TK

Taku Kodama

Ricoh Company: 42 patents #327 of 9,818Top 4%
Overall (All Time): #73,516 of 4,157,543Top 2%
42
Patents All Time

Issued Patents All Time

Showing 26–42 of 42 patents

Patent #TitleCo-InventorsDate
7409060 Durable and undecipherable digital watermarking technique and detection of unauthorized use Yasuyuki Nomizu, Hiroyuki Sakuyama, Junichi Hara, Nekka Matsuura, Takanori Yano +3 more 2008-08-05
7406202 Image processing apparatus, image compression apparatus, image processing method, image compression method, program, and recording medium Keiichi Suzuki, Takashi Maki, Ikuko Yamashiro 2008-07-29
7394470 Method for reversibly transforming data format, image processing apparatus, program for reversibly transforming data format, and computer-readable recording medium thereof Takayuki Nishimura, Yasuyuki Nomizu, Hiroyuki Sakuyama, Junichi Hara, Nekka Matsuura +3 more 2008-07-01
7386175 Modifying wavelet division level before transmitting data stream Junichi Hara, Toshio Miyazawa, Yasuyuki Nomizu, Hiroyuki Sakuyama, Nekka Matsuura +3 more 2008-06-10
7362904 Image processing device, image forming apparatus, program, and storing medium Junichi Hara 2008-04-22
7359549 Imaging device, image processing method, and recording medium Keiichi Ikebe, Takao Inoue, Akira Takahashi, Takashi Maki, Ikuko Yamashiro +4 more 2008-04-15
7352908 Image compression device, image decompression device, image compression/decompression device, program for executing on a computer to perform functions of such devices, and recording medium storing such a program 2008-04-01
7352907 Code conversion apparatus, code conversion method and storage medium Hiroyuki Sakuyama, Yasuyuki Nomizu, Junichi Hara, Nekka Matsuura, Yasuyuki Shinkai +3 more 2008-04-01
7336852 Image processing apparatus, image reading apparatus, image forming apparatus and recording medium for image processing program Yasuyuki Nomizu, Hiroyuki Sakuyama, Junichi Hara, Nekka Matsuura, Takanori Yano +3 more 2008-02-26
7333664 Image compression method capable of reducing tile boundary distortion Hiroyuki Sakuyama, Takao Inoue, Shin Aoki, Keiichi Ikebe, Takeshi Koyama +4 more 2008-02-19
7319792 Image processing device Junichi Hara, Shousaku Tokuda 2008-01-15
7315651 Image recording apparatus and image data selection method Hiroyuki Sakuyama, Akira Takahashi, Takao Inoue, Takanori Yano, Takashi Maki +2 more 2008-01-01
7310447 Image processing apparatus, image processing method, and storage medium Takanori Yano, Takao Inoue, Akira Takahashi, Keiichi Ikebe, Hiroyuki Sakuyama +2 more 2007-12-18
7293172 Scrambling of image by randomizing pixel values Takayuki Nishimura, Yasuyuki Nomizu, Hiroyuki Sakuyama, Junichi Hara, Nekka Matsuura +3 more 2007-11-06
7245775 Image processing apparatus for compositing images Yasuyuki Nomizu, Junichi Hara, Toshio Miyazawa, Hiroyuki Sakuyama, Yasuyuki Shinkai +3 more 2007-07-17
7158679 Image compression with tile alignment Yutaka Sano, Hiroyuki Sakuyama 2007-01-02
7127117 Image compression method and apparatus for suppressing quantization rate in particular region, image expansion method and apparatus therefor, and computer-readable storage medium storing program for the compression or expansion Yutaka Sano, Hiroyuki Sakuyama 2006-10-24