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
Method for forming ventilation holes in an electrode plate
Music composition automation including song structure
Processor and data transfer method
Method for forming a semiconductor device using selective epitaxy of group III-nitride
Substituted di-arylhydantoin and di-arylthiohydantoin compounds and methods of use thereof
Inter vehicle communication system
Fabric-backplane enterprise servers with pluggable I/O sub-system
  Randomly Featured Patents
Oscillator controller with first and second voltage reference
Monoclonal antibody specific for a 14kd protein obtained from N gonorroeae
Method of bonding glass fibers or other substrates to various polymers by oxidizing the molten polymer surface, and articles produced thereby
Dual mode plasma arc torch
Method and apparatuses for pre-screening
Combination bobber and fish hook remover
Optical module package and optical module
Exhaust gas purification device for an internal combustion engine
Internal power supply circuit, semiconductor device, and manufacturing method of semiconductor device
Objective changer having reflected light illumination for light microscopes