Inventor

TSUKAMOTO SEIICHI

JP2 patents

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

KAWAHARA HARUYUKI

1 patent

US4957819ASep 18, 1990

Frameless and coreless porous endosseous implant

KAWAHARA HARUYUKI82 citations94

MITSUBISHI CHEM CORP

1 patent

US5488022AJan 30, 1996

Catalyst component for olefin polymerization

MITSUBISHI CHEM CORP19 citations91