1
Ota Hidefumi, Shibata Tomohiro, Sato Yuichiro: Handpiece for ultrasonic surgical instrument, and horn. Miwatec, May 29, 2008: JP2008-119250 (79 worldwide citation)

PROBLEM TO BE SOLVED: To provide a handpiece for ultrasonic surgical instrument by which the distal end part of a horn can excellently be visualized, and to provide the horn.SOLUTION: The handpiece for ultrasonic surgical instrument includes: the horn whose distal end part is vibrated by ultrasonic ...


2
Satou Yuichirou, Ota Hidefumi: Coupling vibration to an ultrasonic hand piece. Miwatec, July 2, 2003: EP1323481-A2 (20 worldwide citation)

Surgical operation or others excellent in operability, safety, operation efficiency and precision are realized by outputting a vertical-torsional composite vibration through conversion processing of the longitudinal vibration from an ultrasonic oscillation mechanism and reducing the displacement spe ...


3
Ota Hidefumi: (Ja) 像ブレ補正装置、レンズ鏡筒、光学機器, (En) Image blur correction device, lens barrel, and optical device. Nikon Corporation, Ota Hidefumi, KAMATA Hisao, August 21, 2008: WO/2008/099642 (6 worldwide citation)

(EN) A small-sized image blur correction device, a lens barrel, and an optical device. The image blur correction device (90) has a base (91), a two-group holding frame (92) movable relative to the base (91), in a plane normal to the optical axis (O2) of an imaging optical system, a drive section inc ...


4
Ota Hidefumi, Watabe Hiroyuki: Manufacturing process of polymer polyol. Sanyo Chem, June 23, 2005: JP2005-162791 (5 worldwide citation)

PROBLEM TO BE SOLVED: To provide a manufacturing process for a polymer polyol by which the amount of coarse particles formed in the course of polymerization are reduced and a polymer polyol excellent in filtrability is obtained.SOLUTION: In the process for manufacturing a polymer polyol comprising c ...


5
Ota Hidefumi: Image shake correction device, lens barrel, and optical apparatus. Nikon, August 28, 2008: JP2008-197388 (5 worldwide citation)

PROBLEM TO BE SOLVED: To provide a compact image shake correction device, a lens barrel and an optical apparatus.SOLUTION: The image shake correction device 90 includes: a base part 91; a second holding frame 92 movable within a plane perpendicular to the optical axis O2 of a photographing optical s ...


6
Horiguchi Hidemasa, Mori Hirotake, Ota Hidefumi: Process for producing polymer polyol, and polymer polyol. Sanyo Chem, January 8, 2004: JP2004-002800 (4 worldwide citation)

PROBLEM TO BE SOLVED: To provide a process for producing a polymer polyol containing less residual monomer without lowering productivity upon production.SOLUTION: The process for producing the polymer polyol comprises distilling (II) an organic solvent from a mixed liquid comprising (I) a base polym ...


7
Watabe Hiroyuki, Ota Hidefumi: Method for producing polymer polyol. Sanyo Chem, April 20, 2006: JP2006-104236 (4 worldwide citation)

PROBLEM TO BE SOLVED: To provide a method for producing a polymer polyol by a continuous polymerization, having small amount of coarse particles produced during the polymerization and excellent in filterability.SOLUTION: This method for producing the polymer polyol by continuously polymerizing an et ...


8
Ota Hidefumi, Umeyama Kazuya: Electronic camera. Nikon, March 31, 2005: JP2005-086271 (3 worldwide citation)

PROBLEM TO BE SOLVED: To perform photographing without missing a shutter chance and perform appropriate red-eye reducing processing.SOLUTION: This electronic camera is provided with an imaging section for picking up the image of a subject and generating an image, an acquisition section for acquiring ...


9
Ota Hidefumi: Method for producing low resilience polyurethane foam. Sanyo Chem, October 28, 2004: JP2004-300352 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide a method for producing a polyurethane foam having low elastic resilience, an open-cell structure of high connection degree of the cells and small temperature dependency of the foam rigidity.SOLUTION: This polyurethane foam is produced by reacting (A) a polyol composi ...


10
Tsukahara Daiki, Ota Hidefumi: Camera. Nikon, August 22, 2000: JP2000-231149 (3 worldwide citation)

PROBLEM TO BE SOLVED: To prevent the occurrence of a vignetting when a teleconverter is mounted on a camera lens. SOLUTION: When a teleconverter mode is set, or when it is detected that the teleconverter is mounted, or when it is decided based on the photometric values in four corners of a photograp ...



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