element, electron emitting device, light emitting device, image display device, air blowing device, cooling device, charging device, image forming apparatus, electron-beam curing device, and method for producing electron emitting element Tadashi Iwamatsu, Hiroyuki Hirakawa, Yasuo Imura 2013-10-01
8476818 Electron emitting element including a fine particle layer containing insulating particles, and devices and methods related thereto Hiroyuki Hirakawa, Yasuo Imura, Tadashi Iwamatsu 2013-07-02
8421331 Electron emitting element and method for producing the same Hiroyuki Hirakawa, Yasuo Imura, Kanako Hirata, Tadashi Iwamatsu 2013-04-16
8378565 Electron emitting element having an electron acceleration layer using fine particle layer Hiroyuki Hirakawa, Yasuo Imura, Tadashi Iwamatsu 2013-02-19
8299700 Electron emitting element having an electron acceleration layer, electron emitting device, light emitting device, image display device, cooling device, and charging device Tadashi Iwamatsu, Hiroyuki Hirakawa, Yasuo Imura 2012-10-30
8293446 Resin-coated carrier method of manufacturing the same, two-component developer including resin-coated carrier, developing device and image forming apparatus Osamu Wada, Takanori Kamoto, Nobuyuki Yoshioka, Tadashi Iwamatsu 2012-10-23
8249487 Electron emitting element, electron emitting device, charging device, image forming apparatus, electron-beam curing device, light emitting device, image display device, air blowing device, and cooling device Yasuo Imura, Hiroyuki Hirakawa, Tadashi Iwamatsu 2012-08-21
8164247 Electron emitting element, electron emitting device, light emitting device, image display device, air blowing device, cooling device, charging device, image forming apparatus, and electron-beam curing device Hiroyuki Hirakawa, Yasuo Imura, Tadashi Iwamatsu 2012-04-24
8110971 Light emitting element, light emitting device, image display device, method of driving light emitting element, and method of producing light emitting element Hiroyuki Hirakawa, Yasuo Imura, Tadashi Iwamatsu 2012-02-07
8092968 Toner, method of manufacturing toner, developer, two-component developer, developing device, and image forming apparatus Keiichi Kikawa, Katsuru Matsumoto 2012-01-10
7770828 Method of manufacturing resin particles Katsuru Matsumoto, Keiichi Kikawa 2010-08-10