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Inventor
YUYAMA TAKESHI
JP
7 patents
⚠️ This page may combine multiple inventors who share the name “YUYAMA TAKESHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
RICOH KK
3 patents
US5328754A
Jul 12, 1994
Thermosensitive image transfer ink sheet
RICOH KK
40 citations
92
US5622909A
Apr 22, 1997
Thermosensitive recording materials
RICOH KK
17 citations
73
US5352527A
Oct 4, 1994
Thermal image transfer recording medium
RICOH KK
9 citations
73
DU PONT
3 patents
US5017215A
May 21, 1991
Herbicides for weed control in rice
DU PONT
11 citations
68
US4798621A
Jan 17, 1989
Selective method-of-use of oxabicycloalkanes
DU PONT
5 citations
57
US4584010A
Apr 22, 1986
Method for controlling weeds in paddy rice
DU PONT
3 citations
57
YUYAMA TAKESHI
1 patent
US8195078B2
Jun 5, 2012
Processing method of waste toner and processing device of waste toner and image forming device
YUYAMA TAKESHI
0 citations
43