HK

Hiroyuki Kawamoto

Ricoh Company: 70 patents #91 of 9,818Top 1%
HI Hitachi: 5 patents #7,555 of 28,497Top 30%
Fujitsu Limited: 1 patents #14,843 of 24,456Top 65%
Mitsubishi Electric: 1 patents #15,491 of 25,717Top 65%
TI Tokyo Electric Power Company Holdings, Incorporated: 1 patents #245 of 711Top 35%
FI Fujifilm Business Innovation: 1 patents #3,579 of 5,238Top 70%
Overall (All Time): #23,826 of 4,157,543Top 1%
78
Patents All Time

Issued Patents All Time

Showing 51–75 of 78 patents

Patent #TitleCo-InventorsDate
6996278 Coding and decoding method and device on multi-level image Maki Ohyama 2006-02-07
6967744 Image processing apparatus and method having a digital signal processor 2005-11-22
6963420 Image processing apparatus Yasuyuki Nomizu, Yoshiyuki Namizuka, Hideto Miyazaki, Shinya Miyazaki, Yuji Takahashi +6 more 2005-11-08
6954281 Method and apparatus for image processing, and a computer product Hiroaki Fukuda, Yoshiyuki Namizuka, Shinya Miyazaki, Sugitaka Oteki, Takako Satoh +6 more 2005-10-11
6930793 Image processing apparatus, image processing method and computer readable recording medium for recording program for computer to execute the method Yoshiyuki Namizuka, Yuji Takahashi, Shinya Miyazaki, Sugitaka Oteki, Takako Satoh +4 more 2005-08-16
6900909 Image processor Yoshiyuki Namizuka, Hideto Miyazaki, Shinya Miyazaki, Sugitaka Oteki, Yuji Takahashi +6 more 2005-05-31
6891648 Image-reading device performing a white-shading correction by obtaining a peak value of average values of image data and read from a reference-white member in blocks as white-shading data Yoshikazu Inoue, Wataru Nara, Yasuyuki Nomizu, Hiroshi Fukano, Motoya Sano +2 more 2005-05-10
6862101 IMAGE PROCESSING APPARATUS, METHOD FOR ADDING OR UPDATING SEQUENCE OF IMAGE PROCESSING AND DATA FOR IMAGE PROCESSING IN THE IMAGE PROCESSING APPARATUS, AND COMPUTER-READABLE RECORDING MEDIUM WHERE PROGRAM FOR MAKING COMPUTER EXECUTE THE METHOD IS RECORDED Hideto Miyazaki, Yoshiyuki Namizuka, Yuji Takahashi, Yasuyuki Nomizu, Sugitaka Oteki +6 more 2005-03-01
6836346 Method and apparatus for image processing, and a computer product Fumio Yoshizawa, Takeharu Tone, Hideto Miyazaki, Yoshiyuki Namizuka, Sugitaka Oteki +5 more 2004-12-28
6763473 Image processing device, method for saving power consumption of the image processing device, and a computer product Sugitaka Oteki, Yuji Takahashi, Yoshiyuki Namizuka, Hideto Miyazaki, Yasuyuki Nomizu +5 more 2004-07-13
6486971 Digital image forming apparatus and method for changing magnification ratio for image according to image data stored in a memory 2002-11-26
6243500 Image processing apparatus and method for erasing dirty spots in reproducing systems 2001-06-05
6151457 Image forming system for diagnosing communication interface between image forming apparatuses 2000-11-21
6057940 Image processing apparatus 2000-05-02
5892852 Image processing apparatus Yoshiyuki Namizuka, Kouichi Kamon, Masaaki Ito, Anqi Ye, Takeharu Tone 1999-04-06
5740333 Image processing method and image processing apparatus for converting an inputted color image into a two-color image Anki Yoh, Kouichi Kamon, Masaaki Ito, Yoshiyuki Namizuka, Takeharu Tone 1998-04-14
5715070 Freely configurable image processing apparatus Takeharu Tone, Kouichi Kamon, Masaaki Ito, Yoshiyuki Namizuka, Anki Yoh 1998-02-03
5687006 Image regenerating apparatus having improved character resolution and pattern gradation Yoshiyuki Namizuka, Kouichi Kamon, Masaaki Ito, Anki Yoh, Takeharu Tone 1997-11-11
5643711 Silver halide photographic light-sensitive material Shunji Takada, Yoichi Suga 1997-07-01
5481371 Image reading device having variable internal synronization setting control Kouichi Kamon 1996-01-02
5418385 Semiconductor devices using potential wells or resistive elements as delay elements and apparatus for forming such devices Hiroyuki Mori, Yoshio Inoue 1995-05-23
5377070 Charging apparatus for photoreceptor 1994-12-27
5231516 Folding-order image forming apparatus Kouichi Kamon, Takanobu Fujioka, Wataru Nara, Norifumi Ito 1993-07-27
4881026 Method and apparatus for diagnosing abnormal state of sodium (NA)--sulfur (S) cell Yasumasa Ishida, Motoi Wada, Hisamitu Hatoh, Yoshiteru Miyatake, Sadao Mori +1 more 1989-11-14
4795686 Sodium-sulfur electric cell and process for manufacturing the same Kazuaki Yokoi, Toshihiro Yamada 1989-01-03