Inventor
MISUMI KOUICHI
JP4 patents
⚠️ This page may combine multiple inventors who share the name “MISUMI KOUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKYO OHKA KOGYO CO LTD
2 patentsUS6641972B2Nov 4, 2003
Positive photoresist composition for the formation of thick films, photoresist film and method of forming bumps using the same
TOKYO OHKA KOGYO CO LTD21 citations91
US7419769B2Sep 2, 2008
Negative photoresist compositions for the formation of thick films, photoresist films and methods of forming bumps using the same
TOKYO OHKA KOGYO CO LTD4 citations61
TOYKO OHKA KOGYO CO LTD
2 patentsUS7063934B2Jun 20, 2006
Negative photoresist compositions for the formation of thick films, photoresist films and methods of forming bumps using the same
TOYKO OHKA KOGYO CO LTD15 citations90
US7129018B2Oct 31, 2006
Negative photoresist compositions for the formation of thick films, photoresist films and methods of forming bumps using the same
TOYKO OHKA KOGYO CO LTD2 citations60