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Hirano Yasuhiro, Ishikura Kazuo, Sugiyama Masato, Nakajima Mitsuo, Kurita Toshiyuki, Takata Haruki, Kimura Shoji, Tsuru Yasutaka, Kanehachi Takashi, Matono Takaaki: Conversion apparatus for image signals and tv receiver. Hitachi, December 9, 1998: EP0883298-A2 (25 worldwide citation)

A system conversion apparatus and method for image signals are disclosed, in which an interlaced scanning image signal S1 is converted into a progressive scanning image signal S2 by an IP converter (1), a block-based motion vector is searched for based on the progressive scanning image signal S2 by ...


2
Hirano Yasuhiro, Ishikura Kazuo, Sugiyama Masahito, Nakajima Mitsuo, Tsuru Yasutaka, Matono Takaaki, Takada Haruki, Kanehachi Takashi: Motion vector deciding method and method and circuit for number of frames of image signal conversion. Hitachi, May 12, 2000: JP2000-134585 (19 worldwide citation)

PROBLEM TO BE SOLVED: To provide a motion correction type conversion circuit which converts the number of frames of image signals with reduced deterioration of picture quality. SOLUTION: A motion vector PV is generated for every pixel at a motion vector generation part 3 based on an input image sign ...


3
Hirano Yasuhiro, Ishikura Kazuo, Sugiyama Masato, Nakajima Mitsuo, Kimura Shoji, Kurita Toshiyuki, Itagaki Tsuguo, Takata Haruki: Signal processing method and circuit for format conversion of picture signal. Hitachi, April 22, 1998: EP0837601-A2 (17 worldwide citation)

In order to carry out a format conversion or a scaling processing on a picture signal by a memory of small capacity, interlace scanning picture signals are converted into progressive scanning picture signals by interpolation by using an IP converter 1 and a multiple-scan converter 3. Scaling process ...


4
Hirano Yasuhiro, Ishikura Kazuo, Sugiyama Masato, Nakajima Mitsuo, Kurita Toshiyuki, Matono Takaaki, Takata Haruki: Method and apparatus for video signal conversion. Hitachi, April 14, 1999: EP0909092-A2 (9 worldwide citation)

A method and apparatus for video signal format conversion are provided which can suppress picture quality deterioration by simple signal processing, and produce high-quality pictures with low cost. A motion compensation frame rate converter (2) detects a motion vector BV by using a block unit motion ...


5
Hirano Yasuhiro, Akiba Masatsugu, Yokota Akira, Nakamura Hiroshi, Naitoh Shigeki: Epoxy resin, resin composition, and resin-encapsulated semiconductor device. Sumitomo Chemical Co, October 30, 1996: EP0739877-A2 (8 worldwide citation)

The stilbene epoxy resin having two different aryl groups of the following formula: wherein R1 through R8 independently represent acyclic or cyclic alkyl groups having 1 through 6 carbon atoms, hydrogen atom or halogen atoms, and the epoxy resin mixture including such stilbene epoxy resin according ...


6
Hirano Yasuhiro, Matono Takaaki, Takada Haruki, Hasegawa Takashi, Ishikura Kazuo, Sugiyama Masahito, Nakajima Mitsuo, Tsuru Yasutaka: System and device for converting number of movement compensation frames of picture signal. Hitachi, January 26, 2001: JP2001-024988 (6 worldwide citation)

PROBLEM TO BE SOLVED: To convert the number of movement compensation frames at low cost with high picture quality by outputting the picture signal sequence of successive scanning subjected to the conversion of the number of movement compensation frames.SOLUTION: An MC signal generating part 5 moves ...


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Hirano Yasuhiro, Sugiyama Masahito, Nakajima Mitsuo, Tsuru Yasutaka, Matono Takaaki, Takada Haruki, Ishikura Kazuo: Method and circuit for detecting motion vector. Hitachi, July 18, 2000: JP2000-201328 (6 worldwide citation)

PROBLEM TO BE SOLVED: To highly accurately and efficiently detect a motion vector suitable for motion correcting processing by performing search processing to a mini block for which a block is horizontally/vertically fractionized, based on this motion vector. SOLUTION: Among detected reference vecto ...


8
Hirano Yasuhiro, Kabuto Nobuaki, Tsuru Yasutaka, Kobori Tomoo, Nakajima Mitsuo: Image display device. Hitachi, September 22, 2000: JP2000-259146 (5 worldwide citation)

PROBLEM TO BE SOLVED: To obtain an image display device which is suitable for a display device such as PDP and a micromirror device. SOLUTION: A moving vector detection part 7 detects a moving vector MV needed for a movement compensating process from an input image signal S1. An MCIP part 1 generate ...


9
Matsuoka Yoshiki, Hirano Yasuhiro, Nakajima Nobuyuki: Epoxy resin composition and resin-encapsulated semiconductor device. Sumitomo Chemical Co, September 22, 1999: EP0943639-A2 (4 worldwide citation)

An epoxy resin composition comprising (A) a bifunctional crystalline epoxy compound, (B) an amorphous trisphenolmethane type epoxy compound having three or more of epoxy groups in a molecule, and (C) an epoxy curing agent having phenolic hydroxyl groups. The resin composition has an excellent moldab ...


10
Hirano Yasuhiro, Endo Yasuhiro, Takebe Kazuo, Shibata Mitsuhiro, Kanagawa Shuichi, Shiomi Yutaka, Akiba Masatsugu, Kitayama Shinichiro: Unsaturated imide compounds containing alicyclic structure.. Sumitomo Chemical Co, May 4, 1994: EP0595230-A1 (4 worldwide citation)

An unsaturated imide compound represented by formula (1): wherein Q is an alicyclic structure-containing hydrocarbon group having 4-20 carbon atoms; each of R1, R2, R3, R4, Ri and Rj represents a hydrogen atom, a halogen atom, a hydrocarbon group having 1-6 carbon atoms or a halogen-containing hydro ...



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