YF

Yoshiyuki Fukuda

Ricoh Company: 12 patents #1,888 of 9,818Top 20%
KT Kabushiki Kaisha Toshiba: 11 patents #2,779 of 21,451Top 15%
Nissan Motor Co.: 5 patents #1,472 of 8,689Top 20%
TC Toshiba Materials Co.: 5 patents #55 of 197Top 30%
TK Toshiba Tec Kabushiki Kaisha: 2 patents #886 of 1,664Top 55%
KU Kinki University: 2 patents #12 of 141Top 9%
TC Tec Co.: 2 patents #17 of 177Top 10%
Kyocera: 1 patents #2,054 of 3,732Top 60%
HI Hitachi: 1 patents #17,742 of 28,497Top 65%
Overall (All Time): #107,801 of 4,157,543Top 3%
33
Patents All Time

Issued Patents All Time

Showing 1–25 of 33 patents

Patent #TitleCo-InventorsDate
10675495 CT value controller and anticancer agent degradation apparatus Kozo Tamura, Shunji Ishiwata, Atsushi Taga 2020-06-09
10649371 Developing device, process cartridge, and image forming apparatus incorporating same Kei Saito, Masaaki Yamada, Yuuji Ishikura 2020-05-12
10571837 Fixing device and image forming apparatus Yoshiki Yamaguchi, Ippei Fujimoto, Hiroyuki Shimada, Takayuki Seki, Takashi Seto +1 more 2020-02-25
10566264 Flow path member and semiconductor module Yuusaku Ishimine, Takeshi MUNEISHI, Kazuhiko Fujio, Kentaro Takanami, Takao Shirai 2020-02-18
10004932 Anticancer agent degradation method and anticancer agent degradation apparatus Kozo Tamura, Shunji Ishiwata, Atsushi Taga 2018-06-26
9772579 Developing device and image forming apparatus incorporating same Yuki Oshikawa, Akira Azami, Yoshiko Ogawa, Masaaki Yamada, Yoshihiro Fujiwara +6 more 2017-09-26
9625851 Developing device and image forming apparatus incorporating same Yuki Oshikawa, Akira Azami, Yoshiko Ogawa, Masaaki Yamada, Yoshihiro Fujiwara +6 more 2017-04-18
9316950 Development device, process cartridge, image forming apparatus incorporating same, and developer amount adjustment method therefor Tomoko Takahashi, Yoshio Hattori, Sho Akiyama, Takamasa Ozeki, Yoshinori Nakagawa +3 more 2016-04-19
9310715 Developing device and image forming apparatus Yoshio Hattori, Sho Akiyama, Yuki Oshikawa, Noriyuki Kimura 2016-04-12
9141034 Developing device and image forming apparatus and process cartridge incorporating same Yoshio Hattori, Sho Akiyama, Noriyuki Kimura 2015-09-22
9095051 Ceramic substrate for mounting a device, ceramic substrate for mounting an LED, LED lamp, headlight and electronic parts Hiromasa Kato 2015-07-28
8989621 Development device, and process cartridge and image forming apparatus including same Yoshio Hattori, Toshio Koike, Hiroaki Okamoto, Atsushi Nakamoto 2015-03-24
8791566 Aluminum nitride substrate, aluminum nitride circuit board, semiconductor apparatus, and method for manufacturing aluminum nitride substrate Haruhiko Yamaguchi 2014-07-29
8787802 Developing device, process cartridge, and image-forming apparatus Yoshio Hattori, Atsushi Nakamoto, Toshio Koike, Hiroaki Okamoto 2014-07-22
8676099 Developing apparatus, process cartridge, and image forming apparatus Yoshio Hattori, Atsushi Nakamoto 2014-03-18
8626034 Development device, and image forming apparatus and process cartridge incorporating same Toshio Koike, Yoshio Hattori, Atsushi Nakamoto, Hiroaki Okamoto 2014-01-07
8374761 Driving force distribution control method and device for four wheel drive vehicle Tomoaki Fujibayashi, Hideyuki Arai 2013-02-12
8326189 Developing device, process cartridge, and image forming apparatus Katsumi Masuda, Nobuyuki Taguchi, Yuuki Satoh, Yasufumi Takahashi, Keiichi Yoshida +4 more 2012-12-04
7927167 Getter material and evaporable getter device using the same, and electron tube Hiromichi Horie, Hiromasa Kato, Nobuaki Nakashima, Yasuhisa Makino 2011-04-19
7795732 Ceramic wiring board and process for producing the same, and semiconductor device using the same Miho Nakamura 2010-09-14
7482685 Ceramic circuit board, method for making the same, and power module Hiromasa Kato 2009-01-27
7400854 Fixing device and fixing method 2008-07-15
6769526 Apparatus for estimating clutch temperature Norio Iida, Hirotaka Kusukawa, Atsuhiko Gotou, Shigeo Murata, Satoshi Mizuya 2004-08-03
6662893 Forward and aft torque distribution control system for 4WD vehicle and method Norio Iida 2003-12-16
6642165 Wear resistant member for electronic equipment, and bearing and spindle motor therewith Kimiya Miyashita, Michiyasu Komatsu, Hisao Yabe, Minoru Takao, Yukihiro Takenami +1 more 2003-11-04