1
Koutaro Yano, Nozomu Kitagishi: Projection type display apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, July 27, 1993: US05231431 (37 worldwide citation)

This specification discloses a projection type display apparatus in which the lights of a plurality of display means forming images of different color component lights are reflected by or transmitted through a dichroic mirror to effect color synthesis and the synthesized lights are projected onto a ...


2
Koutaro Yano, Hideo Takiguchi, Tatsushi Katayama, Kenji Hatori: Image synthesizing method. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, March 30, 2004: US06714689 (34 worldwide citation)

An image synthesizing method for synthesizing a plurality of images partially overlapping with each other, having the steps of inputting a plurality of image data each corresponding to a plurality of images, extracting a matching point of duplicate areas of desired two images partially overlapping w ...


3
Koutaro Yano, Nozomu Kitagishi, Tsunefumi Tanaka: Zoom lens. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, January 12, 1993: US05179473 (22 worldwide citation)

A zoom lens includes, in succession from the greatly conjugate side to the little conjugate side, a first lens unit having negative refractive power, and a second lens unit having positive refractive power. Zooming from the wide angle side to the telephoto side is effected by at least the second len ...


4
Nozomu Kitagishi, Shoji Suzuki, Shuichiro Saito, Masaharu Suzuki, Koutaro Yano, Toru Matsuda, Makoto Taniguchi: Projection optical apparatus comprising automatic adjustment unit. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, July 16, 1996: US05537168 (21 worldwide citation)

In a projection type display apparatus for illuminating a projection original image with light from a projection light source, and projecting light transmitted through the illuminated original image using a projection lens, light reflected by a projection surface is extracted from a position at an o ...


5
Koutaro Yano, Nozomu Kitagishi, Tsunefumi Tanaka: Projection apparatus. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, March 17, 1992: US05096288 (21 worldwide citation)

A projection display apparatus, which projects a magnified image onto a screen, comprises an image forming system, such as a display panel, a projector including a plurality of lenses for projecting the image onto the screen, and a decentering mechanism for decentering some lenses in the projector w ...


6
Koutaro Yano: Zoom lens having a long back focal length. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, July 19, 1994: US05331462 (19 worldwide citation)

In a retro-focus type lens divided into three lens units by the widest air spacing and the next widest air spacing, a first lens unit is disposed on a long conjugate side and has negative refractive power, and includes a negative lens and a lens provided with an aspherical surface, a second lens uni ...


7
Sadatoshi Takahashi, Koutaro Yano, Hiroshi Endo: Wide-angle type zoom lens having inner-focus lens. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, March 19, 1991: US05000550 (16 worldwide citation)

A zoom lens includes a first lens group having a negative refractive power and having an object-side sub-group stationary during focusing and an image-side sub-group arranged to move for focusing purposes, and a second lens group having a positive refractive power and arranged on the image side of t ...


8
Keiji Ikemori, Koutaro Yano, Hiroki Nakayama: Compact zoom lens. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, February 22, 1994: US05289317 (11 worldwide citation)

A zoom lens comprising, from front to rear, a first lens group of negative power, a second lens group of positive power and a third lens group of negative power, wherein as zooming from the wide-angle end to the telephoto end is performed by moving the first, second and third lens groups, the second ...


9
Shingo Hayakawa, Nozomu Kitagishi, Shouichi Yamazaki, Koutaro Yano: Retrofocus type lens. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, April 12, 1994: US05303087 (6 worldwide citation)

A retrofocus type lens having a plurality of lenses divided into three lens units, or, in the order from a screen, a first lens unit, a second lens unit and a third lens unit, wherein letting the focal length of the entire lens system be denoted by fT, and the distance from a lens surface on the sid ...


10
Koutaro Yano: Zoom lens. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, July 13, 1993: US05227919 (3 worldwide citation)

A zoom lens is disclosed comprising, in the order from a large conjugate side, a first lens unit of positive power, a second lens unit of negative power and a third lens unit of positive power, wherein when zooming from the wide-angle end to the telephoto end, the separation between the first and se ...