Resources Contact Us Home
Yokoyama; Takashi
Osaka, JP
No. of patents:

Patent Number Title Of Patent Date Issued
6284661 Method and apparatus for producing a wafer September 4, 2001
A method and an apparatus for cutting a wafer from a crystalline ingot, by directing a stream or streams of etching gas at the crystalline ingot in a vacuum. Waste in cutting can be greatly minimized and the work environment can also be kept clean. Further, excellent surface smoothness c
5912186 Method for processing semiconductor material June 15, 1999
A method for processing semiconductor materials such as a crystalline ingot or a wafer and an apparatus employed therein. An etching gas is supplied on the surface of a semiconductor material, while laser irradiation or light quantum irradiation is applied on a predetermined part of the
5370836 Process of making porous fluoroplastics membrane for an air depolarized battery December 6, 1994
There is provided a method of making uniform porous fluoroplastic membranes having a high Gurley number and a narrow permeability range, this method comprising closing the pores on part of the surface of a fluoroplastic film by compression or by application of an ink. Also provided is a
5242763 Battery pack and its packaging method September 7, 1993
This invention relates to a battery pack composed of a plurality of flat type gas depolarizable galvanic cells such as the zinc-air battery system and its packaging method for such battery pack. More specifically, projections of a certain value of height are formed on at least one of the

  Recently Added Patents
Hardware/software debugging using memory access parameters
Isoselective polymerization of epoxides
Peer-to-peer method of deploying and managing executable code and associated plug-ins
Dynamic rebasing of persisted time information
Emergency whistle, flashlight, and compass
Device chip carriers, modules, and methods of forming thereof
Device for data routing in networks
  Randomly Featured Patents
Sole construction for energy storage and rebound
Die spring apparatus
OFDM channel estimator
Bottle opening machine
Method of and system for controlling fuel/air ratio in an internal combustion engine
Alkylene-bis-thioalkanoic acid amide stabilizers for synthetic resins and synthetic resin compositions containing the same
Method and apparatus for controlling the read clock signal rate of a first-in first-out (FIFO) data memory
Information processing system for relocating data and changing status information corresponding to the relocated data
Controlling resorption of bioresorbable medical implant material
Optional memory error checking