1
Yao Shinya, Yokoi Hideo: Composite oxide having oxygen absorbing and desorbing capability. Santoku Metal, May 1, 1996: EP0709351-A1 (4 worldwide citation)

A composite oxide having oxygen absorbing and desorbing capability contains 4.99-98.99% by weight of cerium oxide, 1-95% by weight of zirconium oxide and 0.01-20% by weight of hafnium oxide. The composite oxide includes PHI ' phase as a crystal phase and has oxygen absorbing and desorbing capability ...


2
Yao Shinya, Yokoi Hideo: Composite oxide having oxygen absorbing and desorbing capability and method for preparing same. Santoku Metal, April 17, 1996: EP0706980-A1 (2 worldwide citation)

A composite oxide having oxygen absorbing and desorbing capability contains 4.99-98.89% by weight of cerium oxide, 1-95% by weight of zirconium oxide, 0.01-20% by weight of hafnium oxide, and 0.1-10% by weight of an additional metal oxide selected from titanium oxide, tungsten oxide, nickel oxide, c ...


3
Yao Shinya, Yokoi Hideo: Method for preparing composite oxide having oxygen absorbing and desorbing capability. Santoku Metal, April 24, 1996: EP0708066-A1 (2 worldwide citation)

A method for preparing a composite oxide having oxygen absorbing and desorbing capability comprising the steps of: providing a starting composite oxide comprising cerium oxide, zirconium oxide, and hafnium oxide; subjecting said starting composite oxide to heating-deoxidation to give a deoxidized co ...


4
Yao Shinya, Yokoi Hideo: Composite oxide having oxygen absorbing and desorbing capability and method for preparing same. Santoku Metal, LUO CAIXI, October 22, 1996: CN95119163 (1 worldwide citation)

A composite oxide having oxygen absorbing and desorbing capability contains 4.99-98.89% by weight of cerium oxide, 1-95% by weight of zirconium oxide, 0.01-20% by weight of hafnium oxide, and 0.1-10% by weight of an additional metal oxide selected from titanium oxide, tungsten oxide, nickel oxide, c ...


5
Yao Shinya, Yokoi Hideo: Method for preparing composite oxide having oxygen absorbing and desorbing capability. Santoku Metal, LUO CAIXI, October 22, 1996: CN95119164 (1 worldwide citation)

A method for preparing a composite oxide having oxygen absorbing and desorbing capability involves the steps of: providing a starting composite oxide comprising cerium oxide, zirconium oxide, and hafnium oxide; subjecting the starting composite oxide to heating-deoxidation to give a deoxidized compo ...


6
Nishimura Kosuke, Usami Masashi, Tode Hideki, Murakami Kozo, Yao Shinya: Optical signal switching device. Kddi, Osaka Univ, May 28, 2009: JP2009-118023

PROBLEM TO BE SOLVED: To transfer an optical signal as light as it is with little deterioration and delay.SOLUTION: An optical matrix switch (30) can optically perform one-to-one connection between a plurality of input ports (1i to 12i) and output ports (1o to 12o) with an optional combination. Outp ...


7
Yao Shinya, Yokoi Hideo: Production of multiple oxide having oxygen absorbing-extruding ability. Santoku Kinzoku Kogyo, April 23, 1996: JP1996-103650

PURPOSE: To easily obtain a multiple oxide having superior oxygen absorbing- extruding ability by successively subjecting a multiple oxide contg. cerium oxide, zirconium oxide and hafnium oxide as essential components to reduction treatment under heating and oxidation treatment under heating. CONSTI ...


8
Yao Shinya, Yokoi Hideo: Composite oxide having oxygen-absorbing and releasing ability and its production. Santoku Kinzoku Kogyo, April 30, 1996: JP1996-109021

PURPOSE: To obtain the composite oxide having an excellent oxygenabsorbing and releasing ability and having a ϕ phase as a crystal phase by adding specific metal oxides. CONSTITUTION: A solution containing cerium ions, zirconium ions and hafnium ions is mixed with a solution containing other io ...


9
Yao Shinya, Yokoi Hideo: Composite oxide having oxygen-absorbing and releasing ability. Santoku Kinzoku Kogyo, April 30, 1996: JP1996-109020

PURPOSE: To obtain the composite oxide having a specific crystal phase and an excellent oxygen-absorbing and releasing ability by adding cerium oxide, zirconium oxide and hafnium oxide in prescribed amounts, respectively. CONSTITUTION: A cerium nitrate aqueous solution, a hafnium-containing zirconiu ...