P

Inventor

YAMAMOTO KEIKO

US10 patents
⚠️ This page may combine multiple inventors who share the name “YAMAMOTO KEIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

(unassigned)

3 patents

MENICON CO LTD

2 patents

SANKYO CO

1 patent

SUNSTAR INC

1 patent

SUMITOMO CHEMICAL CO

1 patent

NAGATA SHINYA

1 patent

TANIKAWA TETSUYA

1 patent