Inventor
YOKOYAMA YOSHIO
JP23 patents
⚠️ This page may combine multiple inventors who share the name “YOKOYAMA YOSHIO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SUMITOMO ELECTRIC INDUSTRIES
8 patentsUS6535679B2Mar 18, 2003
Optical fiber and method of manufacturing the same
SUMITOMO ELECTRIC INDUSTRIES23 citations92
US6360046B1Mar 19, 2002
Dispersion-shifted optical fiber
SUMITOMO ELECTRIC INDUSTRIES29 citations92
US6275638B1Aug 14, 2001
Dispersion-shifted fiber
SUMITOMO ELECTRIC INDUSTRIES18 citations84
US6519403B1Feb 11, 2003
Optical fiber and method of making the same
SUMITOMO ELECTRIC INDUSTRIES12 citations74
US6474108B2Nov 5, 2002
Fiber preform method with a hot drill-in step for a Ge-doped tube and an F-doped rod
SUMITOMO ELECTRIC INDUSTRIES7 citations74
US6748769B2Jun 15, 2004
Method of producing glass particles deposit
SUMITOMO ELECTRIC INDUSTRIES9 citations72
US6697559B2Feb 24, 2004
Optical fiber and method of making the same
SUMITOMO ELECTRIC INDUSTRIES3 citations63
US6889529B2May 10, 2005
Method of manufacturing optical fiber preform
SUMITOMO ELECTRIC INDUSTRIES0 citations51
MAKITA ELECTRIC WORKS LTD
4 patentsUS5118023AJun 2, 1992
Two-stage returning mechanism
MAKITA ELECTRIC WORKS LTD59 citations96
US5004140AApr 2, 1991
Electrically-operated tacker
MAKITA ELECTRIC WORKS LTD35 citations92
USD306657SMar 20, 1990
Power driven brush for cleaning carpets, floors or the like
MAKITA ELECTRIC WORKS LTD23 citations92
USD320727SOct 15, 1991
Portable electric grinder
MAKITA ELECTRIC WORKS LTD9 citations74
NIPPON DENSO CO
3 patentsUS5440650AAug 8, 1995
Image processing system for inspection of overprinted matter
NIPPON DENSO CO33 citations90
US5296942AMar 22, 1994
Method and apparatus for inspecting lightness on the surface of an object
NIPPON DENSO CO12 citations72
US5872871AFeb 16, 1999
Method and device for measuring the position of a pattern
NIPPON DENSO CO16 citations71