1
Yoichi Hirose: Process for synthesis of diamond by CVD. Showa Denko Kabushiki Kaisha, Sughrue Mion Zinn Macpeak and Seas, March 28, 1989: US04816286 (98 worldwide citation)

A synthesizing process for diamond by the chemical vapor phase growth method, characterized by converting an organic compound containing carbon, hydrogen and at least one of oxygen and nitrogen, to a gas phase, mixing the gas with hydrogen gas, decomposing the mixed gas by an energy of heat, electro ...


2
Yoichi Hirose, Kunio Komaki: Vapor-phase method for synthesis of diamond. Yoichi Hirose, Showa Denko, Oblon Spivak McClelland Maier & Neustadt, July 3, 1990: US04938940 (54 worldwide citation)

A method for vapor-phase synthesis of diamond comprises burning a raw material compound for synthesis of diamond thereby forming a combustion flame, disposing a substrate for deposition of diamond in said combustion flame, and keeping said substrate at a prescribed temperature, thereby inducing depo ...


3
Yoichi Hirose: Information processing system and work flow management method therefor. Fuji Xerox, Finnegan Henderson Farabow Garrett & Dunner L, January 20, 1998: US05710921 (22 worldwide citation)

In a work flow management apparatus of the present invention, a packet of necessary information is given to each step when the step is started, and the step execution result is returned to the information packet from the step. Routing preprocessing unit is provided for adding an information field fo ...


4
Shiro Sasaki, Hiroshi Hasegawa, Yoichi Hirose: Cast alloy used for production of rare earth magnet and method for producing cast alloy and magnet. Showa Denko, Armstrong Westerman Hattori McCleland & Naughton, June 1, 1999: US05908513 (15 worldwide citation)

The magnetic properties of rare earth magnet are improved by means of forming a novel structure of the cast alloy used for the production of a rare earth magnet, which contains from 27 to 34% by weight of at least one rare earth element (R) including yttrium, from 07 to 1.4% by weight of boron, and ...


5
Kunio Komaki, Takashi Fujimaki, Masaaki Yanagisawa, Yoichi Hirose: Composite diamond grain. Showa Denko, Yoichi Hirose, Oblon Spivak McClelland Maier & Neustadt, December 10, 1991: US05071708 (13 worldwide citation)

A composite diamond grain which comprises a heat-resistant grain as a nucleus and discrete diamond crystal particles distributed on the surface of the grain or diamond crystal films formed to cover the entire surface of the grain and a method for producing the composite diamond grain by the vapor-ph ...


6
Shiro Sasaki, Hiroshi Hasegawa, Yoichi Hirose: Method for producing cast alloy and magnet. Showa Denko, Armstrong Westerman Hattori McLeland & Naughton, October 5, 1999: US05963774 (8 worldwide citation)

The magnetic properties of rare earth magnet are improved by means of forming a novel structure of the cast alloy used for the production of a rare earth magnet, which contains from 27 to 34% by weight of at least one rare earth element (R) including yttrium, from 0.7 to 1.4% by weight of boron, and ...


7
Kunio Komaki, Isamu Yamamoto, Takashi Fujimaki, Yoichi Hirose: Composite diamond granules. Showa Denko, Yoichi Hirose, Oblon Spivak McClelland Maier & Neustadt, January 14, 1992: US05080975 (8 worldwide citation)

Composite diamond granules using granules of a ceramic substance line SiC as cores and covering the cores with a polycrystalline diamond coating are produced by the vapor phase method. The granules clearly manifest an automorphic diamond face and possess pyramidal projections, square faces, or recta ...


8
Kunio Komaki, Takashi Fujimaki, Masaaki Yanagisawa, Yoichi Hirose: Composite diamond grain and method for production thereof. Showa Denko Kabushiki Kaisha, Yoichi Hirose, Oblon Spivak McClelland Maier & Neustadt, December 7, 1993: US05268201 (7 worldwide citation)

A composite diamond grain which comprises a heat-resistant grain as a nucleus and discrete diamond crystal particles distributed on the surface of the grain or diamond crystal films formed to cover the entire surface of the grain and a method for producing the composite diamond grain by the vapor-ph ...


9
Hiroshi Hasegawa, Shiro Sasaki, Yoichi Hirose, Shinya Fujito, Koichi Yajima: Alloy used for production of a rare-earth magnet and method for producing the same. Showa Denko, TDK Corporation, Armstrong Westerman Hattori McLeland & Naughton, September 7, 1999: US05948179 (6 worldwide citation)

An alloy used for the production of a rare-earth magnet alloy, particularly the boundary-phase alloy in the two-alloy method is provided to improve the crushability.


10
Hiroshi Hasegawa, Shiro Sasaki, Yoichi Hirose, Shinya Fujito, Koichi Yajima: Alloy used for production of a rare-earth magnet and method for producing the same. Showa Denko, TDK Corporation, Armstrong Westerman Hattori McLeland & Naughton, April 4, 2000: US06045629 (6 worldwide citation)

An alloy used for the production of a rare-earth magnet alloy, particularly the boundary-phase alloy in the two-alloy method is provided to improve the crushability.