TH

Tadashi Hayakawa

Ricoh Company: 62 patents #126 of 9,818Top 2%
HK Henkel Ag & Co. Kgaa: 5 patents #280 of 2,331Top 15%
Sumitomo Electric Industries: 5 patents #5,365 of 21,551Top 25%
YC Yoshino Kogyosho Co.: 4 patents #100 of 361Top 30%
HI Hitachi: 3 patents #10,712 of 28,497Top 40%
HC Hayakawa Rubber Co.: 2 patents #9 of 43Top 25%
TC The Coca-Cola: 1 patents #680 of 1,471Top 50%
Overall (All Time): #22,636 of 4,157,543Top 1%
80
Patents All Time

Issued Patents All Time

Showing 51–75 of 80 patents

Patent #TitleCo-InventorsDate
8346105 Information storage device, removable device, developer container, and image forming apparatus Yasufumi Takahashi, Kunihiro Ohyama, Masayuki Yamane, Takeshi Uchitani, Takuji Takahashi +5 more 2013-01-01
8336998 Image forming apparatus Masahiro Kuwata, Ikoh Soh, Toshiroh Tokuno, Tomomi Katoh, Akiko Bannai +2 more 2012-12-25
8292414 Ink cartridge and an imaging apparatus Shotaro Takeuchi, Toshiroh Tokuno, Tomomi Katoh, Masanori Kusunoki, Akiko Bannai +2 more 2012-10-23
8295742 Powder container, powder supplying device, and image forming apparatus Daichi Yamaguchi, Makoto Komatsu, Tsukuru Kai, Hiroshi Hosokawa 2012-10-23
8290378 Image forming apparatus having a magnetic field generating unit at the toner carrying section Kunihiro Ohyama, Satoru Yoshida 2012-10-16
8244163 Toner container and image forming apparatus Hideo Yoshizawa, Masashi Hasegawa, Makoto Kawaguchi 2012-08-14
8052262 Liquid container and image forming apparatus employing the liquid container Toshiroh Tokuno, Tomomi Katoh, Shotaro Takeuchi, Akiko Bannai, Masanori Kusunoki +2 more 2011-11-08
8050597 Toner container having a gear portion and image forming apparatus Hideo Yoshizawa, Masashi Hasegawa, Makoto Kawaguchi 2011-11-01
8027596 Image forming apparatus Kunihiro Ohyama, Satoru Yoshida 2011-09-27
7796922 Image forming apparatus having a magnetic field generating unit at the toner carrying section Kunihiro Ohyama, Satoru Yoshida 2010-09-14
7699183 Square bottle manufactured from synthetic resin Kenshi Matsuoka, Ryoichi Tomishima, Satoshi Kuboi, Toshimasa Tanaka, Takao Iizuka 2010-04-20
7165693 Synthetic resin bottle-type container with improved deformation resistance Hiroki Oguchi, Takao Iizuka, Koichi Haraguchi 2007-01-23
6973316 Position detecting method and apparatus 2005-12-06
6947696 Image forming apparatus Masato Yanagida 2005-09-20
6820031 Method and device for distance detection 2004-11-16
6738412 Mobile communications device, communications system, and communications method 2004-05-18
6708042 Communication method and communication system 2004-03-16
6665512 Image forming apparatus Masato Yanagida 2003-12-16
6513669 Bottle for hot filling use, equipped with vacuum absorption panels in the body portion Tomoyuki Ozawa, Hiroaki Sugiura, Takao Iizuka 2003-02-04
6505026 Belt driving device and image forming apparatus using the same Eisuke Hori 2003-01-07
6373434 Distance detecting method and its apparatus 2002-04-16
5712022 Printed thermoplastic resin products and method for printing such products Ban Tanaka, Hiroki Nii, Kosaku Yamada, Hideo Kushida, Takashi Miya +1 more 1998-01-27
5587405 Ink compositions Ban Tanaka, Hiroki Nii, Kosaku Yamada, Hideo Kushida, Takashi Miya +1 more 1996-12-24
5585896 Image forming apparatus with a contact member contacting an image carrier Kouichi Yamazaki, Sadao Takahashi, Nobuo Kikuchi, Kentaro Matsumoto, Yoshiaki Miyashita +3 more 1996-12-17
5572293 Method of and system for cleaning a charge inducing member Nobuo Kikuchi, Kouichi Yamazaki, Sadao Takahashi, Kentaro Matsumoto, Yoshiaki Miyashita +3 more 1996-11-05