KT

Kenichi Takekawa

Ricoh Company: 12 patents #1,888 of 9,818Top 20%
📍 Ebeye: #410 of 4,528 inventorsTop 10%
Overall (All Time): #420,020 of 4,157,543Top 15%
12
Patents All Time

Issued Patents All Time

Showing 1–12 of 12 patents

Patent #TitleCo-InventorsDate
8939878 Sheet folding device and image forming apparatus Yasuki Matsuura, Masanobu Kimata, Isao Yasuda 2015-01-27
8909126 Sheet processing apparatus, and image forming system Yasuki Matsuura, Masanobu Kimata, Isao Yasuda 2014-12-09
7113174 Coordinate inputting/detecting apparatus and method designed to avoid a trailing phenomenon Yasuhiko Saka 2006-09-26
6828959 Method and device for inputting coordinate-position and a display board system Tsutomu Ogasawara, Takahiro Ito 2004-12-07
6823481 Optical coordinate input/detection device with optical-unit positioning error correcting function 2004-11-23
6587099 Coordinate input/detection device detecting installation position of light-receiving device used for detecting coordinates 2003-07-01
6570103 Method and apparatus for coordinate inputting capable of effectively using a laser ray Yasuhiko Saka 2003-05-27
6532006 Coordinates input device, coordinates input method, a display board system Tsutomu Ogasawara, Takahiro Ito 2003-03-11
6504532 Coordinates detection apparatus Tsutomu Ogasahara, Takahiro Ito 2003-01-07
6352351 Method and apparatus for inputting coordinates Tsutomu Ogasahara, Takahiro Ito 2002-03-05
6335724 Method and device for inputting coordinate-position and a display board system Tsutomu Ogasawara, Takahiro Ito 2002-01-01
6285359 Coordinate-position detecting device and a method for detecting the coordinate-position Tsutomu Ogasawara, Takahiro Ito 2001-09-04