Inventor
OHTA KAZUHIKO
JP12 patents
⚠️ This page may combine multiple inventors who share the name “OHTA KAZUHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TAKEDA CHEMICAL INDUSTRIES LTD
6 patentsUS4260599AApr 7, 1981
Antifibrotic substance P-1894B
TAKEDA CHEMICAL INDUSTRIES LTD9 citations73
US4569943AFeb 11, 1986
Physiologically active substance P-23924, its production and use
TAKEDA CHEMICAL INDUSTRIES LTD11 citations72
US4374981AFeb 22, 1983
Ultrafiltration of fermentation broth containing nucleosides to separate inosine and guanosine from the broth
TAKEDA CHEMICAL INDUSTRIES LTD9 citations71
US5156962AOct 20, 1992
Process for producing carboxylic acid esters using carboxyesterase and an anhydride in organic solvent
TAKEDA CHEMICAL INDUSTRIES LTD17 citations69
USRE34414EOct 19, 1993
Physiologically active substance P-23924, its production and use
TAKEDA CHEMICAL INDUSTRIES LTD1 citations51
US4535155AAug 13, 1985
Method for separating cephalosporins
TAKEDA CHEMICAL INDUSTRIES LTD0 citations49
TOPPAN PRINTING CO LTD
4 patentsUS4396448AAug 2, 1983
Decorative laminate and a manufacturing method therefor
TOPPAN PRINTING CO LTD81 citations96
US5928762AJul 27, 1999
Laminate of a base material and an embossed sheet
TOPPAN PRINTING CO LTD48 citations93
US6136414AOct 24, 2000
Embossed sheet and a method of producing a laminate including that sheet
TOPPAN PRINTING CO LTD16 citations89
US4971854ANov 20, 1990
Transfer sheet and method for preparation of thermosetting resin decorative material
TOPPAN PRINTING CO LTD30 citations86