Inventor
OYAMA TAKAMASA
JP19 patents
⚠️ This page may combine multiple inventors who share the name “OYAMA TAKAMASA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MERCK PATENT GMBH
11 patentsUS5122295AJun 16, 1992
Matrix liquid crystal display
MERCK PATENT GMBH69 citations95
US5378395AJan 3, 1995
Matrix liquid crystal display
MERCK PATENT GMBH20 citations92
US6905740B2Jun 14, 2005
Matrix liquid crystal display
MERCK PATENT GMBH7 citations74
US6562419B1May 13, 2003
Matrix liquid crystal display
MERCK PATENT GMBH6 citations74
US5519525AMay 21, 1996
Matrix liquid crystal display
MERCK PATENT GMBH10 citations74
US5516454AMay 14, 1996
Supertwist liquid crystal display
MERCK PATENT GMBH9 citations74
US5387369AFeb 7, 1995
Supertwist liquid crystal display
MERCK PATENT GMBH14 citations73
US7186447B2Mar 6, 2007
Matrix liquid crystal display
MERCK PATENT GMBH2 citations63
US6210760B1Apr 3, 2001
Supertwist liquid crystal display
MERCK PATENT GMBH4 citations62
US5876626AMar 2, 1999
Supertwist liquid crystal display
MERCK PATENT GMBH3 citations62
US7445818B2Nov 4, 2008
Matrix liquid crystal display
MERCK PATENT GMBH0 citations52
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD
6 patentsUS5715446AFeb 3, 1998
Information searching apparatus for searching text to retrieve character streams agreeing with a key word
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD26 citations88
US5870750AFeb 9, 1999
Information retrieval system for retrieving a record of data including a keyword
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD19 citations81
US5418712AMay 23, 1995
Manipulation performance evaluating apparatus for evaluating manipulation performance of a commodity having operating parts
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD14 citations73
US5915248AJun 22, 1999
Data searching apparatus
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD12 citations72
US6260051B1Jul 10, 2001
Recording medium and character string collating apparatus for full-text character data
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD8 citations71
US5463568AOct 31, 1995
Method and apparatus for measuring a distance of a route in a solid figure
MATSUSHITA ELECTRIC INDUSTRIAL CO LTD1 citations52