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 ...

Hiroshi Ooki, Yutaka Iwasaki, Jun Iwasaki, Tsuneyuki Hagiwara: Apparatus for observing a surface using polarized light. Nikon Corporation, Foley & Lardner, June 9, 1998: US05764363 (49 worldwide citation)

An observation apparatus of the present comprises (i) a light source for generating light; (ii) a separating optical system which splits the light from the light source into two different polarized light beams; (iii) a condenser optical system which converges the two polarized light beams from the s ...

Hiroshi Oki, Jun Iwasaki, Takashi Shionoya, Yutaka Iwasaki, Keiji Matsuura: Confocal laser scanning mode interference contrast microscope, and method of measuring minute step height and apparatus with said microscope. Nikon Corporation, Shapiro and Shapiro, December 3, 1996: US05581345 (20 worldwide citation)

A confocal laser scanning mode interferene contrast microscope comprises a laser source, an illuminating optical system for condensing a light beam from the laser source and forming a light spot on an object to be examined, a condensing optical system for condensing the light beam from the object to ...

Keiji Yano, Isao Tezuka, Yutaka Iwasaki: Sealing apparatus. Tetra Laval Holdings & Finance, Burns Doane Swecker & Mathis L, January 2, 2001: US06167681 (9 worldwide citation)

A sealing apparatus is provided with a sealing block and inductors embedded in the sealing block. Each of the inductors is partially exposed above the surface of the sealing block and is provided with a first pressing portion for pressing the packaging material. The sealing apparatus also includes c ...

Hideya Inoue, Yutaka Iwasaki, Hideki Sasaki: Search supporting system, search supporting method and search supporting program. Nikon Corporation, Oliff & Berridge, November 6, 2012: US08306872 (8 worldwide citation)

In a database, product image data is accumulated. A search portion acquires product image data having the image characteristics information that is the same as or similar to the image characteristics information that indicates the characteristics of the image of input image data from the database fo ...

Hitoshi Hongu, Yutaka Iwasaki: Gas laser oscillating device. Matsushita Electric Industrial, Wenderoth Lind & Ponack, December 7, 1993: US05268919 (5 worldwide citation)

A gas laser oscillating unit comprises: an electric discharge tube 1 for generating an electric discharge which is to be used as a laser excitation source for laser gas flowing in one direction 17 between an anode 3 and a cathode 2 which are made of a metal material and located at both ends of the e ...

Hiroshi Ohki, Rieko Arimoto, Yutaka Iwasaki, Jun Iwasaki: Detection of phase and amplitude modulation information on optical medium with a waveguide. Nikon Corporation, Shapiro and Shapiro, August 22, 1995: US05444689 (5 worldwide citation)

An optical recording medium includes a substrate, first information for modulating a phase of read light radiated on the substrate, and second information for modulating an amplitude of the read light radiated on the substrate. The first information and the second information are arranged in paralle ...

Hiroshi Ooki, Yutaka Iwasaki, Jun Iwasaki: Minute step measuring method. Nikon Corporation, Shapiro and Shapiro, December 2, 1997: US05694220 (2 worldwide citation)

A minute step measuring method comprises forming a laser spot on an object by condensing light from a laser light source, condensing light beams from the object on an end face of a double-mode waveguide, branching light propagating in the double-mode waveguide into two channel waveguides, detecting ...

Shigeo Shimoya, Yutaka Iwasaki, Tadashi Ishii, Hikoji Iwasaki: Motor actuated buzzer assembly with a plurality of leaf springs of different frequencies. Kobishi Electric, Cushman Darby & Cushman, September 8, 1987: US04692741 (1 worldwide citation)

A motor actuated buzzer includes a motor mounted on a body, at least one cam member fixedly mounted on an output shaft of the motor, a sound generating plate mounted on the body, and a hammer for striking the sound generating plate, the cam having a plurality of radial protrusions. At least one leaf ...

Yutaka Iwasaki, Masahiko Kubo: Microwave excitation gas laser oscillating apparatus. Matsushita Electric Industrial, Parkhurst & Wendel L, April 16, 2002: US06373873 (1 worldwide citation)

Based on an oscillation ON/OFF signal and an output state instruction signal output to a high-voltage generating circuit (