Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Inventor:
Yokoyama; Takashi
Address:
Osaka, JP
No. of patents:
4
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 and apparatus for analysis of histopathology images and its application to cancer diagnosis and grading
Computer program, system, and method for mapping Social Security claiming strategies
System and method for terminating communication sessions with roaming mobile devices
Positive electrode active material for nonaqueous electrolyte secondary battery
Single-chain variable fragment (scFv) able to recognize and bind CD99 human protein
Method and apparatus for linking a web browser link to a promotional offer
Method and system for calibrating laser profiling systems
  Randomly Featured Patents
Planetary hydraulic motor with stator gear hinged to a housing
Smokeless pyrolysis furnace with single thermocouple, and ramp and soak temperature control system
Aluminum support useful for lithography
Method and apparatus for forming a diffraction grating
Inkjet printer having nozzle displacement correction
Containment bag for use in a commercial disposal container
Paddle lock with pivotally mounted handle disconnect member
Communication system using passive optical network and passive optical network
Percussive slot cutter
Method of and machines for treating webs of photographic material