1
Hibino Yutaka, Ishii Takaya, Okahara Haruo, Yano Masayuki: Die for molding magnesium having sliding resistance improved, and surface treatment method thereof. Ion Engineering Research Institute, Kasatani, November 11, 2004: JP2004-315876 (3 worldwide citation)

PROBLEM TO BE SOLVED: To provide a die surface having superior mold release characteristics in order to finish a molded magnesium product into a smooth and glossy surface, by optimizing the material and the surface treatment of a die for press-molding magnesium, decreasing a coefficient of friction ...


2
Sasaki Hiroshi, Okahara Haruo: Corrosion inhibitor for acid cleaning of metal, cleaning liquid composition containing the same, and cleaning of metal by using the same. Asahi Kagaku Kogyo, April 4, 2000: JP2000-096049 (2 worldwide citation)

PROBLEM TO BE SOLVED: To obtain a corrosion inhibitor for acid cleaning of a metal, capable of efficiently inhibiting the corrosion of the metal, hardly causing local corrosion, providing high whiteness after cleaning, when the metal is subjected to the acid cleaning, and useful for an iron and stee ...


3
Okahara Haruo: Silicon processing water-soluble cutting agent composition and processing method. Okahara Haruo, April 6, 2006: JP2006-088455 (2 worldwide citation)

PROBLEM TO BE SOLVED: To prevent the generation of a hydrogen gas at the time of processing of silicon while suppressing a rise in the viscosity of slurry.SOLUTION: This silicon processing water-soluble cutting agent composition is prepared by compounding an oxidizing agent for oxidizing a silicon f ...


4
Yano Masayuki, Hiromoto Yoshitaka, Kajiwara Nobuyuki, Okahara Haruo, Saito Yoshiro: Lubricant for warm plastic forming of magnesium and magnesium alloy and forming method using the lubricant. Kasatani, February 19, 2004: JP2004-051870 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide a lubricant for the warm plastic forming of magnesium and a magnesium alloy without using a physical removing process such as shot blast and magnetic barrel for removing a solid lubricant, and provide a warm plastic forming method using the lubricant and a plastic fo ...


5
Matsumura Kenju, Okahara Haruo: Surface treatment method for lithium based magnesium alloy material. Million Kagaku, Kasatani, June 20, 2003: JP2003-171776 (1 worldwide citation)

PROBLEM TO BE SOLVED: To provide a surface treatment method by which a coating film having a satisfactory coating appearance, having no occurrence of blistering, peeling or the like after coating with the lapse of time, and having sufficiently high corrosion resistance can be formed on a lithium bas ...


6
Okahara Haruo, Yano Masayuki, Kajihara Nobuyuki, Kino Shingo, Higashi Kenji: (Ja) 板金プレス加工方法、その金型及び成形品, (En) Press-working method for sheet metal, die therefor, and formed product. Kasatani, Public University Corporation Osaka Prefecture University, Okahara Haruo, Yano Masayuki, Kajihara Nobuyuki, Kino Shingo, Higashi Kenji, Saegusa Kitahama TNK Building 1 7 1 Doshomachi Chuo ku Osaka shi Osaka 5410045, August 6, 2009: WO/2009/096309

(EN) A press-working method for a metal plate material uses a die having an upper die and a lower die which have pressing surfaces the outlines of which are determined so that surface irregularities composed of protrusions caused by concentration of a fluid material during press-working and of depre ...


7
Okahara Haruo, Yano Masayuki, Azuma Kenji: Mold for molding magnesium alloy, method of manufacturing it and method of molding magnesium alloy. Kasatani, Osaka Prefecture Univ, April 24, 2008: JP2008-093686

PROBLEM TO BE SOLVED: To provide technique for molding a high-quality molded article of a magnesium alloy on the surface of which slip marks or the like are not generated.SOLUTION: In the mold for molding the magnesium alloy which is made by successively stacking a carbon implanted layer which is ma ...


8
Okahara Haruo, Azuma Kenji: Manufacturing method of catalyst for fuel cell, and method for carrying catalyst. Kasatani, July 12, 2007: JP2007-179963

PROBLEM TO BE SOLVED: To provide a method for carrying a catalyst whereby a catalyst metal is more strongly carried by a catalyst carrier.SOLUTION: In this manufacturing method of the catalyst for a fuel cell, a conductive carrier (carbon for example) is made to carry the catalyst metal (platinum fo ...


9
Azuma Kenji, Okahara Haruo, Yano Masayuki, Hiromoto Yoshitaka, Kajiwara Nobuyuki: Magnesium-based material processed product and its production method. Osaka Industrial Promotion Organization, Kasatani, August 10, 2006: JP2006-205173

PROBLEM TO BE SOLVED: To provide a magnesium-based material processed product which can be produced with good productivity without variation in quality and its production method.SOLUTION: The production method of the magnesium-based material processed product includes a raw material heating process ...


10
Okahara Haruo, Yano Masayuki, Hiromoto Yoshitaka, Kajiwara Nobuyuki: Male press die, press method and condensing plate for condenser type spherical silicon solar cell manufactured by using the same press method. Kasatani, July 3, 2008: JP2008-149332

PROBLEM TO BE SOLVED: To provide a male press die and a press method by which the nose parts of wall surfaces in the boundary between concave parts are sharply formed when forming a plurality of adjacent concave parts on a working object and a condensing plate for condenser type spherical silicon so ...



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