Inventor

TSUTSUI SHOICHI

JP3 patents

⚠️ This page may combine multiple inventors who share the name “TSUTSUI SHOICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SHIRAISHI KOGYO KAISHA LTD

2 patents

US7776232B2Aug 17, 2010

Powdery white vulcanization promoter composition and rubber compositions

SHIRAISHI KOGYO KAISHA LTD0 citations47

US7923499B2Apr 12, 2011

Calcium carbonate treated with curing active ingredient

SHIRAISHI KOGYO KAISHA LTD0 citations46

KORENAGA TAKASHI

1 patent

US8153717B2Apr 10, 2012

Rubber composition

KORENAGA TAKASHI0 citations40