KT

Kayoko Tanaka

Ricoh Company: 7 patents #63 of 1,683Top 4%
SO Sony: 1 patents #1,440 of 4,065Top 40%
Overall (2011): #5,984 of 364,097Top 2%
8
Patents 2011

Issued Patents 2011

Showing 1–8 of 8 patents

Patent #TitleCo-InventorsDate
8045874 Image forming apparatus and image density control method Akira Yoshida, Shin Hasegawa, Hitoshi Ishibashi, Yoshiaki Miyashita, Kohta Fujimori +3 more 2011-10-25
8027605 Image forming apparatus and image density control method Nobutaka Takeuchi, Shin Hasegawa, Hitoshi Ishibashi, Shuji Hirai, Kohta Fujimori +2 more 2011-09-27
8014076 Variable focal length lens, camera module, and electronic apparatus Akira Suzuki, Fumisada Maeda, Mamoru Suzuki, Katsuhiro Seo 2011-09-06
8009997 Toner replenishment determination device of an image forming apparatus Osamu Ariizumi, Kazumi Kobayashi, Shinji Kobayashi, Fukutoshi Uchida, Takashi Enami +8 more 2011-08-30
7929873 Image forming apparatus and image density control method Nobutaka Takeuchi, Shin Hasegawa, Hitoshi Ishibashi, Shuji Hirai, Kohta Fujimori +4 more 2011-04-19
7903986 Reuse method and a reusable device for an image forming apparatus having a first process linear velocity and a second image processing apparatus having a second process linear velocity Shin Hasegawa, Hitoshi Ishibashi, Shuji Hirai, Kohta Fujimori, Nobutaka Takeuchi +2 more 2011-03-08
7885556 Image forming apparatus for correcting a toner density target value Kohta Fujimori, Shin Hasegawa, Nobutaka Takeuchi, Hitoshi Ishibashi, Yushi Hirayama +8 more 2011-02-08
7881629 Image forming apparatus and image density control method Nobutaka Takeuchi, Hitoshi Ishibashi, Kohta Fujimori, Yushi Hirayama, Naoto Watanabe 2011-02-01