HF

Hayato Fujita

Ricoh Company: 36 patents #442 of 9,818Top 5%
Sumitomo Electric Industries: 15 patents #1,596 of 21,551Top 8%
HA Hitachi Astemo: 3 patents #267 of 1,276Top 25%
Overall (All Time): #47,165 of 4,157,543Top 2%
54
Patents All Time

Issued Patents All Time

Showing 26–50 of 54 patents

Patent #TitleCo-InventorsDate
10193178 Redox flow battery frame body, redox flow battery, and cell stack Masahiro Kuwabara, Haruhisa Toyoda, Takashi Kanno, Takefumi Ito, Hideyuki Yamaguchi +2 more 2019-01-29
10185274 Motor connection detecting device, motor connection detecting method, image forming device, and conveyance device Hiroshi Okamura, Tomohide Kondoh 2019-01-22
10133971 Image forming apparatus and method for driving light source Masaaki Ishida, Atsufumi Omori, Muneaki Iwata 2018-11-20
10070006 Image processing apparatus and image processing method Muneaki Iwata 2018-09-04
10012925 Image forming apparatus and image forming method Tatsuya Miyadera, Muneaki Iwata 2018-07-03
9961227 Light source drive control device, image forming apparatus, light source drive control method, and computer program product Atsufumi Omori, Masaaki Ishida, Muneaki Iwata 2018-05-01
9760813 Image forming apparatus Muneaki Iwata, Masaaki Ishida, Atsufumi Omori 2017-09-12
9703244 Image forming apparatus to correct a driving signal for driving a light source Muneaki Iwata, Masaaki Ishida, Atsufumi Omori, Naoto Watanabe 2017-07-11
9703248 Curling detection device, image forming apparatus, curling detection method, image adjustment method, recording medium storing a curling detection program, and recording medium storing an image adjustment program 2017-07-11
9659243 Image forming apparatus and method for driving light source Masaaki Ishida, Atsufumi Omori, Muneaki Iwata 2017-05-23
9606471 Image forming apparatus Masaaki Ishida, Atsufumi Omori, Muneaki Iwata 2017-03-28
9591177 Image forming apparatus Muneaki Iwata, Masaaki Ishida, Naoto Watanabe 2017-03-07
9527303 Image forming apparatus and image forming method to form an image by scanning an image bearer with light modulated based on image information Masaaki Ishida, Atsufumi Omori, Muneaki Iwata 2016-12-27
9521295 Image forming apparatus and image forming method Masaaki Ishida, Atsufumi Omori, Naoto Watanabe, Muneaki Iwata 2016-12-13
9466016 Image forming apparatus which forms image data indicating whether a pixel is for a character or line Muneaki Iwata, Masaaki Ishida, Atsufumi Omori, Naoto Watanabe 2016-10-11
9411256 Image forming apparatus, image forming method, and method of producing printed material for generating a parallel line dither pattern of uniform concentration Muneaki Iwata, Masaaki Ishida, Atsufumi Omori 2016-08-09
9405211 Light source drive circuit, optical scanning apparatus, and image forming apparatus Masaaki Ishida, Atsufumi Omori, Muneaki Iwata 2016-08-02
9361558 Image forming apparatus and image forming method Masaaki Ishida, Atsufumi Omori, Muneaki Iwata 2016-06-07
9298122 Image forming apparatus, image forming method, and method of producing printed material for generating a parallel line pattern of uniform concentration Muneaki Iwata, Masaaki Ishida, Atsufumi Omori 2016-03-29
9155148 Light source drive device, optical scanning device and image forming apparatus Masaaki Ishida, Atsufumi Omori 2015-10-06
9111203 Image forming apparatus Muneaki Iwata, Masaaki Ishida, Atsufumi Omori 2015-08-18
8982422 Method and apparatus for forming images, and method for producing printed products Muneaki Iwata, Masaaki Ishida, Atsufumi Omori 2015-03-17
8983318 Image forming apparatus with a density sensor for detecting density fluctuations Atsufumi Omori, Masaaki Ishida, Kazuhiro Akatsu, Muneaki Iwata 2015-03-17
8976426 Light source driving circuit, optical scanning device, and image forming apparatus Atsufumi Omori, Muneaki Iwata 2015-03-10
8957934 Light source drive circuit, optical scanning apparatus, semiconductor drive circuit, and image forming apparatus Atsufumi Omori, Muneaki Iwata, Masaaki Ishida 2015-02-17