KH

Kazuhiko Hirokawa

FI Fujifilm Business Innovation: 15 patents #580 of 5,238Top 15%
Overall (All Time): #321,834 of 4,157,543Top 8%
15
Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
10494535 Near-infrared absorbent dispersion, aqueous ink for ink jet recording, and aqueous ink set for ink jet recording Mamoru Fujita, Yoshiro Yamashita 2019-12-03
10407585 Aqueous ink for ink jet recording, aqueous ink set for ink jet recording, and ink jet recording method Yoshiro Yamashita, Takahiro Ishizuka, Mamoru Fujita, Shimpei Takagi 2019-09-10
9782976 Liquid supply device and droplet ejecting apparatus Mamoru Fujita, Jun Isozaki, Yukari Motosugi, Akira Sakamoto 2017-10-10
9550902 Aqueous ink, ink cartridge, ink drying system, ink drying method, recording apparatus, and recording method Akira Sakamoto, Takashi Kikuchi, Takahiro Ishizuka, Suguru Nakaso 2017-01-24
8676098 Developing device and image forming apparatus Kunihiko Sato 2014-03-18
8343701 Image forming material Yuka Ito, Minquan Tian, Suguru Nakaso, Shinji Hasegawa, Miho Watanabe +2 more 2013-01-01
8268523 Black color material and toner Shinji Hasegawa, Minquan Tian, Yuka Ito, Kazunori Anazawa, Takashi Matsubara +3 more 2012-09-18
8120819 Image processing device and image forming device for generating corrected image data for a source image according to absorption wavelength characteristics of invisible coloring material Makoto Furuki, Kazunori Anazawa, Tomoko Miyahara, Minquan Tian, Shinji Hasegawa +3 more 2012-02-21
8017291 Image-forming material Minquan Tian, Yuka Ito, Suguru Nakaso, Shinji Hasegawa, Miho Watanabe +4 more 2011-09-13
8007975 Colorant and toner Shinji Hasegawa, Kazunori Anazawa, Yuka Ito, Minquan Tian, Makoto Furuki +4 more 2011-08-30
7985291 Perimidine-substituted squarylium dye, dispersion medium, detection medium and image forming material Kazunori Anazawa, Yuka Ito, Minquan Tian, Suguru Nakaso, Shinji Hasegawa +4 more 2011-07-26
7951960 Black color material and toner Shinji Hasegawa, Minquan Tian, Yuka Ito, Miho Watanabe, Makoto Furuki 2011-05-31
7910733 Image-forming material Minquan Tian, Yuka Ito, Shinji Hasegawa, Miho Watanabe, Makoto Furuki +4 more 2011-03-22
7679807 Display medium, display device and display method Takashi Matsubara, Kazunori Anazawa, Yuka Ito, Minquan Tian, Shinji Hasegawa +3 more 2010-03-16
7667047 Colorant Yuka Ito, Shinji Hasegawa, Minquan Tian, Miho Watanabe, Kazunori Anazawa +3 more 2010-02-23