1
Yuji Manabe, Kazuya Okamoto, Yutaka Iwasaki, Yukiharu Okubo: Projection apparatus and method. Nikon Corporation, Klarquist Sparkman Campbell Leigh & Whinston, May 27, 1997: US05633755 (53 worldwide citation)

A projection apparatus is disclosed that can be used for projection TV and related applications. The apparatus comprises a light source, a projection optical system, a DMD with multiple micromirrors, and a controller for individually controlling the tilt of the micromirrors. The projection optical s ...


2
Yuji Manabe: Multi-axis optical lens. Nikon Corporation, Klarquist Sparkman Campbell Leigh & Whinston, July 21, 1998: US05784209 (21 worldwide citation)

An optical lens is disclosed that is suitable for use in a line scanner or analogous device. The lens has multiple optical axes individually corresponding to a respective refractive combination comprising a first and an opposing second refractive surface. The lens is movable, preferably by rotation ...


3
Hideaki Shimonura, Yuji Manabe, Tetsuo Hattori, Masaaki Kusano, Atsushi Sekine: Projection-display apparatus. Nikon Corporation, Mitsubishi Denki Kabushiki Kaisha, Klarquist Campbell Leigh & Whinston Sparkman, September 28, 1999: US05959778 (17 worldwide citation)

Apparatus is disclosed that provides a high-luminance projected image with no color shading or uneven contrast. Light from a light source undergoes color separation by passing through a color-separation optical system (e.g., a cross-dichroic mirror or cross-dichroic prism). The light from the light ...


4
Yuji Manabe: Illuminating system, projection apparatus and detecting apparatus. Nikon Corporation, Shapiro and Shapiro, December 5, 1995: US05473393 (15 worldwide citation)

Disclosed are a projection apparatus, an illuminating system and a detecting apparatus with the illuminating system. The projection apparatus includes a light valve, a light source, a fly's eye lens disposed in light beams from the light source, a relay optical system, having an optical axis paralle ...


5
Yuji Manabe: Projection apparatus. Nikon Corporation, Shapiro and Shapiro, September 10, 1996: US05555041 (13 worldwide citation)

A projection apparatus includes a light source having a light emitting portion having a finite size, a concave reflecting mirror for condensing light from the light source, a condenser lens unit for converting the beam of light from the concave reflecting mirror into a substantially collimated beam ...


6
Yuji Manabe, Tetsuo Hattori: Color-projection apparatus operable to project a high-contrast image with minimal change in the state or phase of polarization of light flux. Nikon Corporation, Klarquist Sparkman, January 14, 2003: US06507326 (13 worldwide citation)

To suppress light loss without deteriorating resolution of a projected image, light is first polarized and separated by a polarizing beam splitter. Green light is separated from a light flux emitted by the polarizing beam splitter by a dichroic mirror having a green light reflection property. A ligh ...


7
Yuji Manabe: Objective lens for an optical disk drive. Nikon Corporation, Shapiro and Shapiro, November 14, 1995: US05467225 (12 worldwide citation)

An optical lens for an optical disk drive suppresses a chromatic aberration to a sufficiently small level and attain a numerical aperture of as large as 0.55. It comprises a biconvex positive lens and a meniscus negative lens arranged in this order as viewed toward an optical disk to form a two-piec ...


8
Yuji Manabe: Projection type display device. Nikon Corporation, Miles & Stockbridge P C, June 11, 2002: US06404552 (8 worldwide citation)

A projection type display device constructed so that light source beams via a polarization beam splitter are separated of colors by a color separating/synthesizing optical system and enter light valves disposed for every color light, the light beams exiting from the respective light valves are synth ...


9
Kiyoshi Numazaki, Yuji Manabe, Tetsuo Hattori: Projection type display apparatus. Nikon Corporation, Foley & Lardner, May 8, 2001: US06227670 (7 worldwide citation)

The projection type display apparatus according to the present invention has a prism for separating incident light into a plurality of light components and combining the plurality of modulated color components. The prism is constituted by a plurality of prism assemblies, each including an optical me ...


10
Hideaki Shimonura, Yuji Manabe, Tetsuo Hattori, Masaaki Kusano, Atsushi Sekine: Projection-display apparatus. Nikon Corporation, Klarquist Sparkman Campbell Leigh & Whinston, October 31, 2000: US06141151 (6 worldwide citation)

Apparatus are disclosed that provide a high-luminance projected image with no color shading or uneven contrast. Light from a light source undergoes color separation by passing through a color-separation optical system (e.g., a cross-dichroic mirror or cross-dichroic prism). The light from the light ...