1
Yasuhito Takahashi, Tomio Kawaguchi, Shigeru Sakai: Catalysts for hydrotreating hydrocarbons and methods of preparing the same. Sumitomo Metal Mining Company, Watson Cole Grindle & Watson, February 12, 1991: US04992403 (18 worldwide citation)

Catalysts for hydrotreating hydrocarbons are composed of a carrier substance consisting essentially of an oxide of aluminum and/or an oxide hydrate of aluminum, at least one compound selected from water-soluble compounds of metals of Group VI and Group VIII of the Periodic Table and at least one org ...


2
Masami Kaneyoshi, Shigeru Sakai: Method for the preparation of globular particles of a rare earth oxide. Shin-Etsu Chemical, Wenderoth Lind & Ponack, August 13, 1996: US05545386 (17 worldwide citation)

Proposed is a method for the preparation of a rare earth oxide powder consisting of particles having a globular particle configuration to be suitable as a base material of phosphors. The method comprises the steps of mixing an aqueous solution of a rare earth salt and an aqueous alkaline solution, e ...


3
Kazuhiro Wataya, Shigeru Sakai: Method for the preparation of fine globular particles of yttrium oxide. Shin-Etsu Chemical, Wenderoth Lind & Ponack L, March 9, 1999: US05879647 (14 worldwide citation)

An improvement is proposed in the so-called urea method for the preparation of fine particles of yttrium oxide, according to which, while an aqueous reaction mixture containing a water-soluble yttrium salt, e.g., nitrate, and urea dissolved therein in specified concentrations is heated at 90.degree. ...


4
Fumihiko Saito, Shigeru Sakai: Hydroxide-coated rare earth oxide particles. Shin-Etsu Chemical, Dougherty & Troxell, June 22, 1999: US05914287 (14 worldwide citation)

Proposed is a powder consisting of rare earth oxide-based composite particles having an average particle diameter in the range from 0.1 to 100 .mu.m, each of which has a composite structure consisting of a core of a rare earth oxide and a coating layer of a rare earth hydroxide, the coating layer of ...


5
Shigeru Sakai, Kazunori Kudo: Apparatus for controlling transmitter-receiver. Kabushiki Kaisha Kenwood, Gerald J Ferguson Jr, Michael P Hoffman, Michael J Foycik Jr, December 29, 1987: US04716576 (10 worldwide citation)

An apparatus for controlling a transmitter-receiver which can transmit and receive an aural signal and a data signal. In the transmission mode, the control apparatus detects a data transmission instruction of the transmitter-receiver and changes to the mode in that the data signal is supplied to the ...


6
Yasushi Takai, Yuji Kimura, Shigeru Sakai: Non-stoichiometric ytterbium phosphate powder of low infrared reflectivity. Shin-Etsu Chemical, Dougherty & Troxell, June 15, 1999: US05911921 (9 worldwide citation)

Proposed is a powder of ytterbium phosphate having a non-stoichiometric phosphorus to ytterbium molar ratio of 1.08 to 2.0 and having a specified average particle diameter and specified diameter of the crystallites forming the particles. The powder is useful as an infrared-absorbing pigment in a pri ...


7
Yuji Kimura, Shigeru Sakai: Particles of rare earth phosphate and method for the preparation thereof. Shin-Etsu Chemical, Wenderoth Lind & Ponack, October 22, 1996: US05567403 (9 worldwide citation)

Proposed is a method for the preparation of a rare earth phosphate powder or, in particular, a composite rare earth phosphate powder of lanthanum, cerium and terbium having properties suitable for use as a base material of phosphors in fluorescent lamps in respect of particle size distribution of 1- ...


8
Shigeru Sakai, Toru Mangahara, Kazuo Umeda, Kiyoshi Oguchi, Mitsuru Tsuchiya: Electrode for rechargeable battery with nonaqueous electrolyte and process for producing the same. Furukawa Denchi Kabushiki Kaisha, Dai Nippon Printing, Parkhurst & Wendel L, December 8, 1998: US05846674 (7 worldwide citation)

An electrode for a rechargeable battery with a nonaqueous electrolyte is provided wherein the active material layer has a sufficient flexibility, the adhesion between the active material coating and the metal foil collector is good, none of peeling, falling, cracking and other unfavorable phenomena ...


9
Yasuhito Takahashi, Shigeru Sakai, Yoshimasa Inoue: Catalysts for hydrotreating hydrocarbons and method of activating the same. Sumitomo Metal Mining Company, Watson Cole Grindle & Watson, July 4, 1989: US04845068 (7 worldwide citation)

Supported catalysts for hydrotreating hydrocarbons comprise (a) at least one member selected from the group consisting of oxides of metals in Groups IV and VIII of the Periodic Table, and (b) at least one organic compound having a mercapto radical or radicals (--SH) selected from the group consistin ...


10
Yasuhito Takahashi, Shigeru Sakai: Catalyst for hydrotreatment of hydrocarbons and method for production thereof. Watson Cole Grindle & Watson, January 1, 1991: US04981828 (7 worldwide citation)

A catalyst for the hydrotreatment of a hydrocarbon oil comprises a carrier of an inorganic oxide and an active component supported on the carrier and formed of at least one member selected from the group consisting of water-soluble compounds of molybdenum, tungsten, and the metal of Group 8 in the P ...