TN

Tetsuji Nishikawa

Ricoh Company: 18 patents #1,197 of 9,818Top 15%
DC Daiwa Fine Chemicals Co.: 3 patents #7 of 33Top 25%
IC Ishihara Chemical Co.: 3 patents #10 of 58Top 20%
Overall (All Time): #208,804 of 4,157,543Top 6%
21
Patents All Time

Issued Patents All Time

Showing 1–21 of 21 patents

Patent #TitleCo-InventorsDate
10078301 Image forming apparatus, foreign object detecting system, and method for producing foreign object detecting system Ruki Midorikawa, Shogo Terakawa, Hiroshi Ishii, Kohta Takenaka, Hiroaki Murakami +2 more 2018-09-18
9955595 Mount board tray and electronic device with mount board tray Shogo Terakawa, Kohta Takenaka, Hiroshi Ishii, Kouta Hirakawa, Hidehiko Maeda +1 more 2018-04-24
9353553 Image forming apparatus with locking drawer unit Yusuke Funayama, Joh Ebara, Hiroshi Ishii, Junichi Kawase, Kohta Takenaka +4 more 2016-05-31
9188946 Image forming apparatus including drawer with variable length cable holder Yusuke Funayama, Hidehiko Maeda, Junichi Kawase, Hiroshi Ishii, Joh Ebara +6 more 2015-11-17
9176462 Image forming apparatus having a drawer unit with a paper-feeding conveying path therein Yoshihide Ohta, Joh Ebara, Hiroshi Ishii, Junichi Kawase, Kohta Takenaka +6 more 2015-11-03
9163429 Image forming apparatus having drawer unit Kohta Takenaka, Joh Ebara, Hiroshi Ishii, Junichi Kawase, Yoshihide Ohta +4 more 2015-10-20
9058740 State determining device, image processing apparatus, state determining method, and computer program product Kazuhiro Kobayashi, Takashi Kuwayama, Yuki Sato, Nobuhiro Shima, Jo Ebara 2015-06-16
8948679 Sheet conveyance device and image forming apparatus including same Hiroaki Murakami, Yasuhisa Ehara, Noriaki Funamoto, Yasuhiro Maehata, Jun Yasuda +1 more 2015-02-03
8447212 Image forming apparatus Noriaki Funamoto, Yasuhisa Ehara, Yasuhiro Maehata, Jun Yasuda 2013-05-21
8346111 Image forming device Yasuhiro Maehata, Yasuhisa Ehara, Noriaki Funamoto, Jun Yasuda, Hiroaki Murakami 2013-01-01
8340552 Image forming apparatus Yasuhiro Maehata, Masahiro Ishida, Yasuhisa Ehara, Noriaki Funamoto, Jun Yasuda 2012-12-25
8295736 Image forming apparatus Noriaki Funamoto, Yasuhisa Ehara, Yasuhiro Maehata, Jun Yasuda 2012-10-23
8254813 Multicolor imaging system Noriaki Funamoto, Yasuhisa Ehara, Yasuhiro Maehata, Jun Yasuda, Hiroaki Murakami 2012-08-28
8095028 Image forming apparatus and image forming method Yasuhisa Ehara, Noriaki Funamoto, Jun Yasuda, Yasuhiro Maehata 2012-01-10
7938948 Silver and silver alloy plating bath Kiyotaka Tsuji, Takao Takeuchi, Keigo Obata, Hidemi Nawafune 2011-05-10
7917058 Image forming apparatus with cartridge loading device Yasuhiro Maehata, Makoto Kikura 2011-03-29
7860442 Image fixing device having carbon lamp and reflector Takayuki Niihara, Kazuki Suzuki, Kazunori Bannai, Makoto Kikura, Yasuhiro Maehata 2010-12-28
7706723 Image forming apparatus including phase difference correction with a single drive unit Masahiro Ishida, Kazuki Suzuki, Yasuhiro Maehata, Takayuki Niihara, Makoto Kikura 2010-04-27
7702252 Connector and image forming apparatus including the same Yasuhiro Maehata, Kazuki Suzuki, Takayuki Niihara, Makoto Kikura, Masahiro Ishida 2010-04-20
7628903 Silver and silver alloy plating bath Kiyotaka Tsuji, Takao Takeuchi, Keigo Obata, Hidemi Nawafune 2009-12-08
6607653 Plating bath and process for depositing alloy containing tin and copper Kiyotaka Tsuji, Keigo Obata, Takao Takeuchi, Hidemi Nawafune 2003-08-19