Inventor
NAKAI AKIRA
JP18 patents
⚠️ This page may combine multiple inventors who share the name “NAKAI AKIRA”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TAIHO PHARMACEUTICAL CO LTD
5 patentsUS4891369AJan 2, 1990
2β-Substituted-methylpenicillanic acid derivatives, and salts and esters thereof
TAIHO PHARMACEUTICAL CO LTD19 citations81
US4895941AJan 23, 1990
Process for preparing 2α-methyl-2β-(1,2,3-triazol-1-yl)methylpenam-3α-carboxylic acid derivatives
TAIHO PHARMACEUTICAL CO LTD7 citations74
US4861768AAug 29, 1989
2 β-substituted thiomethylpenicillin derivatives and their preparation and use
TAIHO PHARMACEUTICAL CO LTD17 citations73
US4898939AFeb 6, 1990
Process for preparing 2β-substituted-methylpenicillin derivatives
TAIHO PHARMACEUTICAL CO LTD6 citations63
US4933444AJun 12, 1990
Process for preparing 2β-substituted-methylpenicillin derivatives
TAIHO PHARMACEUTICAL CO LTD4 citations62
POLYPLASTICS CO
4 patentsUS5866670AFeb 2, 1999
Process for preparing polyacetal copolymer
POLYPLASTICS CO20 citations92
US5886139AMar 23, 1999
Process for producing polyacetal copolymer
POLYPLASTICS CO18 citations84
US5726276AMar 10, 1998
Process for preparing polyacetal copolymer
POLYPLASTICS CO16 citations74
US5728798AMar 17, 1998
Process for preparing polyacetal copolymer
POLYPLASTICS CO3 citations63