1
Christopher Beatty, Naoto Kawamura: Single-side fabrication process for forming inkjet monolithic printing element array on a substrate. Hewlett Packard Company, October 24, 2000: US06137443 (87 worldwide citation)

A monolithic inkjet printhead is formed using single-side fabrication processes. Printing elements and feed channels are formed by processes working from a top of the die. During formation of the printing elements filler material is applied to the feed channel. Such material is later removed by an a ...


2
Naoto Kawamura: Color halftone image processing apparatus producing various screen angles and having an adaptive color image data conversion look-up table and a small-capacity masking memory. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, June 21, 1988: US04752822 (78 worldwide citation)

An image processing apparatus includes a generator for generating predetermined image data representing an image and an image reproducing device for reproducing the image. A reading device reads the image reproduced by the reproducing device and generates read data representative thereof. A converte ...


3
Yoshinobu Mita, Naoto Kawamura, Yuji Nishigaki, Katsuhito Dei: Image processing method and apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, July 27, 1993: US05231677 (78 worldwide citation)

There are image processing method and apparatus for use in digital copying apparatuses, facsimile apparatuses, etc. which handle an image signal. This apparatus comprises an edge detector to detect the edge portion of the image signal, a smoothing circuit to smooth the image signal, an edge emphasiz ...


4
Katsuhito Dei, Yoshinobu Mita, Tadashi Yoshida, Naoto Kawamura: Image data conversion system. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, February 14, 1989: US04805013 (55 worldwide citation)

An image data conversion system has a RAM for storing a data conversion table, a CPU for calculating the data conversion table by parameters received from a ROM, input devices for supplying new parameters when the table content must be changed, and data selectors. Desired image data conversion, such ...


5
Chien Hau Chen, Donald E Wenzel, Qin Liu, Naoto Kawamura, Richard W Seaver, Carl Wu, Colby Van Vooren, Jeffery S Hess, Colin C Davis: Direct imaging polymer fluid jet orifice. Hewlett Packard Company, Timothy F Myers, Raymond A Jenski, December 19, 2000: US06162589 (50 worldwide citation)

A process for creating and an apparatus employing shaped orifices in a semiconductor substrate. A first layer of material is applied on the semiconductor substrate then a second layer of material is then applied upon the first layer of material. An orifice image is then transferred to the first laye ...


6
Naoto Kawamura: Image recording device. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, March 26, 1985: US04507685 (50 worldwide citation)

An image recording apparatus capable of arbitrarily setting a screen angle for recording a screen dot image is disclosed. The apparatus is constructed with an image signal output device; a level signal output device to produce a plurality of output level signals as a group, and to change the sequenc ...


7
Naoto Kawamura: Apparatus and method for tonal image processing. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, January 1, 1985: US04491875 (45 worldwide citation)

An apparatus for processing an image having half-tone and composed of plural pixels by dividing each of said pixels into small sections arranged in a matrix and respectively constituting micro-pixels with luminosity that can be respectively designated according to a determined gradation, by represen ...


8
Naoto Kawamura: Image processing apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, November 12, 1985: US04553173 (45 worldwide citation)

An image processing apparatus such as a laser beam printer or an ink jet printer can reproduce halftone images with a high resolution and a high gradation. Four subelements of an 8.times.8 matrix picture element which correspond to low gray levels are further divided into small regions. Threshold le ...


9
Naoto Kawamura, Yuji Nishigaki, Hidefumi Ohsawa: Image processing apparatus which converts m-bit image data to n-bit (n>m) image data. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, May 15, 1990: US04926268 (44 worldwide citation)

An image processing apparatus of this invention includes a digital data output device for outputting bi-level image data, a bi-level processor for converting the bi-level image data into multi-level (e.g., 8-bit) image data, a multi-level processor for performing spatial filter processing with respe ...


10
Tadashi Yoshida, Naoto Kawamura, Yoshihiro Ishida, Yasuji Hirabayashi, Mitsuru Maeda: Method and apparatus for encoding frequency components of image information. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, November 10, 1992: US05162923 (40 worldwide citation)

An image encoding method, and an apparatus therefor, enabling rapid comprehension of the outline of the entire image promptly, at the decoding of the encoded image information, and also an image encoding method, and an apparatus therefor, capable of efficient encoding adapted for the state of the im ...