Inventor
NAGAMINE TAKASHI
JP26 patents
⚠️ This page may combine multiple inventors who share the name “NAGAMINE TAKASHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOKYO OHKA KOGYO CO LTD
18 patentsUS9851637B2Dec 26, 2017
Resist composition, method of forming resist pattern, compound, and acid diffusion control agent
TOKYO OHKA KOGYO CO LTD7 citations83
US9354515B2May 31, 2016
Resist composition, acid generator, polymeric compound and method of forming resist pattern
TOKYO OHKA KOGYO CO LTD5 citations73
US11099479B2Aug 24, 2021
Resist composition, method of forming resist pattern, polymeric compound, and copolymer
TOKYO OHKA KOGYO CO LTD2 citations71
US10437147B2Oct 8, 2019
Resist composition and method for forming resist pattern
TOKYO OHKA KOGYO CO LTD5 citations71
US10401727B2Sep 3, 2019
Resist composition and method of forming resist pattern
TOKYO OHKA KOGYO CO LTD1 citations62
US10180625B2Jan 15, 2019
Resist composition, method of forming resist pattern, compound, and acid diffusion control agent
TOKYO OHKA KOGYO CO LTD1 citations62
US11036132B2Jun 15, 2021
Resist composition, method of forming resist pattern, compound, and acid diffusion control agent
TOKYO OHKA KOGYO CO LTD1 citations60
US11644751B2May 9, 2023
Resist composition and method of forming resist pattern
TOKYO OHKA KOGYO CO LTD0 citations51
US11635687B2Apr 25, 2023
Resist composition and method of forming resist pattern
TOKYO OHKA KOGYO CO LTD0 citations51
US11036131B2Jun 15, 2021
Resist composition, method of forming resist pattern, and compound
TOKYO OHKA KOGYO CO LTD0 citations51
US9678423B2Jun 13, 2017
Resist composition, method for forming resist pattern, acid generator and compound
TOKYO OHKA KOGYO CO LTD0 citations51
US11067888B2Jul 20, 2021
Resist composition and method of forming resist pattern
TOKYO OHKA KOGYO CO LTD0 citations47
US10514600B2Dec 24, 2019
Resist composition, method of forming resist pattern, compound, and acid diffusion control agent
TOKYO OHKA KOGYO CO LTD0 citations45
US10866514B2Dec 15, 2020
Resist composition and method of forming resist pattern
TOKYO OHKA KOGYO CO LTD0 citations42
US9411227B2Aug 9, 2016
Resist composition, method of forming resist pattern, compound, and polymeric compound
TOKYO OHKA KOGYO CO LTD0 citations42
US9557647B2Jan 31, 2017
Resist composition and method of forming resist pattern
TOKYO OHKA KOGYO CO LTD0 citations41
US9682951B2Jun 20, 2017
Resist composition, method of forming resist pattern, acid generator, photoreactive quencher, and compound
TOKYO OHKA KOGYO CO LTD0 citations38
US9671690B2Jun 6, 2017
Resist composition, method for forming resist pattern, photo-reactive quencher and compound
TOKYO OHKA KOGYO CO LTD0 citations38
NIPPON KOKAN KK
5 patentsUS4341938AJul 27, 1982
Method and apparatus for seam-welding steel pipes
NIPPON KOKAN KK16 citations71
US4107503AAug 15, 1978
Method for eliminating residual magnetism in pipe-blank for welded steel pipe longitudinally seam-welded from inside
NIPPON KOKAN KK10 citations71
US5327762AJul 12, 1994
Rolling roller and rolling mill
NIPPON KOKAN KK13 citations68
US4238659ADec 9, 1980
Preventing magnetization of pipe blank in GMA welding
NIPPON KOKAN KK4 citations60
US4110589AAug 29, 1978
Method for longitudinally seam-welding pipe-blank for welded steel pipe from the inside along a groove
NIPPON KOKAN KK2 citations60