1
Hiroshi Ueno, Hisami Nishi: Method for collating independent figure elements between images. Nippon Sheet Glass, Woodcock Washburn Kurtz Mackiewicz & Norris, April 27, 1993: US05206917 (27 worldwide citation)

A method for collating independent figure elements in an object image with a reference image both including independent elements which are not interlinked with each other. The method comprises steps of defining a relative coordinate system in an image plane for the reference image and the object ima ...


2
Norman A Peppers, James R Young, Gerald A Pierce, Hisami Nishi: Image correlation calculation apparatus. Nippon Sheet Glass, Woodcock Washburn Kurtz Mackiewicz & Norris, November 5, 1991: US05063602 (20 worldwide citation)

In an image correlation calculation apparatus for optically calculating correlations between reference patterns and an image such as a character or any other figure, the image such as the character or any other figure subjected to correlation calculations is optically multiplied by a multiplier to f ...


3
Norman A Peppers, James R Young, Gerald A Pierce, Hisami Nishi, Kazuo Katsuki: Apparatus for preprocessing of character recognition. Nippon Sheet Glass, Woodcock Washburn Kurtz Mackiewicz & Norris, February 28, 1989: US04809344 (18 worldwide citation)

In an apparatus for preprocessing of character recognition so as to obtain data necessary for character recognition, page segmentation is performed by simultaneously extracting a plurality of features, separation between lines, separation between characters, and separation between the lines and the ...


4
Kazuo Katsuki, Norman A Peppers, James R Young, Gerald A Pierce, Hisami Nishi: Image recognition apparatus. Nippon Sheet Glass, Woodcock Washburn Kurtz Mackiewicz & Norris, September 4, 1990: US04955060 (15 worldwide citation)

In an image recognition apparatus for identifying an input image such as a character, any other graphic pattern or the like by comparing the input image with a plurality of reference image, an optical image recognition means simultaneously performs image information detection processing of a plurali ...


5
Hiroshi Ueno, Hisami Nishi, Minoru Toyama: Optical coupler. Nippon Sheet Glass, Dennis J Williamson, May 17, 1988: US04744620 (13 worldwide citation)

An optical coupler comprises a lens for coupling a light source and an optical fiber wherein the lens comprises a transparent column in which a refractive index n(r) at a distance r from an optical axis is expressed by n.sup.2 (r)=n.sub.0.sup.2 {1-(gr).sup.2 +h.sub.4 (gr).sup.4 +h.sub.6 (gr).sup.6 + ...


6
Norman A Peppers, James R Young, Hisami Nishi, Hiroshi Ueno: Page segmentor. Nippon Sheet Glass, Woodcock Washburn Kurtz Mackiewicz & Norris, March 28, 1989: US04817169 (11 worldwide citation)

In a page segmentor for dividing a page into areas each having a single feature, the division being performed as preprocessing for pattern recognition, one of the areas within the page is multiplied into multiple images, a feature of each area is extracted according to the presence or absence of eac ...


7
Hisami Nishi: Multi-dimensional laser Doppler velocimeter. Nippon Sheet Glass, Woodcock Washburn Kurtz Mackiewicz & Norris, February 5, 1991: US04990791 (9 worldwide citation)

A reference beam type optical laser Doppler velocimeter for emitting two or more probe beams to an object to be measured at a predetermined angle to multi-dimensionally measure a velocity and/or a displacement vector of the object due to Doppler shifts of beams reflected by the object. This velocime ...


8
Norman A Peppers, James R Young, Hisami Nishi, Hiroshi Ueno, Kazuo Katsuki: Lines and characters separation apparatus. Nippon Sheet Glass, Woodcock Washburn Kurtz Mackiewicz & Norris, May 2, 1989: US04827529 (9 worldwide citation)

In a lines and character separation apparatus for separating lines and characters in a document page, the separation being a step in pattern recognition, images are multiplied from one area within the page, a plurality of photosensor arrays are used which have different alignment directions of plura ...


9
Hisami Nishi, Minoru Toyama: Collimator lens. Nippon Sheet Glass, Woodcock Washburn Kurtz Mackiewicz & Norris, May 26, 1987: US04668053 (8 worldwide citation)

A collimator lens of graded index type for a semiconductor laser which can be manufactured at low cost and has the residual wavefront aberration equal to or less than that of a conventional collimator lens of spherical lens system is provided by comprising a rod lens of graded index type made of a c ...


10
Hisami Nishi, Minoru Toyama: Lens for an optical recording/reproducing apparatus and optical recording/reproducing apparatus using same. Nippon Sheet Glass, McDougall Hersh & Scott, May 26, 1987: US04668055 (5 worldwide citation)

In a lens for an optical recording/reproducing apparatus of the invention, a refractive index n(r) at a position of a distance r from an optical axis along a radial direction is given by: